pcl_test

第三方

::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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bat+js，保存为bat运行

@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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