in reply to Comparison between files and report
perl -e 'open(ARQ1, "<arq1");open(ARQ2, "<arq2"); open(OUT, ">outputfi +le");$arq.=$_ while <ARQ1>; $arq=~s/\n/|/g; while(<ARQ2>){print OUT u +nless /^($arq)$/}' [download]