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authorJarkko Hietaniemi <jhi@iki.fi>1998-11-27 11:38:13 +0000
committerJarkko Hietaniemi <jhi@iki.fi>1998-11-27 11:38:13 +0000
commit80d06f2dff03a52147744439d4888c6bef091986 (patch)
treee5fb4b4e6850fcfc247f016fbb50cc64dc5d6ffd /lib/filetest.pm
parent47d92828360781cbf2e3ddccf610d192cd5998b6 (diff)
downloadperl-80d06f2dff03a52147744439d4888c6bef091986.tar.gz
C<-x>.
p4raw-id: //depot/cfgperl@2317
Diffstat (limited to 'lib/filetest.pm')
-rw-r--r--lib/filetest.pm13
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/filetest.pm b/lib/filetest.pm
index cc14e82817..fe1777e443 100644
--- a/lib/filetest.pm
+++ b/lib/filetest.pm
@@ -16,7 +16,8 @@ filetest - Perl pragma to control the filetest permission operators
=head1 DESCRIPTION
This pragma tells the compiler to change the behaviour of the filetest
-permissions operators, the -r -w -x -R -W -X (see L<perlfunc>).
+permissions operators, the C<-r> C<-w> C<-x> C<-R> C<-W> C<-X>
+(see L<perlfunc>).
The default behaviour to use the mode bits as returned by the stat()
family of calls. This, however, may not be the right thing to do if
@@ -31,11 +32,11 @@ There may be a slight performance decrease in the filetests
when C<use filetest> is in effect, because in some systems
the extended functionality needs to be emulated.
-B<NOTE>: using the file tests is a lost case from the start: there is
-a window open for race conditions (who is to say that the permissions
-will not change between the test and the real operation?). Therefore
-if you are serious about security, just try the real operation and
-test for its success. Think atomicity.
+B<NOTE>: using the file tests for security purposes is a lost case
+from the start: there is a window open for race conditions (who is to
+say that the permissions will not change between the test and the real
+operation?). Therefore if you are serious about security, just try
+the real operation and test for its success. Think atomicity.
=head2 subpragma access