### PROCESS
# mnemonic: [K]ill [P]rocess
# show output of "ps -ef", use [tab] to select one or multiple entries
# press [enter] to kill selected processes and go back to the process list.
# or press [escape] to go back to the process list. Press [escape] twice to exit completely.

kp() {
    local pid=$(ps -ef | sed 1d | eval "fzf ${FZF_DEFAULT_OPTS} -m --header='[kill:process]'" | awk '{print $2}')

    if [[ -n "${pid}" && "${pid}" != "x" ]]; then
        echo ${pid} | xargs kill -${1:-9}
        kp
    fi
}