fasta splitter

[Catherine Letondal]

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 split.pl.  To be on the safe side, put it in a
> new directory, and copy your sequence file to the same directory.  Now run
> 
> ./split.pl <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: http://bioweb.pasteur.fr/seqanal/interfaces/fastasplitter.html

--
Catherine Letondal -- Pasteur Institute Computing Center