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| author | Larry Wall <larry@wall.org> | 1988-06-05 00:00:00 +0000 |
|---|---|---|
| committer | Larry Wall <larry@wall.org> | 1988-06-05 00:00:00 +0000 |
| commit | 378cc40b38293ffc7298c6a7ed3cd740ad79be52 (patch) | |
| tree | 87bedf9adc5c88847a2e2d85963df5f94435aaf5 /README | |
| parent | a4de7c03d0bdc29d9d3a18abad4ac2628182ed7b (diff) | |
| download | perl-378cc40b38293ffc7298c6a7ed3cd740ad79be52.tar.gz | |
perl 2.0 (no announcement message available)perl-2.0
Some of the enhancements from Perl1 included:
* New regexp routines derived from Henry Spencer's.
o Support for /(foo|bar)/.
o Support for /(foo)*/ and /(foo)+/.
o \s for whitespace, \S for non-, \d for digit, \D nondigit
* Local variables in blocks, subroutines and evals.
* Recursive subroutine calls are now supported.
* Array values may now be interpolated into lists: unlink 'foo', 'bar', @trashcan, 'tmp';
* File globbing.
* Use of <> in array contexts returns the whole file or glob list.
* New iterator for normal arrays, foreach, that allows both read and write.
* Ability to open pipe to a forked off script for secure pipes in setuid scripts.
* File inclusion via do 'foo.pl';
* More file tests, including -t to see if, for instance, stdin is a terminal. File tests now behave in a more correct manner. You can do file tests on filehandles as well as filenames. The special filetests -T and -B test a file to see if it's text or binary.
* An eof can now be used on each file of the <> input for such purposes as resetting the line numbers or appending to each file of an inplace edit.
* Assignments can now function as lvalues, so you can say things like ($HOST = $host) =~ tr/a-z/A-Z/; ($obj = $src) =~ s/\.c$/.o/;
* You can now do certain file operations with a variable which holds the name of a filehandle, e.g. open(++$incl,$includefilename); $foo = <$incl>;
* Warnings are now available (with -w) on use of uninitialized variables and on identifiers that are mentioned only once, and on reference to various undefined things.
* There is now a wait operator.
* There is now a sort operator.
* The manual is now not lying when it says that perl is generally faster than sed. I hope.
Diffstat (limited to 'README')
| -rw-r--r-- | README | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1,7 +1,7 @@ - Perl Kit, Version 1.0 + Perl Kit, Version 2.0 - Copyright (c) 1987, Larry Wall + Copyright (c) 1988, Larry Wall You may copy the perl kit in whole or in part as long as you don't try to make money off it, or pretend that you wrote it. @@ -52,7 +52,9 @@ Installation This will run the regression tests on the perl you just made. If it doesn't say "All tests successful" then something went wrong. - See the README in the t subdirectory. + See the README in the t subdirectory. Note that you can't run it + in background if this disables opening of /dev/tty. If in doubt, just + cd to the t directory and run TEST by hand. 6) make install |