diff options
Diffstat (limited to 'functions/usage.sh')
| -rwxr-xr-x | functions/usage.sh | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/functions/usage.sh b/functions/usage.sh index 7f8d694..8f70c46 100755 --- a/functions/usage.sh +++ b/functions/usage.sh @@ -1,16 +1,32 @@ #!/bin/sh -# usage.sh - handle usage information +# usage.sh - print usage information +# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org> +# +# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING. +# This is free software, and you are welcome to redistribute it +# under certain conditions; see COPYING for details. + +set -e Usage () { echo "${PROGRAM} - ${DESCRIPTION}" echo - echo "${USAGE}" - echo "Usage: ${PROGRAM} [-h|--help]" - echo "Usage: ${PROGRAM} [-u|--usage]" - echo "Usage: ${PROGRAM} [-v|--version]" + echo "Usage:" + echo + + if [ -n "${USAGE}" ] + then + echo " ${USAGE}" + echo + fi + + echo " ${PROGRAM} [-h|--help]" + echo " ${PROGRAM} [-u|--usage]" + echo " ${PROGRAM} [-v|--version]" echo echo "Try \"${PROGRAM} --help\" for more information." + exit 1 } |