Convert: add convert plugin

1 files changed, 39 insertions, 0 deletions

diff --git a/Plugin/Convert.pm b/Plugin/Convert.pm
new file mode 100755
index 0000000..c830628
--- /dev/null
+++ b/Plugin/Convert.pm
@@ -0,0 +1,39 @@
+package Plugin::Convert;
+
+use strict;
+use warnings;
+use IPC::Open2;
+
+sub configure {
+	my $self = shift;
+	my $cmdref = shift;
+
+	$cmdref->($self, "convert", sub { $self->convert(@_); } );
+
+	return $self;
+}
+
+sub convert {
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, $no_reenter, @arguments) = @_;
+
+	my $from = (split / to /, $rest)[0];
+	my $to = (split / to /, $rest)[1];
+
+	return "Syntax: convert <from> to <to>\n" unless ($from and $to);
+
+	my ($out, $in);
+	my $pid = open2($out, $in, 'units', '-1', '--compact', '--quiet');
+
+	print $in "$from\n$to\n";
+	my $converted = <$out>;
+	chomp $converted;
+
+	close($in);
+	waitpid($pid, 0);
+	my $exit_status = $? >> 8;
+	# `units` doesn't actually seem to set this non-zero, but use it anyway
+	return "Conversion error" if $exit_status;
+
+	return "Converted: $converted\n";
+}
+1;