path: root/MANIFEST

Artistic		The "Artistic License"
Changes			Differences from previous version
Changes5.000		Differences between 4.x and 5.000
Changes5.001		Differences between 5.000 and 5.001
Changes5.002		Differences between 5.001 and 5.002
Changes5.003		Differences between 5.002 and 5.003
configure.gnu		Crude emulation of GNU configure
Configure		Portability tool
Copying			The GNU General Public License
EXTERN.h		Included before foreign .h files
INSTALL			Detailed installation instructions
INTERN.h		Included before domestic .h files
MANIFEST		This list of files
Makefile.SH		A script that generates Makefile
Porting/Glossary	Glossary of config.sh variables
Porting/makerel		Release making utility
Porting/patchls		Flexible patch file listing utility
Porting/pumpkin.pod	Guidelines and hints for Perl maintainers
README			The Instructions
README.amiga		Notes about AmigaOS port
README.cygwin32		Notes about Cygwin32 port
README.dos		Notes about dos/djgpp port
README.os2		Notes about OS/2 port
README.plan9		Notes about Plan9 port
README.qnx		Notes about QNX port
README.threads		Notes about multithreading
README.vms		Notes about VMS port
README.win32		Notes about Win32 port
Todo			The Wishlist
Todo.5.005		What needs doing before 5.005 release
XSUB.h			Include file for extension subroutines
av.c			Array value code
av.h			Array value header
cflags.SH		A script that emits C compilation flags per file
compat3.sym		List of symbols for binary-compatibility with 5.003
config_H		Sample config.h
config_h.SH		Produces config.h
configpm		Produces lib/Config.pm
cop.h			Control operator header
cv.h			Code value header
cygwin32/cw32imp.h	Cygwin32 port
cygwin32/gcc2		Cygwin32 port
cygwin32/ld2		Cygwin32 port
cygwin32/perlgcc	Cygwin32 port
cygwin32/perlld		Cygwin32 port
deb.c			Debugging routines
djgpp/config.over       DOS/DJGPP port
djgpp/configure.bat     DOS/DJGPP port
djgpp/djgpp.c		DOS/DJGPP port
djgpp/djgppsed.sh	DOS/DJGPP port
djgpp/fixpmain		DOS/DJGPP port
doio.c			I/O operations
doop.c			Support code for various operations
dosish.h		Some defines for MS/DOSish machines
dump.c			Debugging output
eg/ADB			An adb wrapper to put in your crash dir
eg/README		Intro to example perl scripts
eg/cgi/RunMeFirst		Setup script for CGI examples
eg/cgi/clickable_image.cgi	CGI example
eg/cgi/cookie.cgi		CGI example
eg/cgi/crash.cgi		CGI example
eg/cgi/customize.cgi		CGI example
eg/cgi/diff_upload.cgi		CGI example
eg/cgi/file_upload.cgi		CGI example
eg/cgi/frameset.cgi		CGI example
eg/cgi/index.html		Index page for CGI examples
eg/cgi/internal_links.cgi	CGI example
eg/cgi/javascript.cgi		CGI example
eg/cgi/monty.cgi		CGI example
eg/cgi/multiple_forms.cgi	CGI example
eg/cgi/nph-clock.cgi		CGI example
eg/cgi/popup.cgi		CGI example
eg/cgi/save_state.cgi		CGI example
eg/cgi/tryit.cgi		CGI example
eg/cgi/wilogo.gif.uu		Small image for CGI examples
eg/changes		A program to list recently changed files
eg/client		A sample client
eg/down			A program to do things to subdirectories
eg/dus			A program to do du -s on non-mounted dirs
eg/findcp		A find wrapper that implements a -cp switch
eg/findtar		A find wrapper that pumps out a tar file
eg/g/gcp		A program to do a global rcp
eg/g/gcp.man		Manual page for gcp
eg/g/ged		A program to do a global edit
eg/g/ghosts		A sample /etc/ghosts file
eg/g/gsh		A program to do a global rsh
eg/g/gsh.man		Manual page for gsh
eg/muck			A program to find missing make dependencies
eg/muck.man		Manual page for muck
eg/myrup		A program to find lightly loaded machines
eg/nih			Script to insert #! workaround
eg/relink		A program to change symbolic links
eg/rename		A program to rename files
eg/rmfrom		A program to feed doomed filenames to
eg/scan/scan_df		Scan for filesystem anomalies
eg/scan/scan_last	Scan for login anomalies
eg/scan/scan_messages	Scan for console message anomalies
eg/scan/scan_passwd	Scan for passwd file anomalies
eg/scan/scan_ps		Scan for process anomalies
eg/scan/scan_sudo	Scan for sudo anomalies
eg/scan/scan_suid	Scan for setuid anomalies
eg/scan/scanner		An anomaly reporter
eg/server		A sample server
eg/shmkill		A program to remove unused shared memory
eg/sysvipc/README	Intro to Sys V IPC examples
eg/sysvipc/ipcmsg	Example of SYS V IPC message queues
eg/sysvipc/ipcsem	Example of Sys V IPC semaphores
eg/sysvipc/ipcshm	Example of Sys V IPC shared memory
eg/travesty		A program to print travesties of its input text
eg/unuc			Un-uppercases an all-uppercase text
eg/uudecode		A version of uudecode
eg/van/empty		A program to empty the trashcan
eg/van/unvanish		A program to undo what vanish does
eg/van/vanexp		A program to expire vanished files
eg/van/vanish		A program to put files in a trashcan
eg/who			A sample who program
eg/wrapsuid		A setuid script wrapper generator
emacs/cperl-mode.el	An alternate perl-mode
emacs/ptags		Creates smart TAGS file
embed.h			Maps symbols to safer names
embed.pl		Produces embed.h
embedvar.h		C namespace management
ext/DB_File/DB_File.pm		Berkeley DB extension Perl module
ext/DB_File/DB_File.xs		Berkeley DB extension external subroutines
ext/DB_File/DB_File_BS		Berkeley DB extension mkbootstrap fodder
ext/DB_File/Makefile.PL		Berkeley DB extension makefile writer
ext/DB_File/typemap		Berkeley DB extension interface types
ext/DynaLoader/DynaLoader.pm	Dynamic Loader perl module
ext/DynaLoader/Makefile.PL	Dynamic Loader makefile writer
ext/DynaLoader/README		Dynamic Loader notes and intro
ext/DynaLoader/dl_aix.xs	AIX implementation
ext/DynaLoader/dl_cygwin32.xs	Cygwin32 implementation
ext/DynaLoader/dl_dld.xs	GNU dld style implementation
ext/DynaLoader/dl_dlopen.xs	BSD/SunOS4&5 dlopen() style implementation
ext/DynaLoader/dl_hpux.xs	HP-UX implementation
ext/DynaLoader/dl_next.xs	Next implementation
ext/DynaLoader/dl_none.xs	Stub implementation
ext/DynaLoader/dl_vms.xs	VMS implementation
ext/DynaLoader/dlutils.c	Dynamic loader utilities for dl_*.xs files
ext/Fcntl/Fcntl.pm		Fcntl extension Perl module
ext/Fcntl/Fcntl.xs		Fcntl extension external subroutines
ext/Fcntl/Makefile.PL		Fcntl extension makefile writer
ext/GDBM_File/GDBM_File.pm	GDBM extension Perl module
ext/GDBM_File/GDBM_File.xs	GDBM extension external subroutines
ext/GDBM_File/Makefile.PL	GDBM extension makefile writer
ext/GDBM_File/typemap		GDBM extension interface types
ext/IO/IO.pm			Top-level interface to IO::* classes
ext/IO/IO.xs			IO extension external subroutines
ext/IO/Makefile.PL		IO extension makefile writer
ext/IO/README			IO extension maintenance notice
ext/IO/lib/IO/File.pm		IO::File extension Perl module
ext/IO/lib/IO/Handle.pm		IO::Handle extension Perl module
ext/IO/lib/IO/Pipe.pm		IO::Pipe extension Perl module
ext/IO/lib/IO/Seekable.pm	IO::Seekable extension Perl module
ext/IO/lib/IO/Select.pm		IO::Select extension Perl module
ext/IO/lib/IO/Socket.pm		IO::Socket extension Perl module
ext/NDBM_File/Makefile.PL	NDBM extension makefile writer
ext/NDBM_File/NDBM_File.pm	NDBM extension Perl module
ext/NDBM_File/NDBM_File.xs	NDBM extension external subroutines
ext/NDBM_File/hints/dec_osf.pl	Hint for NDBM_File for named architecture
ext/NDBM_File/hints/dynixptx.pl	Hint for NDBM_File for named architecture
ext/NDBM_File/hints/solaris.pl	Hint for NDBM_File for named architecture
ext/NDBM_File/hints/svr4.pl	Hint for NDBM_File for named architecture
ext/NDBM_File/typemap		NDBM extension interface types
ext/ODBM_File/Makefile.PL	ODBM extension makefile writer
ext/ODBM_File/ODBM_File.pm	ODBM extension Perl module
ext/ODBM_File/ODBM_File.xs	ODBM extension external subroutines
ext/ODBM_File/hints/dec_osf.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/hints/hpux.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/hints/sco.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/hints/solaris.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/hints/svr4.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/hints/ultrix.pl	Hint for ODBM_File for named architecture
ext/ODBM_File/typemap		ODBM extension interface types
ext/Opcode/Makefile.PL		Opcode extension makefile writer
ext/Opcode/Opcode.pm		Opcode extension Perl module
ext/Opcode/Opcode.xs		Opcode extension external subroutines
ext/Opcode/Safe.pm		Safe extension Perl module
ext/Opcode/ops.pm		"Pragma" form of Opcode extension Perl module
ext/POSIX/Makefile.PL		POSIX extension makefile writer
ext/POSIX/POSIX.pm		POSIX extension Perl module
ext/POSIX/POSIX.pod		POSIX extension documentation
ext/POSIX/POSIX.xs		POSIX extension external subroutines
ext/POSIX/hints/next_3.pl	Hint for POSIX for named architecture
ext/POSIX/typemap		POSIX extension interface types
ext/SDBM_File/Makefile.PL	SDBM extension makefile writer
ext/SDBM_File/SDBM_File.pm	SDBM extension Perl module
ext/SDBM_File/SDBM_File.xs	SDBM extension external subroutines
ext/SDBM_File/sdbm/CHANGES		SDBM kit
ext/SDBM_File/sdbm/COMPARE		SDBM kit
ext/SDBM_File/sdbm/Makefile.PL		SDBM kit
ext/SDBM_File/sdbm/README		SDBM kit
ext/SDBM_File/sdbm/README.too		SDBM kit
ext/SDBM_File/sdbm/biblio		SDBM kit
ext/SDBM_File/sdbm/dba.c		SDBM kit
ext/SDBM_File/sdbm/dbd.c		SDBM kit
ext/SDBM_File/sdbm/dbe.1		SDBM kit
ext/SDBM_File/sdbm/dbe.c		SDBM kit
ext/SDBM_File/sdbm/dbm.c		SDBM kit
ext/SDBM_File/sdbm/dbm.h		SDBM kit
ext/SDBM_File/sdbm/dbu.c		SDBM kit
ext/SDBM_File/sdbm/grind		SDBM kit
ext/SDBM_File/sdbm/hash.c		SDBM kit
ext/SDBM_File/sdbm/linux.patches	SDBM kit
ext/SDBM_File/sdbm/makefile.sdbm	SDBM kit
ext/SDBM_File/sdbm/pair.c		SDBM kit
ext/SDBM_File/sdbm/pair.h		SDBM kit
ext/SDBM_File/sdbm/readme.ms		SDBM kit
ext/SDBM_File/sdbm/sdbm.3		SDBM kit
ext/SDBM_File/sdbm/sdbm.c		SDBM kit
ext/SDBM_File/sdbm/sdbm.h		SDBM kit
ext/SDBM_File/sdbm/tune.h		SDBM kit
ext/SDBM_File/sdbm/util.c		SDBM kit
ext/SDBM_File/typemap		SDBM extension interface types
ext/Socket/Makefile.PL	Socket extension makefile writer
ext/Socket/Socket.pm	Socket extension Perl module
ext/Socket/Socket.xs	Socket extension external subroutines
ext/Thread/Makefile.PL	Thread extension makefile writer
ext/Thread/Notes	Thread notes
ext/Thread/README	Thread README
ext/Thread/Thread/Queue.pm	Thread synchronised queue objects
ext/Thread/Thread/Semaphore.pm	Thread semaphore objects
ext/Thread/Thread/Specific.pm	Thread specific data access
ext/Thread/Thread.pm	Thread extension Perl module
ext/Thread/Thread.xs	Thread extension external subroutines
ext/Thread/create.t	Test thread creation
ext/Thread/die.t	Test thread die()
ext/Thread/die2.t	Test thread die() differently
ext/Thread/io.t		Test threads doing simple I/O
ext/Thread/join.t	Test thread joining
ext/Thread/join2.t	Test thread joining differently
ext/Thread/list.t	Test getting list of all threads
ext/Thread/lock.t	Test lock primitive
ext/Thread/queue.t	Test Thread::Queue module
ext/Thread/specific.t	Test thread-specific user data
ext/Thread/sync.t	Test thread synchronisation
ext/Thread/sync2.t	Test thread synchronisation
ext/Thread/typemap	Thread extension interface types
ext/Thread/unsync.t	Test thread implicit synchronisation
ext/Thread/unsync2.t	Test thread implicit synchronisation
ext/Thread/unsync3.t	Test thread implicit synchronisation
ext/Thread/unsync4.t	Test thread implicit synchronisation
ext/attrs/Makefile.PL	attrs extension makefile writer
ext/attrs/attrs.pm	attrs extension Perl module
ext/attrs/attrs.xs	attrs extension external subroutines
ext/util/make_ext	Used by Makefile to execute extension Makefiles
ext/util/mkbootstrap	Turns ext/*/*_BS into bootstrap info
fakethr.h		Fake threads header
form.h			Public declarations for the above
global.sym		Symbols that need hiding when embedded
globals.c		File to declare global symbols (for shared library)
gv.c			Glob value code
gv.h			Glob value header
h2pl/README		How to turn .ph files into .pl files
h2pl/cbreak.pl		cbreak routines using .ph
h2pl/cbreak2.pl		cbreak routines using .pl
h2pl/eg/sizeof.ph	Sample sizeof array initialization
h2pl/eg/sys/errno.pl	Sample translated errno.pl
h2pl/eg/sys/ioctl.pl	Sample translated ioctl.pl
h2pl/eg/sysexits.pl	Sample translated sysexits.pl
h2pl/getioctlsizes	Program to extract types from ioctl.h
h2pl/mksizes		Program to make %sizeof array
h2pl/mkvars		Program to make .pl from .ph files
h2pl/tcbreak		cbreak test routine using .ph
h2pl/tcbreak2		cbreak test routine using .pl
handy.h			Handy definitions
hints/3b1.sh		Hints for named architecture
hints/3b1cc		Hints for named architecture
hints/README.hints	Notes about hints
hints/aix.sh		Hints for named architecture
hints/altos486.sh	Hints for named architecture
hints/amigaos.sh	Hints for named architecture
hints/apollo.sh		Hints for named architecture
hints/aux_3.sh		Hints for named architecture
hints/broken-db.msg	Warning message for systems with broken DB library
hints/bsdos.sh		Hints for named architecture
hints/convexos.sh	Hints for named architecture
hints/cxux.sh		Hints for named architecture
hints/cygwin32.sh	Hints for named architecture
hints/dcosx.sh		Hints for named architecture
hints/dec_osf.sh	Hints for named architecture
hints/dgux.sh		Hints for named architecture
hints/dos_djgpp.sh	Hints for named architecture
hints/dynix.sh		Hints for named architecture
hints/dynixptx.sh	Hints for named architecture
hints/epix.sh		Hints for named architecture
hints/esix4.sh		Hints for named architecture
hints/fps.sh		Hints for named architecture
hints/freebsd.sh	Hints for named architecture
hints/genix.sh		Hints for named architecture
hints/greenhills.sh	Hints for named architecture
hints/hpux.sh		Hints for named architecture
hints/i386.sh		Hints for named architecture
hints/irix_4.sh		Hints for named architecture
hints/irix_5.sh		Hints for named architecture
hints/irix_6.sh		Hints for named architecture
hints/irix_6_0.sh	Hints for named architecture
hints/irix_6_1.sh	Hints for named architecture
hints/isc.sh		Hints for named architecture
hints/isc_2.sh		Hints for named architecture
hints/linux.sh		Hints for named architecture
hints/lynxos.sh		Hints for named architecture
hints/machten.sh	Hints for named architecture
hints/machten_2.sh	Hints for named architecture
hints/mips.sh		Hints for named architecture
hints/mpc.sh		Hints for named architecture
hints/mpeix.sh		Hints for named architecture
hints/ncr_tower.sh	Hints for named architecture
hints/netbsd.sh		Hints for named architecture
hints/newsos4.sh	Hints for named architecture
hints/next_3.sh		Hints for named architecture
hints/next_3_0.sh	Hints for named architecture
hints/next_4.sh		Hints for named architecture
hints/opus.sh		Hints for named architecture
hints/os2.sh		Hints for named architecture
hints/os390.sh		Hints for named architecture
hints/powerux.sh	Hints for named architecture
hints/qnx.sh		Hints for named architecture
hints/sco.sh		Hints for named architecture
hints/sco_2_3_0.sh	Hints for named architecture
hints/sco_2_3_1.sh	Hints for named architecture
hints/sco_2_3_2.sh	Hints for named architecture
hints/sco_2_3_3.sh	Hints for named architecture
hints/sco_2_3_4.sh	Hints for named architecture
hints/solaris_2.sh	Hints for named architecture
hints/stellar.sh	Hints for named architecture
hints/sunos_4_0.sh	Hints for named architecture
hints/sunos_4_1.sh	Hints for named architecture
hints/svr4.sh		Hints for named architecture
hints/ti1500.sh		Hints for named architecture
hints/titanos.sh	Hints for named architecture
hints/ultrix_4.sh	Hints for named architecture
hints/umips.sh		Hints for named architecture
hints/unicos.sh		Hints for named architecture
hints/unicosmk.sh	Hints for named architecture
hints/unisysdynix.sh	Hints for named architecture
hints/utekv.sh		Hints for named architecture
hints/uts.sh		Hints for named architecture
hv.c			Hash value code
hv.h			Hash value header
installhtml		Perl script to install html files for pods
installman		Perl script to install man pages for pods
installperl		Perl script to do "make install" dirty work
interp.sym		Interpreter specific symbols to hide in a struct
intrpvar.h		Variables held in each interpreter instance
keywords.h		The keyword numbers
keywords.pl		Program to write keywords.h
lib/AnyDBM_File.pm	Perl module to emulate dbmopen
lib/AutoLoader.pm	Autoloader base class
lib/AutoSplit.pm	Split up autoload functions
lib/Benchmark.pm	Measure execution time
lib/Bundle/CPAN.pm	The CPAN bundle
lib/CGI.pm		Web server interface ("Common Gateway Interface")
lib/CGI/Apache.pm	Support for Apache's Perl module
lib/CGI/Carp.pm		Log server errors with helpful context
lib/CGI/Fast.pm		Support for FastCGI (persistent server process)
lib/CGI/Push.pm		Support for server push
lib/CGI/Switch.pm	Simple interface for multiple server types
lib/CPAN.pm		Interface to Comprehensive Perl Archive Network
lib/CPAN/FirstTime.pm	Utility for creating CPAN config files
lib/CPAN/Nox.pm		Runs CPAN while avoiding compiled extensions
lib/Carp.pm		Error message base class
lib/Class/Struct.pm	Declare struct-like datatypes as Perl classes
lib/Cwd.pm		Various cwd routines (getcwd, fastcwd, chdir)
lib/Devel/SelfStubber.pm Generate stubs for SelfLoader.pm
lib/DirHandle.pm	like FileHandle only for directories
lib/English.pm		Readable aliases for short variables
lib/Env.pm		Map environment into ordinary variables
lib/Exporter.pm		Exporter base class
lib/ExtUtils/Command.pm	Utilities for Make on non-UNIX platforms
lib/ExtUtils/Embed.pm	Utilities for embedding Perl in C programs
lib/ExtUtils/Install.pm	Handles 'make install' on extensions
lib/ExtUtils/Liblist.pm	Locates libraries
lib/ExtUtils/MM_OS2.pm		MakeMaker methods for OS/2
lib/ExtUtils/MM_Unix.pm		MakeMaker base class for Unix
lib/ExtUtils/MM_VMS.pm		MakeMaker methods for VMS
lib/ExtUtils/MM_Win32.pm	MakeMaker methods for Win32
lib/ExtUtils/MakeMaker.pm	Write Makefiles for extensions
lib/ExtUtils/Manifest.pm	Utilities to write MANIFEST files
lib/ExtUtils/Mkbootstrap.pm	Writes a bootstrap file (see MakeMaker)
lib/ExtUtils/Mksymlists.pm	Writes a linker options file for extensions
lib/ExtUtils/testlib.pm		Fixes up @INC to use just-built extension
lib/ExtUtils/typemap		Extension interface types
lib/ExtUtils/xsubpp		External subroutine preprocessor
lib/File/Basename.pm	Emulate the basename program
lib/File/CheckTree.pm	Perl module supporting wholesale file mode validation
lib/File/Compare.pm	Emulation of cmp command
lib/File/Copy.pm	Emulation of cp command
lib/File/DosGlob.pm	Win32 DOS-globbing module
lib/File/Find.pm	Routines to do a find
lib/File/Path.pm	Do things like `mkdir -p' and `rm -r'
lib/File/stat.pm	By-name interface to Perl's builtin stat
lib/FileCache.pm	Keep more files open than the system permits
lib/FileHandle.pm	Backward-compatible front end to IO extension
lib/FindBin.pm		Find name of currently executing program
lib/Getopt/Long.pm	Fetch command options (GetOptions)
lib/Getopt/Std.pm	Fetch command options (getopt, getopts)
lib/I18N/Collate.pm	Routines to do strxfrm-based collation
lib/IPC/Open2.pm	Open a two-ended pipe
lib/IPC/Open3.pm	Open a three-ended pipe!
lib/Math/BigFloat.pm	An arbitrary precision floating-point arithmetic package
lib/Math/BigInt.pm	An arbitrary precision integer arithmetic package
lib/Math/Complex.pm	A Complex package
lib/Math/Trig.pm	A simple interface to complex trigonometry
lib/Net/Ping.pm		Hello, anybody home?
lib/Net/hostent.pm	By-name interface to Perl's builtin gethost*
lib/Net/netent.pm	By-name interface to Perl's builtin getnet*
lib/Net/protoent.pm	By-name interface to Perl's builtin getproto*
lib/Net/servent.pm	By-name interface to Perl's builtin getserv*
lib/Pod/Functions.pm	used by pod/splitpod
lib/Pod/Html.pm		Convert POD data to HTML
lib/Pod/Text.pm		Convert POD data to formatted ASCII text
lib/Search/Dict.pm	Perform binary search on dictionaries
lib/SelectSaver.pm	Enforce proper select scoping
lib/SelfLoader.pm	Load functions only on demand
lib/Shell.pm		Make AUTOLOADed system() calls
lib/Symbol.pm		Symbol table manipulation routines
lib/Sys/Hostname.pm	Hostname methods
lib/Sys/Syslog.pm	Perl module supporting syslogging
lib/Term/Cap.pm		Perl module supporting termcap usage
lib/Term/Complete.pm	A command completion subroutine
lib/Term/ReadLine.pm	Stub readline library
lib/Test/Harness.pm	A test harness
lib/Text/Abbrev.pm	An abbreviation table builder
lib/Text/ParseWords.pm	Perl module to split words on arbitrary delimiter
lib/Text/Soundex.pm	Perl module to implement Soundex
lib/Text/Tabs.pm	Do expand and unexpand
lib/Text/Wrap.pm	Paragraph formatter
lib/Tie/Hash.pm		Base class for tied hashes
lib/Tie/RefHash.pm	Base class for tied hashes with references as keys
lib/Tie/Scalar.pm	Base class for tied scalars
lib/Tie/SubstrHash.pm	Compact hash for known key, value and table size
lib/Time/Local.pm	Reverse translation of localtime, gmtime
lib/Time/gmtime.pm	By-name interface to Perl's builtin gmtime
lib/Time/localtime.pm	By-name interface to Perl's builtin localtime
lib/Time/tm.pm		Internal object for Time::{gm,local}time
lib/UNIVERSAL.pm	Base class for ALL classes
lib/User/grent.pm	By-name interface to Perl's builtin getgr*
lib/User/pwent.pm	By-name interface to Perl's builtin getpw*
lib/abbrev.pl		An abbreviation table builder
lib/assert.pl		assertion and panic with stack trace
lib/autouse.pm		Load and call a function only when it's used
lib/base.pm		Establish IS-A relationship at compile time
lib/bigfloat.pl		An arbitrary precision floating point package
lib/bigint.pl		An arbitrary precision integer arithmetic package
lib/bigrat.pl		An arbitrary precision rational arithmetic package
lib/blib.pm		For "use blib"
lib/cacheout.pl		Manages output filehandles when you need too many
lib/chat2.pl            Obsolete ipc library (use Comm.pm etc instead)
lib/complete.pl		A command completion subroutine
lib/constant.pm		For "use constant"
lib/ctime.pl		A ctime workalike
lib/diagnostics.pm	Print verbose diagnostics
lib/dotsh.pl		Code to "dot" in a shell script
lib/dumpvar.pl		A variable dumper
lib/exceptions.pl	catch and throw routines
lib/fastcwd.pl		a faster but more dangerous getcwd
lib/fields.pm		Set up object field names for pseudo-hash-using classes
lib/find.pl		A find emulator--used by find2perl
lib/finddepth.pl	A depth-first find emulator--used by find2perl
lib/flush.pl		Routines to do single flush
lib/ftp.pl		FTP code (obsolete, use Net::FTP instead)
lib/getcwd.pl		A getcwd() emulator
lib/getopt.pl		Perl library supporting option parsing
lib/getopts.pl		Perl library supporting option parsing
lib/hostname.pl		Old hostname code
lib/importenv.pl	Perl routine to get environment into variables
lib/integer.pm		For "use integer"
lib/less.pm		For "use less"
lib/lib.pm		For "use lib"
lib/locale.pm		For "use locale"
lib/look.pl		A "look" equivalent
lib/newgetopt.pl	A perl library supporting long option parsing
lib/open2.pl		Open a two-ended pipe (uses IPC::Open2)
lib/open3.pl		Open a three-ended pipe (uses IPC::Open3)
lib/overload.pm		Module for overloading perl operators
lib/perl5db.pl		Perl debugging routines
lib/pwd.pl		Routines to keep track of PWD environment variable
lib/shellwords.pl	Perl library to split into words with shell quoting
lib/sigtrap.pm		For trapping an abort and giving traceback
lib/stat.pl		Perl library supporting stat function
lib/strict.pm		For "use strict"
lib/subs.pm		Declare overriding subs
lib/syslog.pl		Perl library supporting syslogging
lib/tainted.pl		Old code for tainting
lib/termcap.pl		Perl library supporting termcap usage
lib/timelocal.pl	Perl library supporting inverse of localtime, gmtime
lib/validate.pl		Perl library supporting wholesale file mode validation
lib/vars.pm		Declare pseudo-imported global variables
makeaperl.SH		perl script that produces a new perl binary
makedepend.SH		Precursor to makedepend
makedir.SH		Precursor to makedir
malloc.c		A version of malloc you might not want
mg.c			Magic code
mg.h			Magic header
minimod.pl		Writes lib/ExtUtils/Miniperl.pm
miniperlmain.c		Basic perl w/o dynamic loading or extensions
mv-if-diff		Script to mv a file if it changed
myconfig		Prints summary of the current configuration
nostdio.h		Cause compile error on stdio calls
op.c			Opcode syntax tree code
op.h			Opcode syntax tree header
opcode.h		Automatically generated opcode header
opcode.pl		Opcode header generatore
os2/Changes		Changelog for OS/2 port
os2/Makefile.SHs	Shared library generation for OS/2
os2/OS2/ExtAttr/Changes		EA access module
os2/OS2/ExtAttr/ExtAttr.pm	EA access module
os2/OS2/ExtAttr/ExtAttr.xs	EA access module
os2/OS2/ExtAttr/MANIFEST	EA access module
os2/OS2/ExtAttr/Makefile.PL	EA access module
os2/OS2/ExtAttr/myea.h		EA access module
os2/OS2/ExtAttr/t/os2_ea.t	EA access module
os2/OS2/ExtAttr/typemap		EA access module
os2/OS2/PrfDB/Changes		System database access module
os2/OS2/PrfDB/MANIFEST		System database access module
os2/OS2/PrfDB/Makefile.PL	System database access module
os2/OS2/PrfDB/PrfDB.pm		System database access module
os2/OS2/PrfDB/PrfDB.xs		System database access module
os2/OS2/PrfDB/t/os2_prfdb.t	System database access module
os2/OS2/PrfDB/typemap		System database access module
os2/OS2/Process/MANIFEST	system() constants in a module
os2/OS2/Process/Makefile.PL	system() constants in a module
os2/OS2/Process/Process.pm	system() constants in a module
os2/OS2/Process/Process.xs	system() constants in a module
os2/OS2/REXX/Changes		DLL access module
os2/OS2/REXX/MANIFEST		DLL access module
os2/OS2/REXX/Makefile.PL	DLL access module
os2/OS2/REXX/REXX.pm		DLL access module
os2/OS2/REXX/REXX.xs		DLL access module
os2/OS2/REXX/t/rx_cmprt.t	DLL access module
os2/OS2/REXX/t/rx_dllld.t	DLL access module
os2/OS2/REXX/t/rx_objcall.t	DLL access module
os2/OS2/REXX/t/rx_sql.test	DLL access module
os2/OS2/REXX/t/rx_tiesql.test	DLL access module
os2/OS2/REXX/t/rx_tievar.t	DLL access module
os2/OS2/REXX/t/rx_tieydb.t	DLL access module
os2/OS2/REXX/t/rx_varset.t	DLL access module
os2/OS2/REXX/t/rx_vrexx.t	DLL access module
os2/POSIX.mkfifo	POSIX.xs patch
os2/diff.configure	Patches to Configure
os2/dl_os2.c		Addon for dl_open
os2/dlfcn.h		Addon for dl_open
os2/os2.c		Additional code for OS/2
os2/os2ish.h		Header for OS/2
os2/perl2cmd.pl		Corrects installed binaries under OS/2
os2/os2thread.h		pthread-like typedefs
os2/os2.sym		Additional symbols to export
patchlevel.h		The current patch level of perl
perl.c			main()
perl.h			Global declarations
perl_exp.SH		Creates list of exported symbols for AIX
perlio.c		C code for PerlIO abstraction
perlio.h		Interface to PerlIO abstraction
perlio.sym		Symbols for PerlIO abstraction
perlsdio.h		Fake stdio using perlio
perlsfio.h		Prototype sfio mapping for PerlIO
perlsh			A poor man's perl shell
perlvars.h		Global variables
perly.c			A byacc'ed perly.y
perly.c.diff		Fixup perly.c to allow recursion
perly.fixer		A program to remove yacc stack limitations
perly.h			The header file for perly.c
perly.y			Yacc grammar for perl
plan9/aperl		Shell to make Perl error messages Acme-friendly
plan9/arpa/inet.h	Plan9 port: replacement C header file
plan9/buildinfo		Plan9 port: configuration information
plan9/config.plan9	Plan9 port: config.h template
plan9/exclude		Plan9 port: tests to skip
plan9/fndvers		Plan9 port: update Perl version in config.plan9
plan9/genconfig.pl	Plan9 port: generate config.sh
plan9/mkfile		Plan9 port: Mk driver for build
plan9/myconfig.plan9	Plan9 port: script to print config summary
plan9/perlplan9.doc	Plan9 port: Plan9-specific formatted documentation
plan9/perlplan9.pod	Plan9 port: Plan9-specific pod documentation
plan9/plan9.c		Plan9 port: Plan9-specific C routines
plan9/plan9ish.h	Plan9 port: Plan9-specific C header file
plan9/setup.rc		Plan9 port: script for easy build+install
plan9/versnum		Plan9 port: script to print version number
pod/Makefile		Make pods into something else
pod/buildtoc		generate perltoc.pod
pod/checkpods.PL	Tool to check for common errors in pods
pod/perl.pod		Top level perl man page
pod/perlapio.pod	IO API info
pod/perlbook.pod	Book info
pod/perlbot.pod		Object-oriented Bag o' Tricks
pod/perlcall.pod	Callback info
pod/perldata.pod	Data structure info
pod/perldebug.pod	Debugger info
pod/perldelta.pod	Changes since last version
pod/perldiag.pod	Diagnostic info
pod/perldsc.pod		Data Structures Cookbook
pod/perlembed.pod	Embedding info
pod/perlfaq.pod		Frequently Asked Questions, Top Level
pod/perlfaq1.pod	Frequently Asked Questions, Part 1
pod/perlfaq2.pod	Frequently Asked Questions, Part 2
pod/perlfaq3.pod	Frequently Asked Questions, Part 3
pod/perlfaq4.pod	Frequently Asked Questions, Part 4
pod/perlfaq5.pod	Frequently Asked Questions, Part 5
pod/perlfaq6.pod	Frequently Asked Questions, Part 6
pod/perlfaq7.pod	Frequently Asked Questions, Part 7
pod/perlfaq8.pod	Frequently Asked Questions, Part 8
pod/perlfaq9.pod	Frequently Asked Questions, Part 9
pod/perlform.pod	Format info
pod/perlfunc.pod	Function info
pod/perlguts.pod	Internals info
pod/perlipc.pod		IPC info
pod/perllocale.pod	Locale support info
pod/perllol.pod		How to use lists of lists
pod/perlmod.pod		Module mechanism info
pod/perlmodlib.pod	Module policy info
pod/perlobj.pod		Object info
pod/perlop.pod		Operator info
pod/perlpod.pod		Pod info
pod/perlre.pod		Regular expression info
pod/perlref.pod		References info
pod/perlrun.pod		Execution info
pod/perlsec.pod		Security info
pod/perlstyle.pod	Style info
pod/perlsub.pod		Subroutine info
pod/perlsyn.pod		Syntax info
pod/perltie.pod		Tieing an object class into a simple variable
pod/perltoc.pod		Table of Contents info
pod/perltoot.pod	Tom's object-oriented tutorial
pod/perltrap.pod	Trap info
pod/perlvar.pod		Variable info
pod/perlxs.pod		XS api info
pod/perlxstut.pod	XS tutorial
pod/pod2html.PL		Precursor for translator to turn pod into HTML
pod/pod2latex.PL	Precursor for translator to turn pod into LaTeX
pod/pod2man.PL		Precursor for translator to turn pod into manpage
pod/pod2text.PL		Precursor for translator to turn pod into text
pod/roffitall		troff the whole man page set
pod/rofftoc		Generate a table of contents in troff format
pod/splitman		Splits perlfunc into multiple man pages
pod/splitpod		Splits perlfunc into multiple pod pages
pp.c			Push/Pop code
pp.h			Push/Pop code defs
pp_ctl.c		Push/Pop code for control flow
pp_hot.c		Push/Pop code for heavily used opcodes
pp_sys.c		Push/Pop code for system interaction
proto.h			Prototypes
qnx/ar			QNX implementation of "ar" utility
qnx/cpp			QNX implementation of preprocessor filter
regcomp.c		Regular expression compiler
regcomp.h		Private declarations for above
regexec.c		Regular expression evaluator
regexp.h		Public declarations for the above
run.c			The interpreter loop
scope.c			Scope entry and exit code
scope.h			Scope entry and exit header
sv.c			Scalar value code
sv.h			Scalar value header
t/README		Instructions for regression tests
t/TEST			The regression tester
t/base/cond.t		See if conditionals work
t/base/if.t		See if if works
t/base/lex.t		See if lexical items work
t/base/pat.t		See if pattern matching works
t/base/term.t		See if various terms work
t/cmd/elsif.t		See if else-if works
t/cmd/for.t		See if for loops work
t/cmd/mod.t		See if statement modifiers work
t/cmd/subval.t		See if subroutine values work
t/cmd/switch.t		See if switch optimizations work
t/cmd/while.t		See if while loops work
t/comp/cmdopt.t		See if command optimization works
t/comp/colon.t		See if colons are parsed correctly
t/comp/cpp.aux		main file for cpp.t
t/comp/cpp.t		See if C preprocessor works
t/comp/decl.t		See if declarations work
t/comp/multiline.t	See if multiline strings work
t/comp/package.t	See if packages work
t/comp/proto.t		See if function prototypes work
t/comp/redef.t		See if we get correct warnings on redefined subs
t/comp/script.t		See if script invokation works
t/comp/term.t		See if more terms work
t/comp/use.t		See if pragmas work
t/harness		Finer diagnostics from test suite
t/io/argv.t		See if ARGV stuff works
t/io/dup.t		See if >& works right
t/io/fs.t		See if directory manipulations work
t/io/inplace.t		See if inplace editing works
t/io/pipe.t		See if secure pipes work
t/io/print.t		See if print commands work
t/io/read.t		See if read works
t/io/tell.t		See if file seeking works
t/lib/abbrev.t		See if Text::Abbrev works
t/lib/anydbm.t		See if AnyDBM_File works
t/lib/autoloader.t	See if AutoLoader works
t/lib/basename.t	See if File::Basename works
t/lib/bigint.t		See if bigint.pl works
t/lib/bigintpm.t	See if BigInt.pm works
t/lib/checktree.t	See if File::CheckTree works
t/lib/complex.t		See if Math::Complex works
t/lib/db-btree.t	See if DB_File works
t/lib/db-hash.t		See if DB_File works
t/lib/db-recno.t	See if DB_File works
t/lib/dirhand.t		See if DirHandle works
t/lib/dosglob.t		See if File::DosGlob works
t/lib/english.t		See if English works
t/lib/env.t		See if Env works
t/lib/filecache.t	See if FileCache works
t/lib/filecopy.t	See if File::Copy works
t/lib/filefind.t	See if File::Find works
t/lib/filehand.t	See if FileHandle works
t/lib/filepath.t	See if File::Path works
t/lib/findbin.t		See if FindBin works
t/lib/gdbm.t		See if GDBM_File works
t/lib/getopt.t		See if Getopt::Std and Getopt::Long works
t/lib/hostname.t	See if Sys::Hostname works
t/lib/io_dup.t		See if dup()-related methods from IO work
t/lib/io_pipe.t		See if pipe()-related methods from IO work
t/lib/io_sel.t		See if select()-related methods from IO work
t/lib/io_sock.t		See if INET socket-related methods from IO work
t/lib/io_taint.t	See if the untaint method from IO works
t/lib/io_tell.t		See if seek()/tell()-related methods from IO work
t/lib/io_udp.t		See if UDP socket-related methods from IO work
t/lib/io_xs.t		See if XSUB methods from IO work
t/lib/ndbm.t		See if NDBM_File works
t/lib/odbm.t		See if ODBM_File works
t/lib/opcode.t		See if Opcode works
t/lib/open2.t		See if IPC::Open2 works
t/lib/open3.t		See if IPC::Open3 works
t/lib/ops.t		See if Opcode works
t/lib/parsewords.t	See if Text::ParseWords works
t/lib/posix.t		See if POSIX works
t/lib/safe1.t		See if Safe works
t/lib/safe2.t		See if Safe works
t/lib/sdbm.t		See if SDBM_File works
t/lib/searchdict.t	See if Search::Dict works
t/lib/selectsaver.t	See if SelectSaver works
t/lib/socket.t		See if Socket works
t/lib/soundex.t		See if Soundex works
t/lib/symbol.t		See if Symbol works
t/lib/texttabs.t	See if Text::Tabs works
t/lib/textwrap.t	See if Text::Wrap works
t/lib/timelocal.t	See if Time::Local works
t/lib/thread.t		Basic test of threading (skipped if no threads) 
t/lib/trig.t		See if Math::Trig works
t/op/append.t		See if . works
t/op/arith.t		See if arithmetic works
t/op/array.t		See if array operations work
t/op/assignwarn.t	See if OP= operators warn correctly for undef targets
t/op/auto.t		See if autoincrement et all work
t/op/avhv.t		See if pseudo-hashes work
t/op/bop.t		See if bitops work
t/op/chop.t		See if chop works
t/op/closure.t		See if closures work
t/op/cmp.t		See if the various string and numeric compare work
t/op/cond.t		See if conditional expressions work
t/op/delete.t		See if delete works
t/op/do.t		See if subroutines work
t/op/each.t		See if hash iterators work
t/op/eval.t		See if eval operator works
t/op/exec.t		See if exec and system work
t/op/exp.t		See if math functions work
t/op/flip.t		See if range operator works
t/op/fork.t		See if fork works
t/op/glob.t		See if <*> works
t/op/goto.t		See if goto works
t/op/groups.t		See if $( works
t/op/gv.t		See if typeglobs work
t/op/inc.t		See if inc/dec of integers near 32 bit limit work
t/op/index.t		See if index works
t/op/int.t		See if int works
t/op/join.t		See if join works
t/op/list.t		See if array lists work
t/op/local.t		See if local works
t/op/magic.t		See if magic variables work
t/op/method.t		See if method calls work
t/op/misc.t		See if miscellaneous bugs have been fixed
t/op/mkdir.t		See if mkdir works
t/op/my.t		See if lexical scoping works
t/op/nothread.t		local @_ test which does not work threaded 
t/op/oct.t		See if oct and hex work
t/op/ord.t		See if ord works
t/op/pack.t		See if pack and unpack work
t/op/pat.t		See if esoteric patterns work
t/op/push.t		See if push and pop work
t/op/quotemeta.t	See if quotemeta works
t/op/rand.t		See if rand works
t/op/range.t		See if .. works
t/op/re_tests		Regular expressions for regexp.t
t/op/read.t		See if read() works
t/op/readdir.t		See if readdir() works
t/op/recurse.t		See if deep recursion works
t/op/ref.t		See if refs and objects work
t/op/regexp.t		See if regular expressions work
t/op/repeat.t		See if x operator works
t/op/runlevel.t		See if die() works from perl_call_*()
t/op/sleep.t		See if sleep works
t/op/sort.t		See if sort works
t/op/split.t		See if split works
t/op/sprintf.t		See if sprintf works
t/op/stat.t		See if stat works
t/op/study.t		See if study works
t/op/subst.t		See if substitution works
t/op/substr.t		See if substr works
t/op/sysio.t		See if sysread and syswrite work
t/op/taint.t		See if tainting works
t/op/tie.t		See if tie/untie functions work
t/op/time.t		See if time functions work
t/op/undef.t		See if undef works
t/op/universal.t	See if UNIVERSAL class works
t/op/unshift.t		See if unshift works
t/op/vec.t		See if vectors work
t/op/write.t		See if write works
t/pragma/constant.t	See if compile-time constants work
t/pragma/locale.t	See if locale support (i18n and l10n) works
t/pragma/overload.t	See if operator overloading works
t/pragma/strict-refs	Tests of "use strict 'refs'" for strict.t
t/pragma/strict-subs	Tests of "use strict 'subs'" for strict.t
t/pragma/strict-vars	Tests of "use strict 'vars'" for strict.t
t/pragma/strict.t	See if strictures work
t/pragma/subs.t		See if subroutine pseudo-importation works
t/pragma/warn-1global	Tests of global warnings for warning.t
t/pragma/warning.t	See if warning controls work
taint.c			Tainting code
thrdvar.h		Per-thread variables
thread.h		Threading header
thread.sym		Symbols for threads
toke.c			The tokener
universal.c		The default UNIVERSAL package methods
unixish.h		Defines that are assumed on Unix
util.c			Utility routines
util.h			Dummy header
utils/Makefile		Extract the utility scripts
utils/c2ph.PL		program to translate dbx stabs to perl
utils/h2ph.PL		A thing to turn C .h files into perl .ph files
utils/h2xs.PL		Program to make .xs files from C header files
utils/perlbug.PL	A simple tool to submit a bug report
utils/perldoc.PL	A simple tool to find & display perl's documentation
utils/pl2pm.PL		A pl to pm translator
utils/splain.PL		Stand-alone version of diagnostics.pm
vms/config.vms		default config.h for VMS
vms/descrip.mms		MM[SK] description file for build
vms/ext/DCLsym/0README.txt	ReadMe file for VMS::DCLsym
vms/ext/DCLsym/DCLsym.pm	Perl access to CLI symbols
vms/ext/DCLsym/DCLsym.xs	Perl access to CLI symbols
vms/ext/DCLsym/Makefile.PL	MakeMaker driver for VMS::DCLsym
vms/ext/DCLsym/test.pl	regression tests for VMS::DCLsym
vms/ext/Filespec.pm	VMS-Unix file syntax interconversion
vms/ext/Stdio/0README.txt	ReadMe file for VMS::Stdio
vms/ext/Stdio/Makefile.PL	MakeMaker driver for VMS::Stdio
vms/ext/Stdio/Stdio.pm	VMS options to stdio routines
vms/ext/Stdio/Stdio.xs	VMS options to stdio routines
vms/ext/Stdio/test.pl	regression tests for VMS::Stdio
vms/ext/XSSymSet.pm	manage linker symbols when building extensions
vms/ext/filespec.t	See if VMS::Filespec funtions work
vms/ext/vmsish.pm	Control VMS-specific behavior of Perl core
vms/ext/vmsish.t	Tests for vmsish.pm
vms/fndvers.com		parse Perl version from patchlevel.h
vms/gen_shrfls.pl	generate options files and glue for shareable image
vms/genconfig.pl	retcon config.sh from config.h
vms/genopt.com		hack to write options files in case of broken makes
vms/make_command.com	record MM[SK] command used to build Perl
vms/mms2make.pl		convert descrip.mms to make syntax
vms/myconfig.com	record local configuration info for bug report
vms/perlvms.pod		VMS-specific additions to Perl documentation
vms/perly_c.vms		perly.c with fixed declarations for global syms
vms/perly_h.vms		perly.h with fixed declarations for global syms
vms/sockadapt.c		glue for SockshShr socket support
vms/sockadapt.h		glue for SockshShr socket support
vms/test.com		DCL driver for regression tests
vms/vms.c		VMS-specific C code for Perl core
vms/vms_yfix.pl		convert Unix perly.[ch] to VMS perly_[ch].vms
vms/vmsish.h		VMS-specific C header for Perl core
vms/writemain.pl	Generate perlmain.c from miniperlmain.c+extensions
win32/Makefile		Win32 makefile for NMAKE (Visual C++ build)
win32/TEST		Win32 port
win32/autosplit.pl	Win32 port
win32/bin/network.pl	Win32 port
win32/bin/pl2bat.pl	wrap perl scripts into batch files
win32/bin/runperl.pl	run perl script via batch file namesake
win32/bin/search.pl	Win32 port
win32/bin/webget.pl	Win32 port
win32/bin/www.pl	Win32 port
win32/config.bc		Win32 base line config.sh (Borland C++ build)
win32/config.gc		Win32 base line config.sh (GNU build)?
win32/config.vc		Win32 base line config.sh (Visual C++ build)
win32/config_H.bc	Win32 config header (Borland C++ build)
win32/config_H.gc	Win32 config header (GNU build)?
win32/config_H.vc	Win32 config header (Visual C++ build)
win32/config_h.PL	Perl code to convert Win32 config.sh to config.h
win32/config_sh.PL	Perl code to update Win32 config.sh from Makefile 
win32/dl_win32.xs	Win32 port
win32/genxsdef.pl	Win32 port
win32/include/arpa/inet.h	Win32 port
win32/include/dirent.h		Win32 port
win32/include/netdb.h		Win32 port
win32/include/sys/socket.h	Win32 port
win32/makedef.pl	Win32 port
win32/makefile.mk	Win32 makefile for DMAKE (BC++, VC++ builds)
win32/makemain.pl	Win32 port
win32/makeperldef.pl	Win32 port
win32/perlglob.c	Win32 port
win32/perllib.c		Win32 port
win32/pod.mak		Win32 port
win32/runperl.c		Win32 port
win32/splittree.pl	Win32 port
win32/win32.c		Win32 port
win32/win32.h		Win32 port
win32/win32iop.h	Win32 port
win32/win32sck.c	Win32 port
win32/win32thread.h	Win32 port mapping to threads
win32/win32thread.c	Win32 functions for threads 
writemain.SH		Generate perlmain.c from miniperlmain.c+extensions
x2p/EXTERN.h		Same as above
x2p/INTERN.h		Same as above
x2p/Makefile.SH		Precursor to Makefile
x2p/a2p.c		Output of a2p.y run through byacc
x2p/a2p.h		Global declarations
x2p/a2p.pod		Pod for awk to perl translator
x2p/a2p.y		A yacc grammer for awk
x2p/a2py.c		Awk compiler, sort of
x2p/cflags.SH		A script that emits C compilation flags per file
x2p/find2perl.PL	A find to perl translator
x2p/hash.c		Hashes again
x2p/hash.h		Public declarations for the above
x2p/proto.h		Dummy header
x2p/s2p.PL		Sed to perl translator
x2p/str.c		String handling package
x2p/str.h		Public declarations for the above
x2p/util.c		Utility routines
x2p/util.h		Public declarations for the above
x2p/walk.c		Parse tree walker