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CODE: [Copy to clipboard]注:最后一行必须换行为空行,否则和最后一行会出错findstr /xvg:a.txt b.txt>>c.txt
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CODE: [Copy to clipboard]gawk "NR==FNR{a[$0]=$0};NR!=FNR{if(!($0 in a))print $0}" old.txt new.txt > OK.txt
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