testping

#!/bin/bash
#special strings allow color in terminal
red=`tput setaf 1`
green=`tput setaf 2`
reset=`tput sgr0`

if [[ $# -eq 0 ]]; then
  echo "Please enter filename as argument"
  exit 1
fi

file=$1

status_good="${green}online ${reset}"
status_bad="${red}offline ${reset}"
format="normal"
if [[ $# -eq 2 && $2 = "yesnoformat" ]]; then
  format="yesno"
  status_good="Yes"
  status_bad="No"
fi

#loop through first words of each line, before ' ' symbol
for computer in $(cut -d ',' -f1 $file); do
  computer="${computer/\"}"
  #ping -c 1 only does 1 packet and only care about exit status not output
  # -w 1 only waits 1 second per ping
  ping -c 1 -w 1 $computer > /dev/null 2>&1
  result=$?

  status=""
  if [ $result = "0" ]; then
    status=$status_good
  else
    status=$status_bad
  fi
  if [ "$format" = "yesno" ]; then
    echo -e "$status"
  else
    echo -e "$computer: $status"	
  fi
done