diff options
| -rwxr-xr-x | scripts/slight | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/scripts/slight b/scripts/slight index 118ade0..560f0fe 100755 --- a/scripts/slight +++ b/scripts/slight @@ -2,7 +2,7 @@ help() { cat << EOF -$0: Wrapper script to change backlight +${0}: Wrapper script to change backlight options: -i [Brg] Increase backlight by Brg @@ -16,7 +16,10 @@ EOF } err() { - echo "$*" >&2 + for line in "${@}"; do + echo "${line}" >&2 + done + exit 1 } @@ -30,9 +33,9 @@ if ! command -v brightnessctl > /dev/null 2>&1; then err "${0}: brightnessctl must be installed" fi -if [ $# != 1 ] && [ $# != 2 ]; then - err "${0}: Invalid usage -Try '$0 -h' for help." +if [ ${#} != 1 ] && [ ${#} != 2 ]; then + err "${0}: Invalid usage" \ + "Try '${0} -h' for help." fi while getopts "i:d:s:ph" option; do @@ -61,10 +64,10 @@ while getopts "i:d:s:ph" option; do ;; h) help; exit 0 ;; - *) err "Try '$0 -h' for help.";; + *) err "Try '${0} -h' for help.";; esac done -err "${0}: Invalid usage -Try '$0 -h' for help." +err "${0}: Invalid usage" \ + "Try '${0} -h' for help." |