is_null: whether a variable is null

OneCodeMonkey · Jun 28, 2019 · f7ee1d0 · f7ee1d0
1 parent 6fd2bc6
commit f7ee1d0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/utils/is_null.sh b/utils/is_null.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+var=$1
+if [ ! $var ]; then
+	echo "is null"
+else
+	echo "not null"
+fi