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-rwxr-xr-xscripts/checkopts.pl66
1 files changed, 66 insertions, 0 deletions
diff --git a/scripts/checkopts.pl b/scripts/checkopts.pl
new file mode 100755
index 0000000..fb88c0f
--- /dev/null
+++ b/scripts/checkopts.pl
@@ -0,0 +1,66 @@
+#!/usr/bin/env perl
+## Copyright © 2010 by Daniel Friesel <derf@derf.homelinux.org>
+## License: WTFPL <http://sam.zoy.org/wtfpl>
+use strict;
+use warnings;
+
+my $options;
+
+open(my $c_fh, '<', 'src/options.c') or die("Can't read options.c: $!");
+while (my $line = <$c_fh>) {
+
+ if ($line =~ /\{"(?<long>[\w-]+)",.*,\s*(?:'(?<short>.)'|(?<short>\d+))\}/o) {
+ push(@{$options->{$+{long}}}, ['source', $+{short}]);
+ }
+ elsif ($line =~ /" (?:\-(?<short>.), |\s*)--(?<long>[\w-]+) /) {
+ push(@{$options->{$+{long}}}, ['help', $+{short}]);
+ }
+
+}
+close($c_fh);
+
+open(my $man_fh, '<', 'feh.1') or die("Can't read feh.1: $!");
+while (my $line = <$man_fh>) {
+
+ if ($line =~ /^\.B (?:-(?<short>.), )?--(?<long>[\w-]+)/) {
+ push(@{$options->{$+{long}}}, ['manual', $+{short}]);
+ }
+
+}
+close($man_fh);
+
+foreach my $option (keys %{$options}) {
+ my $last;
+ my $count = 0;
+
+ if ($option =~ / ^ action\d | help /x) {
+ next;
+ }
+
+ foreach my $source (@{$options->{$option}}) {
+ my $name = $source->[0];
+ my $short = $source->[1] // '';
+ $short = '' if ($short =~ /^\d+$/);
+
+ if (not defined $last) {
+ $last = $short;
+ }
+
+ if ($last ne $short) {
+ last;
+ }
+
+ $last = $short;
+ $count++;
+ }
+
+ if ($count == 3) {
+ next;
+ }
+
+ foreach my $source (@{$options->{$option}}) {
+ my $name = $source->[0];
+ my $short = $source->[1] // '';
+ print "$option: $name ($short)\n";
+ }
+}