diff options
Diffstat (limited to 'scripts/lsopts.pl')
-rwxr-xr-x | scripts/lsopts.pl | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/lsopts.pl b/scripts/lsopts.pl new file mode 100755 index 0000000..1ea8aaf --- /dev/null +++ b/scripts/lsopts.pl @@ -0,0 +1,32 @@ +#!/usr/bin/env perl +use strict; +use warnings; +use 5.010; + +my %opts; + +for my $chr ('a' .. 'z', 'A' .. 'Z') { + $opts{$chr} = q{}; +} + +open(my $fh, '<', 'src/options.c') or die("Can't open options.c: $!"); +while (my $line = <$fh>) { + chomp($line); + if ($line =~ /\{"(?<long>[^"]+)"\s*,.+,.+, (?<short>...)/) { + if (substr($+{'short'}, 0, 1) eq '\'') { + $opts{substr($+{'short'}, 1, 1)} = $+{'long'}; + } + else { + $opts{$+{'short'}} = $+{'long'}; + } + } +} +close($fh); + +foreach my $short (sort keys %opts) { + printf( + "%s\t%s\n", + $short, + $opts{$short}, + ); +} |