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| author | Juan RP <xtraeme@gmail.com> | 2014-08-05 15:37:32 +0200 |
|---|---|---|
| committer | Juan RP <xtraeme@gmail.com> | 2014-08-05 15:37:32 +0200 |
| commit | b4255008b158e76fe595ec7d3021121b9d2257dd (patch) | |
| tree | f06b03d2ae8808d7cb0311254e003458124b9dd7 | |
| parent | 4914505c4f9ddb16855c7738d3cf25ace191ee7d (diff) | |
| download | runit-void-b4255008b158e76fe595ec7d3021121b9d2257dd.tar.gz runit-void-b4255008b158e76fe595ec7d3021121b9d2257dd.tar.xz runit-void-b4255008b158e76fe595ec7d3021121b9d2257dd.zip | |
shutdown: if no args print usage().
| -rwxr-xr-x | shutdown.sh | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/shutdown.sh b/shutdown.sh index 20fd707..0cf5c24 100755 --- a/shutdown.sh +++ b/shutdown.sh @@ -5,6 +5,10 @@ single() { runsvchdir single } +usage() { + echo "Usage: shutdown [-fF] [-kchPr] time [warning message]" >/dev/stderr; exit 1 +} + action=single while getopts akrhPHfFnct: opt; do @@ -17,12 +21,14 @@ while getopts akrhPHfFnct: opt; do c) action=cancel;; h|P) action=halt;; r) action=reboot;; - [?]) echo "Usage: shutdown [-fF] [-kchPr] time [warning message]" >/dev/stderr; exit 1;; + [?]) usage;; esac done shift $(expr $OPTIND - 1) -[ -n "$1" ] && time=$1 && shift +[ $# -eq 0 ] && usage + +time=$1; shift message="${*:-system is going down}" if [ "$action" = "cancel" ]; then |