default zpm to zpm help

diff --git a/zpm b/zpm
index 90059feb88ea736b37e420580cda85327005f630..dfcb7845d6078142542cf1c152ebc2d8deb81ce3 100755 (executable)
--- a/zpm
+++ b/zpm
@@ -3,6 +3,7 @@
 PATH="$PATH:/home/nw/src/zpackage"
 export PATH
 
+[ -z "$1" ] && set help
 cmd="$1"
 shift