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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;
my $man_path = "$ENV{HOME}/packages/feh/feh.1";
my $comp_path = "$ENV{HOME}/packages/zsh/etc/completions/_feh";
my @options;
open(my $comp_file, '<', $comp_path) or die("Can't open $comp_path: $!");
while (my $line = <$comp_file>) {
if ($line =~ /^ \t '(?<long> [\w-]+ )' \s+ '(?<short> . ) \+? ' $/xo) {
push(@options, [@+{'short', 'long'}]);
}
elsif ($line =~ /^ \t ' \*? -- (?<long> [\w-]+ ) \[/xo) {
push(@options, [undef, $+{'long'}]);
}
}
close($comp_file);
open(my $man_file, '<', $man_path) or die("Can't open $man_path: $!");
while (my $line = <$man_file>) {
if ($line !~ /^ \.B \s (?: -(?<short> . ), \s )? --(?<long> [\w-]+ )/xo) {
next;
}
if (not grep { $_ ~~ [@+{'short', 'long'}] } @options) {
printf("not in completion: %s %s\n",
$+{short} || ' ', $+{long},
);
}
}
close($man_file);
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