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#!/bin/sh
help() {
cat << EOF
${0}: Wrapper script to send notifications
options:
-s [Msg] Send Msg
-h Print this message and exit
EOF
}
err() {
for line in "${@}"; do
echo "${line}" >&2
done
exit 1
}
run() {
if ! ${1} > /dev/null 2>&1; then
err "${2}"
fi
[ -n "${3}" ] && echo "${3}"
exit 0
}
if ! command -v notify-send > /dev/null 2>&1; then
err "${0}: dunst must be installed"
fi
case "${1}" in
"-s")
[ ${#} != 2 ] && err "${0}: Invalid usage" "Try '${0} -h' for help."
run "notify-send ${2}" \
"${0}: Failed to send notification"
;;
"-h") help; exit 0 ;;
*) err "${0}: Invalid usage" "Try '${0} -h' for help." ;;
esac
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