Fix broken arg number test.

diff --git a/lintplom b/lintplom
index 9a4799cfde4b6dc9c5aac9e17a7124a88f28dc20..fa6dc60a6520fa70e518d3b3ee69e9652b94af0a 100755 (executable)
--- a/lintplom
+++ b/lintplom
@@ -2,7 +2,7 @@
 set -e
 
 # check existence of file, ensure absoluteness of path
-if [ "$?" -ne 1 ]; then
+if [ "$#" -ne 1 ]; then
     echo "usage: lintplom FILEPATH"
     echo ""
     echo "arguments:"