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#!/usr/bin/env perl
use strict;
use warnings;
# make sure delimiter is properly escaped, e.g. for "+" we need "\+".
my $delimiter = $ARGV[0];
my $infile = $ARGV[1];
my $infilename = `basename $infile`;
chomp $infilename;
open(IN, $infile) or die "Can't read $infile\n";
open(A,">$infilename.a") or die "Can't write $infilename.a\n";
open(B,">$infilename.b") or die "Can't write $infilename.b\n";
my $fastaHeader = "";
my $outfile = *A;
while(<IN>)
{
chomp;
if(/^>/)
{
$outfile = *A;
$fastaHeader = $_;
print A "$fastaHeader\n";
print B "$fastaHeader\n";
}
else
{
if ( /(.*)$delimiter(.*)/)
{
print A "$1\n";
print B "$2\n";
$outfile = *B;
}
else
{
print $outfile "$_\n";
}
}
}
close IN;
close A;
close B;
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