Batcher

gawk "!a[$0]++" "a.txt" > "b.txt"COPY

推荐试试第三方命令行工具 gawk 处理速度比较快
http://bcn.bathome.net/s/tool/index.html?key=gawk

Batcher

回复 6# jrx401


这样应该可以再快点

(for /f "tokens=1,2 delims= " %%c in (A.txt) do (
    findstr /c:"%%c" B.txt>nul||echo %%c
))>B.txtCOPY