1 files changed, 7 insertions, 1 deletions
diff --git a/pearup b/pearup
index 85c913f..b4a023c 100755
--- a/pearup
+++ b/pearup
@@ -5,7 +5,7 @@ rpmdate=$(LC_ALL="C" date +"%a %b %d %Y")
 rpmdate=${rpmdate/ 0/  }
 
 if [ $# -lt 2 ]; then
-    echo "usage $0 old new [ spec ]"
+    echo "usage $0 old new [ spec ] [ oldsuffix newsuffix ]"
     exit 1
 fi
 if [ -n "$3" ]; then
@@ -14,6 +14,12 @@ else
   name=$(basename $PWD).spec
 fi
 
+if [ ! -f $3 ]; then
+	echo "cannot read '$3' spec file"
+    echo "usage $0 old new [ spec ] [ oldsuffix newsuffix ]"
+	exit 1
+fi
+
 oldver="$1"
 newver="$2"
 rpmver="$2"