I'll bet you can get some specific ideas by observing what others have already done: Super Search where title contains all of "fasta", "file"

?node_id=3989;HIT=fasta%20file;re=N

2011-04-25 vouchsafing How to read and write several DNA sequences in the format FASTA placed in one file? SoPW
2011-02-08 krish28 Splitting a multi-sequence fasta file into individual sequences in individual arrays SoPW
2010-11-30 InfoSeeker Compare fasta files with different headers SoPW
2010-11-22 egorleg How do i write code for searching motifs in a FASTA file? SoPW
2010-07-30 newbie25 combine 2 fasta files into 1 SoPW
2010-07-27 Anonymous Monk Bioinformatics: Slow Parsing of a Fasta File SoPW
2010-04-08 RabidMortal simple perl script to trim a FASTA file SoPW
2009-10-29 Anonymous Monk Parse DNA fasta file SoPW
2009-06-29 statsman5 Extracting DNA sequences from FASTA files SoPW
2009-05-06 lomSpace splitting fasta file into individual fasta files SoPW
2008-09-11 ashnator While loop printing only one fasta header file SoPW
2008-07-28 nemo2 comparing two fasta files SoPW
2005-07-10 Nadiah extracting open reading frame (ORF) from a FASTA file SoPW
2003-11-18 bioinformatics Refomating a large fasta file... SoPW
2003-03-12 clairudjinn File::Wrap and Fasta format Snippet
2002-04-25 lolly Base sequence length in fasta format file SoPW

Please update your post, placing your data inside "code" tags: Writeup Formatting Tips

In reply to Re: How to read and write several DNA sequences in the format FASTA placed in one file? by toolic
in thread How to read and write several DNA sequences in the format FASTA placed in one file? by vouchsafing

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.