1 files changed, 77 insertions, 0 deletions
diff --git a/readme_generator.pl b/readme_generator.pl
new file mode 100755
index 0000000..e93239e
--- /dev/null
+++ b/readme_generator.pl
@@ -0,0 +1,77 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+# Goal: extract the comments from the top of each script file, and
+# turn them into some sort of markdown-style README.md for github to nom on.
+#
+# Not sure how it's going to work with multiple files in a dir though. Sections?
+
+# Change of plan! Github supports POD, so we just use Pod::Select to scrape it.
+
+use File::Find;
+use File::Spec;
+use Pod::Select;
+
+use feature qw/say/;
+use Cwd;
+
+my $overwrite = $ARGV[0];
+if ($overwrite =~ m/--overwrite/) {
+    shift @ARGV; # remove it form list of dirs.
+    $overwrite = 1;
+} else {
+    $overwrite = 0;
+}
+
+my @dirs = map { File::Spec->catdir(getcwd(), $_) } @ARGV;
+
+die unless @dirs;
+
+find(\&wanted, @dirs);
+
+sub wanted {
+    my ($file, $dir, $path) = ($_, $File::Find::dir, $File::Find::name);
+    return unless $file =~ m/\.pl$/;
+    return if $file =~ m/^\./;
+
+    _err("processing file: $path");
+    create_output_file($dir, $file);
+}
+
+sub create_output_file {
+    my ($dir, $in_file) = @_;
+
+    my $parser = Pod::Select->new;
+
+    my $out_file = "README.pod";
+
+    my $in_file_path = File::Spec->catfile($dir, $in_file);
+    my $out_file_path = File::Spec->catfile($dir, $out_file);
+    my $sec_sep = '';
+
+    if (-f $out_file_path and not $overwrite) {
+        _err("$out_file_path already exists, going to append") unless $overwrite;
+        $sec_sep = "\n\n=for html <br />\n\n";
+    }
+
+    my $mode = $overwrite ? '>' : '>>';
+
+    _err("Writing to $mode $out_file_path");
+
+    open my $wfh, $mode, $out_file_path
+      or die "Couldn't open $out_file_path for $mode output: $!";
+
+    $parser->parse_from_file($in_file_path, $wfh);
+
+    print $wfh "\n\n=cut\n\n";
+
+    close $wfh;
+}
+
+sub _err {
+    my ($msg, @args) = @_;
+    my $str = sprintf($msg, @args);
+    say STDERR $str;
+}