#!/bin/sh set -eu usage() { cat << EOF Usage: lsinitramfs [-l] initramfs-file... Options: -l Display long and more verbose listing of initramfs content See lsinitramfs(8) for further details. EOF } usage_error() { usage >&2 exit 2 } umi_opts="--list" OPTIONS=$(getopt -o hl --long help,long -n "$0" -- "$@") || usage_error eval set -- "$OPTIONS" while true; do case "$1" in -h|--help) usage exit 0 ;; -l|--long) umi_opts="${umi_opts:+${umi_opts} --verbose}" shift ;; --) shift break ;; *) echo "Internal error!" >&2 exit 1 esac done if [ "$#" -eq 0 ] ; then usage_error fi for initramfs in "$@" ; do unmkinitramfs $umi_opts -- "$initramfs" done