X-Git-Url: http://git.shiar.nl/barcat.git/blobdiff_plain/f8ff6134094dfbef301efd2e234c696775d0ed56..147c2783799a5fec580b7cf58b8fb23b8310513b:/barcat

diff --git a/barcat b/barcat
index 655f386..cb3282e 100755
--- a/barcat
+++ b/barcat
@@ -448,7 +448,7 @@ sub varfmt {
 		defined && do {
 			$_ = $opt{'value-format'}->($_) if $format;
 			if ($cmd and $op eq ':') {
-				$_ = varfmt($cmd, $vars);
+				$_ = !!$_ && varfmt($cmd, $vars);
 			}
 			elsif ($cmd) {
 				eval $cmd;