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Multifasta 2 singlefasta cat toy.fasta| awk '{ if (substr($0, 1, 1)==">" {filename=(substr($0,2) ".fa")} print $0 > filename }' #Split #fasta #multifasta

Split a multi-FASTA file into individual FASTA files: awk '/^>/{s=++d".fa"} {print > s}' multi.fa #split #multifasta

#Split the #BAM file $ /home/urbe/Tools/bamtools/bin/bamtools split -in improved3.fasta.sorted.bam -reference #bamtools

Split the fasta $ pyfasta split -k 100 -o 20 input.fasta -n 1 #split #pyfasta #overlaps

#Split #multifasta $ cat hg18.fa | awk '{ if (substr($0, 1, 1)==">") {filename=(substr($0,2) ".fa")} print $0 > filename }'

Split the file in Linux with size. $ split --bytes=50M aaaa.fa #split #linux #size

Split the bam file by chromosome. $ bamtools split -in file.bam -reference #Split #Bam #Bamtools

Slice on the fly with perl: my ($username, $real_name) = (split /:/, $str)[0, 4]; #Perl #PerlTrick #Split

Split the text file with line number in Linux: wc -l abc.txt and then: split -l 60000 abc.txt #Split #Break #Line #Ubuntu #Linux #Tricks