Refactor: Use `$#` to check parameters

diff --git a/mk-project b/mk-project
index 4674ef0..eecfa53 100755 (executable)
--- a/mk-project
+++ b/mk-project
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-if [ -z "$1" -o -n "$2" ]; then
+if [ $# -ne 1 ]; then
    echo "Usage: $0 project_name" >&2
    exit 1
 fi

diff --git a/move-project b/move-project
index 72f7475..2e7dba1 100755 (executable)
--- a/move-project
+++ b/move-project
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-if [ -z "$1" -o -n "$2" ]; then
+if [ $# -ne 1 ]; then
    echo "Usage: $0 project_name" >&2
    exit 1
 fi