From: Joey Schulze <joey@infodrom.org>
Date: Wed, 27 Feb 2008 19:01:58 +0000 (+0000)
Subject: Don't try to modify something that doesn't exist
X-Git-Url: https://git.infodrom.org/?p=infodrom.org%2Fservice.infodrom.org;a=commitdiff_plain;h=b981f07445d12360b71536f32d6925a0f2b10597;ds=sidebyside

Don't try to modify something that doesn't exist
---

diff --git a/src/InfoCon/buch/infocon b/src/InfoCon/buch/infocon
index 35b9d8e..9aa76c6 100755
--- a/src/InfoCon/buch/infocon
+++ b/src/InfoCon/buch/infocon
@@ -237,7 +237,7 @@ sub read_input
     } elsif ($ans eq ".") {
 	$ans = '';
     }
-    $ans =~ s/ *$//;
+    $ans =~ s/ *$// if $ans;
     return $ans;
 }