48 lines
626 B
Bash
Executable File
48 lines
626 B
Bash
Executable File
#!/bin/sh
|
|
|
|
# Uncomment the following line to get debug info
|
|
#set -x
|
|
|
|
SELF="$(basename ${0})"
|
|
PID_FILE="/var/run/funkey.pid"
|
|
|
|
usage() {
|
|
>&2 echo "Usage: ${SELF} record pid"
|
|
>&2 echo " ${SELF} erase"
|
|
exit 1
|
|
}
|
|
|
|
record_pid() {
|
|
local pid="${1}"
|
|
if ! [ ! "${pid}" -ne "${pid}" ]; then
|
|
>&2 echo "error: ${pid} is not a number"
|
|
exit 2
|
|
fi
|
|
echo "${1}" > "${PID_FILE}"
|
|
}
|
|
|
|
erase_pid() {
|
|
rm -f "${PID_FILE}"
|
|
}
|
|
|
|
case "${1}" in
|
|
record)
|
|
if [ ${#} -ne 2 ]; then
|
|
usage
|
|
fi
|
|
record_pid "${2}"
|
|
;;
|
|
|
|
erase)
|
|
if [ ${#} -ne 1 ]; then
|
|
usage
|
|
fi
|
|
erase_pid
|
|
;;
|
|
|
|
*)
|
|
usage
|
|
;;
|
|
esac
|
|
exit 0
|