批量处理window下^M符号

 #！/bin/ksh
 #set -x
 #
 #去掉文件中的^M 符号
 #
 usage()
 {
     echo "Usage : sh ToAscll.sh [Option] [value]"
     echo "Option -path 文件目录"
     echo "sh ToAscll.sh -path /batch/rjxf/YFZX20190328"
 }

 function readfile
 {
    filelist=`ls $`
    for file in $filelist
    do
    echo $"/"$file
    if [ -d $"/"$file ];then
    readfile  $"/"$file
    else
    cat $"/"$file | tr -d "\r" > $"/"$file"_new"
    rm -rf $"/"$file
    cp $"/"$file"_new" $"/"$file
    rm -rf $"/"$file"_new"
    fi
    done
 }

 FAIL=

 if [ $# -eq  ]
 then
      usage
      exit $FAIL

 fi
 while [  ]
 do
     case $ in
     "-path")
             shift
             JOB_CODE=$
             shift
             ;;
     *)
         echo "[ERROR][$SHELL_CMD] 调用错误,参数不支持！"
         usage
         exit $FAIL
         ;;
     esac

     if [ $# -eq  ]
     then
         break
     fi
 done

 if [ -n "$JOB_CODE" ]
 then
     echo "start .............">>./logs.log
     readfile  $JOB_CODE
 else
     echo "[ERROR][$SHELL_CMD] 调用错误,参数不支持！"
     usage
     exit $FAIL
 fi    

希望能够帮助有需要的小伙们O(∩_∩)O哈哈~