@echo off&setlocal enabledelayedexpansion
echo.&set /p in=请拖入文件:&echo.&echo 正在处理文件,请稍候...
for /f "delims=" %%a in ('type %in%') do (
   set "str=%%a"&set "m=0"
   set /a "n+=1"
   set "#!n!=%%a"
   call :count_
)
:agn
set "choi="
echo.&set/p choi=请输入要查找的行(回车显示全文字符数):
if not defined choi (echo %all%&echo.&echo 按任意键退出...&pause>nul&goto :eof)
if %choi% gtr %n% echo 文件没有那么多行^^^!&goto :agn
echo.&echo 第%choi%行有!_%choi%!个字符,内容如下:&echo !#%choi%!
goto :agn
:count_
if "!str!"=="" (
   set /a "all=all+m"&set "_%n%=%m%"&goto :eof
) else (
   set /a "m+=1"
   set "str=!str:~1!"
   goto :count_
)
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#*第三方http://www.bathome.net/s/tool/index.html?key=gawk
#*&cls&gawk -f "%~f0" "文本.txt">con&pause&exit
BEGIN{
    space=1;  #设置是否统计空格和制表符，0为不统计，1为统计
    s=0;
}
{
    if(!space){
        gsub(/[[:space:]]+/,"");
        a=length($0);s+=a;print "["a"]"$0;
    }else{
        a=length($0);s+=a;print "["a"]"$0;
    }
}
END{print (space?"":"不")"包括空格、制表符总计:"s"个字符"}
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