[文件操作] 批处理如何查找txt文本指定列中是否含相同字符串？

::先下载http://batch-cn.qiniudn.com/tool/gawk.exe
@gawk "{a[$4]++}END{for(i in a)if(a[i]>1)print i,a[i]}" "1.txt">"2.txt"
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@if(0)==(0) echo off&cscript -nologo -e:jscript "%~0"<"1.txt">"2.txt"&pause & exit/b&@end
var a = {};
while(!WScript.StdIn.AtEndOfStream) {
    var m = WScript.StdIn.ReadLine().split(/\s+/);
    a.hasOwnProperty(m[3])?(a[m[3]]++):a[m[3]]=1;
}
for (var i in a){if (a[i]>1)WSH.Echo(i+' '+a[i]);}
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@echo off
for /f "tokens=4 delims= " %%j in (1.txt) do (		
	set /a #%%j+=1
)
for /f "tokens=1,2 delims=#=" %%i in ('set #') do echo;%%i    %%j个
pause
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@echo off&setlocal enabledelayedexpansion
del b.txt>nul 2>nul
del 重复内容.txt>nul 2>nul
For /f "tokens=*" %%i in (1.txt) do (Findstr /x /c:"%%i" b.txt >nul 2>nul&&(echo %%i>>重复内容.txt)||
(Echo %%i>>b.txt))
del b.txt>nul 2>nul
pause
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