code_format.sh

#!/bin/bash

if [ "${1}" = "" ]; then
    echo "Please input a path or a file name."
    exit
fi

format() {
    echo ${files} | xargs dos2unix

    for filename in ${files} ;do
        if [ "$(uname)" == "Darwin" ] ;then
            # Mac OS X
            sed_cmd=gsed
        elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ] ;then
            # GNU/Linux
            sed_cmd=sed
        else
            echo "This operating system is not supported now"
            exit
        fi

        filename1=${filename}.tab
        echo "tab --> 4 space" ${filename}
        ${sed_cmd} 's/\t/    /g' ${filename} >${filename1}

        echo "delete the space of end line" ${filename}
        ${sed_cmd} 's/[ \t]*$//g' ${filename1} >${filename}

        rm -f ${filename1}
    done
}


if [ -d "${1}" ]; then
    rules=`cat format_list.conf | xargs`

    for rule in ${rules} ; do
        files="`find ${1} -name '*.'${rule}''`"

        if [ "${files}" != "" ]; then
            format
        fi
    done
else
    files="${1}"
    format
fi

exit