BOL

Multi-line fasta to single line fasta $ perl -pe '/^>/ ? print "\n" : chomp' in.fasta | tail -n +2 > out.fasta #Multiline #Singleline #Fasta

#Multiline Fasta To #SingleLine Fasta $ awk '/^>/ {printf("\n%s\n",$0);next; } { printf("%s",$0);} END {printf("\n");}' < file.fa

perl -pe '/^>/ ? print "\n" : chomp' LR.fasta | tail -n +2 > out.fasta #singleLine #Multifasta #Multi2Single

#Convert a #multi-line #fasta to a #singleline #fasta $ awk '!/^>/ { printf "%s", $0; n = "\n" } /^>/ { print n $0; n = "" } END { printf "%s", n }' sample1.fa > sample1_singleline.fa