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#!/usr/bin/env perl
use strict;
use warnings;
my $usage = "usage: $0 token < trinity_fasta_files_listing\n\n";
my $token = $ARGV[0] or die $usage;
my $counter = 0;
while (<STDIN>) {
my $filename = $_;
chomp $filename;
unless (-e $filename) {
print STDERR "ERROR, filename: $filename is indicated to not exist.\n";
next;
}
if (-s $filename) {
$counter++;
open (my $fh, $filename) or die "Error, cannot open file $filename";
while (<$fh>) {
if (/>/) {
s/>/>${token}_${counter}\_/;
}
print;
}
}
}
exit(0);
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