RAW ImageFile to jpeg

raw_2_jpg.sh

#!/usr/bin/env bash
###########################################
# RAW Image to jpeg conversion script     #
# for Mac OSX                             #
# author : <Bohyung kim> dsdgun@gmail.com #
###########################################

__pwd="${PWD}"
__exec_sips=`which sips`
__rawfile_pattern="nef|cr2|rw2"
__convert_format=jpeg
__output_dir_suffix=output
__output_dir="${__pwd}/${__output_dir_suffix}"

__log() {
	echo "$*"
}

__clear_output_dir() {
	__log "got interrupted.."
	__log "clear outputdir : ${__output_dir}"
	rm -rf "${__output_dir}"
	exit 0
}
__mkdir() {
	mkdir -p "$*"
}

__convert() {
	_filelist=$(ls | egrep -i "$__rawfile_pattern") 
	if [ ! -d "${__output_dir}" ]; then 
		__mkdir "${__output_dir}"
	fi

	for i in $_filelist;
	do 
		sips -s format "${__convert_format}" $i --out "${__output_dir}/${i%.*}.jpg"
	done
}

__check_env() {
	if [ -z $__exec_sips ]; then 
		__log "envcheck failed : sips does not exist"
		exit 1
	fi
	if [ ! -w ${__pwd} ]; then 
		__log "envcheck failed : Write permiss is not granted to ${__pwd}" 
		exit 1
	fi
}

__main() {
	__check_env
	__convert
}

# Ctrl + c 로 종료한경우 _outputdir 정리 
trap "{ __clear_output_dir; }" SIGINT SIGTERM
__main "$*"