fixed bug in uniq_vals causing clusters named 0 to be ignored

git-svn-id: http://biopieces.googlecode.com/svn/trunk@1667 74ccb610-7750-0410-82ae-013aeee3265d

diff --git a/bp_bin/uniq_vals b/bp_bin/uniq_vals
index 0bc6ce0aa8adcf017fe1742a07892e29b7e663f2..c9af962ad6b5a58ec21e1cac6c2132eb31734316 100755 (executable)
--- a/bp_bin/uniq_vals
+++ b/bp_bin/uniq_vals
@@ -48,7 +48,7 @@ $out = Maasha::Biopieces::write_stream( $options->{ "stream_out" } );
 
 while ( $record = Maasha::Biopieces::get_record( $in ) ) 
 {
-    if ( $record->{ $options->{ "key" } } )
+    if ( exists $record->{ $options->{ "key" } } )
     {
         if ( not $hash{ $record->{ $options->{ "key" } } } and not $options->{ "invert" } )
         {