Do not print warning messages when there are no occurences.

2010-07-02  Sebastian Pop  <sebastian.pop@amd.com>

	* check_GNU_style.sh: Do not print warning messages when there are
	no occurences.

From-SVN: r164378

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 26c446c..000d274 100644 (file)
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-02  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * check_GNU_style.sh: Do not print warning messages when there are
+       no occurences.
+
 2010-09-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
        * gcc_update: Handle hg, too.

diff --git a/contrib/check_GNU_style.sh b/contrib/check_GNU_style.sh
index 6396417..8fb579f 100755 (executable)
--- a/contrib/check_GNU_style.sh
+++ b/contrib/check_GNU_style.sh
@@ -84,8 +84,11 @@ col (){
        | grep -v ':+++' \
        | cut -f 2 -d '+' \
        | awk '{ if (length ($0) > 80) print $0 }' \
-       > $tmp && printf "\n$msg\n"
-    cat $tmp
+       > $tmp
+    if [ -s $tmp ]; then
+       printf "\n$msg\n"
+       cat $tmp
+    fi
 }
 
 col 'Lines should not exceed 80 characters.' $*