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Tab file to FASTA file $ awk '{print ">"$1"\n"$2}' allSeq_tm.txt > allSeq_tm.fa #Fasta #Tab #Convert #Tab2Fasta

Replace space with tab. $ awk -v OFS="\t" '$1=$1' file1 #tab #space #replace #awk

Convert a SAM file to tab-delimited alignment coordinates https://gist.github.com/sjackman/7016520 #SAM #BAM #Convert #Tab

Replace space with tab: perl -lpe 's/\s/\t/g' < trf_file.dat > outfile.txt #TRF #Tab #Space #Replace #Perl #PerlTrick #PerlOneliner

Remove tab with comma in file: perl -lpe 's/\t/,/g' < flattened_line_0.fa.data > output.csv #PerlTrick #PerlO,liner #Perl #Tab #Comma