argument parsing

argument parsing

#!/bin/bash

while getopts ":i:o:s:" opt; do
  case $opt in
    s)
      ss=$OPTARG
      ;;
    i)
      input=$OPTARG
      ;;
    o)
      output=$OPTARG
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      exit 1
      ;;
  esac
done

echo $input
echo $output
echo $ss