38 lines
679 B
Perl
38 lines
679 B
Perl
#!/usr/bin/env perl
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use strict;
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use warnings;
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use lib ($ENV{EUK_MODULES});
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use Fasta_reader;
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my $usage = "usage: $0 seqs.fasta\n\n";
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my $file = $ARGV[0] or die $usage;
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my %seq_to_header;
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my $fasta_reader = new Fasta_reader($file);
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while (my $seq_obj = $fasta_reader->next()) {
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my $sequence = $seq_obj->get_sequence();
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my $header = $seq_obj->get_header();
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if (exists $seq_to_header{$sequence}) {
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$seq_to_header{$sequence} .= "\t$header";
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}
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else {
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$seq_to_header{$sequence} = $header;
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}
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}
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foreach my $sequence (keys %seq_to_header) {
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my $header = $seq_to_header{$sequence};
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print ">$header\n$sequence\n";
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}
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exit(0);
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