https://bioinformaticsonline.com/snippets/view/43557/onliner-to-convert-multi-line-fasta-to-single-line-fasta? https://bioinformaticsonline.com/snippets/view/43557/onliner-to-convert-multi-line-fasta-to-single-line-fasta Wed, 20 Oct 2021 05:00:38 -0500 https://bioinformaticsonline.com/snippets/view/43557/onliner-to-convert-multi-line-fasta-to-single-line-fasta #Oneliner to convert awk '/^>/ {printf("\n%s\n",$0);next; } { printf("%s",$0);} END {printf("\n");}' < file.fa > fileres.fa #Then delete the first empty line tail -n +2 fileres.fa > fileout.fa]]> Abhi