diff options
Diffstat (limited to 'gnu/usr.bin/perl/lib/FindBin.pm')
| -rw-r--r-- | gnu/usr.bin/perl/lib/FindBin.pm | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/gnu/usr.bin/perl/lib/FindBin.pm b/gnu/usr.bin/perl/lib/FindBin.pm index 8be9cb6b5af..4610beb2cd3 100644 --- a/gnu/usr.bin/perl/lib/FindBin.pm +++ b/gnu/usr.bin/perl/lib/FindBin.pm @@ -42,13 +42,19 @@ directory. =head1 KNOWN ISSUES If there are two modules using C<FindBin> from different directories -under the same interpreter, this won't work. Since C<FindBin> uses +under the same interpreter, this won't work. Since C<FindBin> uses a C<BEGIN> block, it'll be executed only once, and only the first caller will get it right. This is a problem under mod_perl and other persistent Perl environments, where you shouldn't use this module. Which also means that you should avoid using C<FindBin> in modules that you plan to put -on CPAN. The only way to make sure that C<FindBin> will work is to force -the C<BEGIN> block to be executed again: +on CPAN. To make sure that C<FindBin> will work is to call the C<again> +function: + + use FindBin; + FindBin::again(); # or FindBin->again; + +In former versions of FindBin there was no C<again> function. The +workaround was to force the C<BEGIN> block to be executed again: delete $INC{'FindBin.pm'}; require FindBin; @@ -96,9 +102,9 @@ use File::Spec; %EXPORT_TAGS = (ALL => [qw($Bin $Script $RealBin $RealScript $Dir $RealDir)]); @ISA = qw(Exporter); -$VERSION = "1.43"; +$VERSION = "1.44"; -BEGIN +sub init { *Dir = \$Bin; *RealDir = \$RealBin; @@ -179,5 +185,9 @@ BEGIN } } +BEGIN { init } + +*again = \&init; + 1; # Keep require happy |