20251125

2025-11-25 00:28:51 +08:00
commit eb3f16c30e
406 changed files with 91653 additions and 0 deletions
@@ -0,0 +1,37 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use lib ($ENV{EUK_MODULES});
+use Fasta_reader;
+
+
+my $usage = "usage: $0 seqs.fasta\n\n";
+
+my $file = $ARGV[0] or die $usage;
+
+my %seq_to_header;
+
+my $fasta_reader = new Fasta_reader($file);
+while (my $seq_obj = $fasta_reader->next()) {
+
+    my $sequence = $seq_obj->get_sequence();
+    my $header = $seq_obj->get_header();
+    
+    if (exists $seq_to_header{$sequence}) {
+        $seq_to_header{$sequence} .= "\t$header";
+    }
+    else {
+        $seq_to_header{$sequence} = $header;
+    }
+}
+
+foreach my $sequence (keys %seq_to_header) {
+    my $header = $seq_to_header{$sequence};
+
+    print ">$header\n$sequence\n";
+}
+
+exit(0);
+
+