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| author | Gisle Aas <gisle@activestate.com> | 2006-01-06 10:38:37 +0000 |
|---|---|---|
| committer | Gisle Aas <gisle@activestate.com> | 2006-01-06 10:38:37 +0000 |
| commit | 74ac850a5ee417afa60a477ea52af7a8f46a7e5a (patch) | |
| tree | 542841f8cbe9f5f5a847f7a359e050c09152de11 /pod/perlrun.pod | |
| parent | 2478f7a0ecfc00f4d83ec0abe7521859385d9893 (diff) | |
| download | perl-74ac850a5ee417afa60a477ea52af7a8f46a7e5a.tar.gz | |
Improve description of the -s switch.
I found the "This means you can have switches
with two leading dashes." sentence introduced by
change 7144 really confusing. The note after
the example should make it clear enough that double
dash switches can be used for those that insist.
p4raw-id: //depot/perl@26669
Diffstat (limited to 'pod/perlrun.pod')
| -rw-r--r-- | pod/perlrun.pod | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/pod/perlrun.pod b/pod/perlrun.pod index 6eb6bbf035..ee35b11bb0 100644 --- a/pod/perlrun.pod +++ b/pod/perlrun.pod @@ -771,8 +771,7 @@ X<-s> enables rudimentary switch parsing for switches on the command line after the program name but before any filename arguments (or before -an argument of B<-->). This means you can have switches with two leading -dashes (B<--help>). Any switch found there is removed from @ARGV and sets the +an argument of B<-->). Any switch found there is removed from @ARGV and sets the corresponding variable in the Perl program. The following program prints "1" if the program is invoked with a B<-xyz> switch, and "abc" if it is invoked with B<-xyz=abc>. @@ -780,7 +779,7 @@ if it is invoked with B<-xyz=abc>. #!/usr/bin/perl -s if ($xyz) { print "$xyz\n" } -Do note that B<--help> creates the variable ${-help}, which is not compliant +Do note that a switch like B<--help> creates the variable ${-help}, which is not compliant with C<strict refs>. Also, when using this option on a script with warnings enabled you may get a lot of spurious "used only once" warnings. |