stop continue process

#!/bin/bash

# "stop" a process
stop(){
  if [ $# -ne 1 ]; then
          echo 1>&2 Usage: stop process
  else
    PROCESS=$1
    echo "Stopping processes with the word ${tGreen}$1${tReset}"
    ps axw | grep -i $1 | awk -v PROC="$1" '{print $1}' | xargs kill -STOP
  fi
}

# "cont"inue a process
cont(){
  if [ $# -ne 1 ]; then
          echo 1>&2 Usage: cont process
  else
    PROCESS=$1
    echo "Continuing processes with the word ${tGreen}$1${tReset}"
    ps axw | grep -i $1 | awk -v PROC="$1" '{print $1}' | xargs kill -CONT
  fi
}