fasta splitter

Catherine Letondal letondal at
Tue Oct 8 18:11:11 UTC 2002

January Weiner 3 wrote:
> Hello,
> > almost, but not quite. This converts one file to many files containg one
> > sequence. I need something like a conversion of one file containing 1000
> > seqs to 10 files each  containing 100 seqs
> I wrote you a simple perl script which should do the job.  Save it to a
> file and make it executable (I think you are using a Unix-based system,
> aren't you?) with chmod a+x  To be on the safe side, put it in a
> new directory, and copy your sequence file to the same directory.  Now run
> ./ <filename> <number of sequences>
> ...where filename is the name of the file containing your 1000+ sequences,
> and <number of sequences> is the number of sequences you wish to have in
> each produced file.  The produced file will have the same name as the
> original file with the appendix .1, .2, .3 etc.
> I tried the script and it seems to work fine.  Meet the power of Perl :-)

For information, I have installed this script and the program is
available at:

Catherine Letondal -- Pasteur Institute Computing Center

More information about the EMBOSS mailing list