[文件操作] 批处理怎样将txt文本内容根据每一行指定字段/列的数字排序？

@echo off & setlocal EnableDelayedExpansion

if "%1"=="sub" (
    for /f "tokens=1-3" %%a in (a.txt) do (
        set "s=          %%b"        
        echo !s:~-10! %%a %%c
    )
    exit
) else (
    >b.txt ( for /f "tokens=1-3" %%a in ('cmd /c %0 sub ^| sort') do echo %%b %%a %%c)
)

start b.txt
pause
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::先下载http://batch-cn.qiniudn.com/tool/2.1/sort.exe
@sort -n -k 2 "1.txt">"2.txt"
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rem win7及以上系统运行
powershell -c "gc '文本.txt'|sort {1*($_ -split '\s+')[1]}"
pause
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@if(0)==(0) echo off
CScript -NoLogo -E:JScript %0 <a.txt >b.txt
pause&goto:eof
@end
var arr = [];
while (!WScript.StdIn.AtEndOfStream){
   arr.push(WScript.StdIn.Readline().replace(/ +/," ").split(" "));
}
arr.sort(function(a, b){ return a[1] - b[1] });
for (var i = 0, len = arr.length; i < len; i++) {
    WSH.Echo(arr[i].join(" "))
}
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