process explorer

procexp.sh

#!/usr/bin/env bash

plist="\
proc1,\
proc2"

send_kill=false

version="v1.0.0"

kill_process()
{
  kill "-9 $1"

  echo ""
  echo "PID $1 KILLED"
  echo ""
}

report_process()
{
  cmd=$(ps -eo pid,user,cmd,pcpu,pmem --sort pcpu | grep "$1" | grep -v "grep")
  echo "${cmd}" | while read -r line; do
    if [ -z "${line}" ]; then
      continue
    fi

    pid=$(echo "$line" | awk '{print $1}')
    user=$(echo "$line" | awk '{print $2}')
    cmd=$(echo "$line" | awk '{print $3}')
    pcpu=$(echo "$line" | awk '{print $(NF-1)}')
    pmem=$(echo "$line" | awk '{print $(NF)}')

    echo ""
    echo " PID: $pid"
    echo "USER: $user"
    echo " CMD: $cmd"
    echo " CPU: $pcpu"
    echo " MEM: $pmem"
    echo ""

    if [ "$send_kill" = true ]; then
      kill_process "$pid"
    fi
  done
}

show_version()
{
  echo "$version"
  exit 0
}

show_help()
{
  echo "Process Explorer"
  echo ""
  echo "Usage: procexp [OPTIONS] NAME"
  echo ""
  echo "Options:"
  echo "   -k  Kill process."
  echo "   -v  Show version."
  exit 0
}

while getopts ":hkv" opt; do
  case "${opt}" in
    h)
      show_help
      ;;
    k)
      send_kill=true
      ;;
    v)
      show_version
      ;;
    *)
      show_help
      ;;
  esac
done

shift $((OPTIND -1))

pname=$1
if [ -n "${pname}" ]; then
  plist=${pname}
fi

IFS=',' read -r -a pbuf <<< "$plist"
for item in "${pbuf[@]}"; do
  report_process "$item"
done