#!/usr/bin/env sh

# Description: Fuzzy list and kill a (zombie) process by name
#
# Note: To kill a zombie process enter "zombie"
#
# Shell: POSIX compliant
# Author: Arun Prakash Jana

is_cmd_exists () {
    which "$1" > /dev/null 2>&1
    echo $?
}

if [ "$(is_cmd_exists sudo)" -eq "0" ]; then
    sucmd=sudo
elif [ "$(is_cmd_exists doas)" -eq "0" ]; then
    sucmd=doas
else
    sucmd=: # noop
fi

printf "Enter process name ['defunct' for zombies]: "
read -r psname

if ! [ -z "$psname" ]; then
    # shellcheck disable=SC2009
    cmd="$(ps -ax | grep -iw "$psname" | fzy | sed -e 's/^[ \t]*//' | cut -d' ' -f1)"
    $sucmd kill -9 "$cmd"
fi