#!/bin/bash
#########################################################
# 							#
# This is BashStyle-NG  				#
#							#
# Licensed under GNU GENERAL PUBLIC LICENSE v3    	#
#							#
# Copyright 2007 - 2017 Christopher Bratusek		#
#							#
#########################################################

case ${1} in
	-v | --verbose )
		MV_OPT="-v"
		shift
	;;
esac

case ${@} in
	"" )
		bashstyle-help -a "Christopher Roy Bratusek" -e "nano@jpberlin.de" -h "http://www.nanolx.org/"\
			-l "GNU GPL v3" -n "sufffix" -s "fix suffix for files" -v "${BSNG_VERSION}" -y "${BSNG_YEAR}"\
			-o "-v:|verbose output"\
			-o "files:myfile.txt|file(s) to fix the suffix"
	;;

	* )
		for image in "${@}"; do
			if [[ -f "${image}" ]]; then
				baseimg=${image%.*}

				suffix="$(grep "^$(file --mime-type "${image}" | \
					awk '{print $2}')" /etc/mime.types | \
					awk '{print $2}')"

				if [[ "${image}" != "${baseimg}.${suffix}" && ${suffix} ]]; then
					mv ${MV_OPT} "${image}" "${baseimg}.${suffix}"
				fi
			fi
		done
	;;
esac
