On Oct 4, s wang said:

>i have just started writing some scripts in PERL and i am trying to catch
>a deadline, i really wish i could get some help for this problem. any
>suggestion is greatly appreciated.
>
>i have a set of files with sequences aligned in the following format. i
>wonder how i can eliminate the new line characters within each sequence
>without touching those between sequences?

Heh, a much simpler way is:

  open DNA, "< dna.txt" or die "can't read dna.txt: $!";
  open NEW_DNA, "> dna.txt.new" or die "can't write dna.txt.new: $!";

  {
    local $/ = "";
    while (<DNA>) {
      chomp;  # get rid of the newlines at the end...
      tr/\n//d;  # get rid of the newlines in the text...
      print NEW_DNA "$_\n\n";  # and replace the newlines at the end
    }
  }

  close NEW_DNA;
  close DNA;

-- 
Jeff "japhy" Pinyan      [EMAIL PROTECTED]      http://www.pobox.com/~japhy/
RPI Acacia brother #734   http://www.perlmonks.org/   http://www.cpan.org/
** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
<stu> what does y/// stand for?  <tenderpuss> why, yansliterate of course.
[  I'm looking for programming work.  If you like my work, let me know.  ]


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