50 lines
975 B
Raku
50 lines
975 B
Raku
=pod
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Solutions to GRPH Rosalind problem
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Author: Peter Vlasveld
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=cut
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#!/usr/bin/perl
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use common::sense;
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#take in data
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open(IN, "rosalind_grph.txt") or die "Couldn't open input file";
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my @data = <IN>;
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close IN;
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#declare variables
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my (@headers, @DNA, @result);
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my $temp = "";
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#convert FASTA data into array of DNA strings and headers
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for (@data){
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unless (substr($_,0,1) eq '>'){
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$temp .= substr($_,0,-1);
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} else {
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push @headers, substr($_,0,-1);
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push @DNA, $temp;
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$temp = "";
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}
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}
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push @DNA, $temp;
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shift @DNA;
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#print @headers,"\n",@DNA,"\n";
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#write which headers overlap to @result
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for my $i (0..$#DNA){
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for my $j (0..$#DNA){
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print "$DNA[$i]$DNA[$j]\n";
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if ($DNA[$i] eq $DNA[$j]) { next; }
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elsif (substr($DNA[$i],-3) eq substr($DNA[$j],0,3)){
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push @result, substr($headers[$i],1)." ".substr($headers[$j],1);
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}
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}
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}
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#print result to file
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open(OUT, ">output.txt") or die "Couldn't open output file";
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for (@result){
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print OUT $_,"\n";
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}
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close OUT;
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