Question: Csplit Multifasta File Into A *Smaller Multifasta File
gravatar for neal.platt
6.8 years ago by
United States
neal.platt220 wrote:

I am trying to split a large multifasta file into several smaller mutlifasta files. I have seen several examples of csplit being used to split multifasta files into single fasta, but for our purposes this is less than ideal.

I have been using the following command:

  csplit -kf fastafile '%^>%' '/^>/' "{10}"

How would I modify this to generate a file with 10 fasta sequences rather than splitting at individual fasta headers (>).

Would awk be more useful?

Thanks for the help in advance.

fasta split • 3.5k views
ADD COMMENTlink written 6.8 years ago by neal.platt220
gravatar for Istvan Albert
6.8 years ago by
Istvan Albert ♦♦ 80k
University Park, USA
Istvan Albert ♦♦ 80k wrote:

From your description I am not exactly sure how you want to split your file but there are a number of posts on splitting fasta files, perhaps those help


ADD COMMENTlink written 6.8 years ago by Istvan Albert ♦♦ 80k
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