1 files changed, 14 insertions, 1 deletions
diff --git a/scripts/cli/noc b/scripts/cli/noc
index 575566c..63bee86 100755
--- a/scripts/cli/noc
+++ b/scripts/cli/noc
@@ -1,6 +1,19 @@
 #!/bin/sh
 
-# Remove empty lines and all the comments starting with "#"
+. "lib_common.sh"
+
+help() {
+cat << EOF
+${0}: Remove empty lines and all the comments starting with '#'.
+options:
+ -h              Print this message and exit
+EOF
+exit 0
+}
+
+[ "${1}" = "-h" ] && help
+
+[ ${#} -gt 0 ] && invalid_use
 
 for file in "${@}"; do
 	sed -i "s/\s*#.*//g; /^$/ d" "${file}"