#! /bin/bash export PCILIB_MODEL=ipedma #!/bin/sh # A POSIX variable OPTIND=1 # Reset in case getopts has been used previously in the shell. # Initialize our own variables: output_file="temp.bin" while getopts "f:" opt; do case "$opt" in f) output_file=$OPTARG ;; esac done shift $((OPTIND-1)) [ "$1" = "--" ] && shift echo "output_file='$output_file'" rm $output_file