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Top Forums Shell Programming and Scripting Perl to adjust coordinates based on repeat string Post 303021932 by Aia on Monday 20th of August 2018 07:00:46 PM
Old 08-20-2018
Quote:
Originally Posted by cmccabe
[...] Can the header be included with each sequence and if there is no repeat in that sequence Nothing Detected results? [...]
Two changes, then. Make the subroutine range_match() to return matches and create a display() subroutine.

Code:
#!/usr/bin/perl
use strict;
use warnings;

my @fasta = ();
my @m_results = ();

while(<>) {
    chomp;
    if(/^>/){
        if (@fasta) {
            @m_results = range_match(\@fasta);
            display();
        }
        @fasta = ();
        push @fasta, $_;
        next;
    }
    $fasta[1] .= $_;
}
@m_results = range_match(\@fasta);
display();

sub range_match {
    my $fref = shift;
    my @matches;
    my ($header, $seq) = @{$fref};
    my ($mark, $beginning, $end) = split /[:-]/, (split/\s+/, $header)[1];

    while($seq =~ /[tT]{4}/g) {
        my $first = "@-" + 1;
        my $last = "@+";
        push @matches, sprintf "%s %s:%s-%s\n", $&, $mark, ($beginning + $first), ($beginning + $last);
    }
    return @matches;
}

sub display {
    print "$fasta[0]\n";
    print @m_results ? @m_results : "Nothing Detected\n";
    @m_results = ();
}

This User Gave Thanks to Aia For This Post:
 

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REPROF(1)							   User Commands							 REPROF(1)

NAME
reprof - predict protein secondary structure and solvent accessibility SYNOPSIS
reprof -i [query.blastPsiMat] [OPTIONS] reprof -i [query.fasta] [OPTIONS] reprof -i [query.blastPsiMat|query.fasta] --mutations [mutations.txt] [OPTIONS] DESCRIPTION
Predict protein secondary structure and solvent accessibility. Output Format The output format is self-explanatory, i.e. the colums of the output are described in the output file itself. OPTIONS
-i, --input=FILE Input BLAST PSSM matrix file (from Blast -Q option) or input (single) FASTA file. -o, --out=FILE Either an output file or a directory. If not provided or a directory, the suffix of the input filename (i.e. .fasta or .blastPsiMat) is replaced to create an output filename. --mutations=[all|FILE] Either the keyword "all" to predict all possible mutations or a file containing mutations one per line such as "C12M" for C is mutated to M on position 12: C30Y R31W G48D This mutation code is also attached to the output filename using "_". An additional file ending "_ORI" contains the prediction using no evolutionary information even if a BLAST PSSM matrix was provided. --modeldir=DIR Directory where the model and feature files are stored. Default: /usr/share/reprof. AUTHOR
Peter Hoenigschmid hoenigschmid@rostlab.org, Burkhard Rost EXAMPLES
Prediction from BLAST PSSM matrix for best results: reprof -i /usr/share/doc/reprof/examples/example.Q -o /tmp/example.Q.reprof Prediction from FASTA file: reprof -i /usr/share/doc/reprof/examples/example.fasta -o /tmp/example.fasta.reprof Prediction from BLAST PSSM matrix file using the mutation mode: reprof -i /usr/share/doc/reprof/examples/example.Q -o /tmp/mutations_example.Q.reprof --mutations /usr/share/doc/reprof/examples/mutations.txt # Result files for the above call are going to be: # /tmp/mutations_example.Q.{reprof,reprof_F172P,reprof_M1Q,reprof_N34Y,reprof_ORI} - see --mutations for a description of the extensions. COPYRIGHT
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. BUGS
https://rostlab.org/bugzilla3/enter_bug.cgi?product=reprof SEE ALSO
blast2(1) http://rostlab.org/ 1.0.1 2012-01-13 REPROF(1)
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