#!/bin/bash -   
    #===============================================================================  
    #  
    #          FILE: conv.sh  
    #   
    #         USAGE: ./conv.sh   
    #   
    #   DESCRIPTION:   
    #   
    #       OPTIONS: ---  
    #  REQUIREMENTS: ---  
    #          BUGS: 目前不支持传入参数中含有空格；  
    #         NOTES: ---  
    #        AUTHOR: linkscue (scue),[email protected]  
    #       CREATED: 2013年03月06日 22时52分31秒 HKT  
    #     COPYRIGHT: Copyright (c) 2013,linkscue  
    #      REVISION: 0.1  
    #  ORGANIZATION: ---  
    #===============================================================================  
      
    __ScriptVersion="0.1"  
      
    #===  FUNCTION  ================================================================  
    #         NAME:  usage  
    #  DESCRIPTION:  Display usage information.  
    #===============================================================================  
    function usage ()  
    {  
            cat <<- EOT  
      
      Usage :  $0 -s suffix1 -s suffix2 -d dir1 -d dir2 -f file1 -f file2  
      
      Options:  
      -h|help       Display this message  
      -v|version    Display script version  
      -s suffix     Setting suffix  
      -d directory  Convert all file encoding to UTF-8  
      -f file       Convert a file encoding to UTF-8  
      
    EOT  
    }    # ----------  end of function usage  ----------  
      
    #-----------------------------------------------------------------------  
    #  Handle command line arguments  
    #-----------------------------------------------------------------------  
      
    suffixs=()  
    directorys=()  
    files=()  
    while getopts ":hvd:f:s:" opt  
    do  
      case $opt in  
      
        h|help     )  usage; exit 0   ;;  
      
        v|version  )  echo "$0 -- Version $__ScriptVersion"; exit 0   ;;  
      
        f  )  files+=("$OPTARG")   ;;  
      
        d  )  directorys+=("$OPTARG")   ;;  
      
        s  )  suffixs+=("$OPTARG")   ;;  
      
        \? )  echo -e "\n  Option does not exist : $OPTARG\n"  
              usage; exit 1   ;;  
      
      esac    # --- end of case ---  
    done  
    shift $(($OPTIND-1))  
      
    # 检查输入  
    if [[ ${#files} -lt 1 ]] && [[ ${#directorys} -lt 1 ]]; then  
        usage  
        exit  
    fi  
      
    TMPFILE="$(mktemp -t convXXXXXX)"  
    trap "rm -f '$TMPFILE'" 0               # EXIT  
    trap "rm -f '$TMPFILE'; exit 1" 2       # INT  
    trap "rm -f '$TMPFILE'; exit 1" 1 15    # HUP TERM  
      
    #-------------------------------------------------------------------------------  
    #  转换编码函数  
    #-------------------------------------------------------------------------------  
    conv_utf8(){  
        file="$1"  
        echo "处理文件: '$file' ..."  
        iconv -f gb2312 -t UTF-8 "$file" -o $TMPFILE 2> /dev/null &&\  
            mv -f $TMPFILE "$f" || {  
            echo "转换失败: '${file}'"  
        }  
    }  
      
    # 转换文件  
    for f in "${files[@]}"; do  
        conv_utf8 "$f"  
    done  
      
    # 转换目录文件  
    if [[ ${#directorys} -gt 1 ]]; then  
        if [[ ${#suffixs} -lt 1 ]]; then  
            echo  
            echo "请指定需转换编码的文件后缀，如 '-s txt -s java'"  
            echo  
            usage  
            exit  
        else  
            for s in "${suffixs[@]}"; do  
                for f in $(find $directorys -type f -name "*.${s#.}"); do  
                    conv_utf8 "$f"  
                done  
            done  
        fi  
    fi