File: fastqc

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fastqc 0.11.8+dfsg-2
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#!/usr/bin/perl
use warnings;
use strict;
use FindBin qw($RealBin);
use Getopt::Long;

#####################################################################################
# Copyright Copyright 2010-17 Simon Andrews                                         #
#                                                                                   #
#    This file is part of FastQC.                                                   #
#                                                                                   #
#    FastQC 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.                                            #
#                                                                                   #
#    FastQC 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 FastQC; if not, write to the Free Software                          #
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA     #
#####################################################################################


# Check to see if they've mistakenly downloaded the source distribution
# since several people have made this mistake

if (-e "$RealBin/uk/ac/babraham/FastQC/FastQCApplication.java") {
	die "This is the source distribution of FastQC.  You need to get the compiled version if you want to run the program\n";
}

my $delimiter = ':';
my $JavaClasspathExtraDir="/usr/share/java";

if ($^O =~ /Win/) {
	$delimiter = ';';
}

if ($ENV{CLASSPATH}) {
	$ENV{CLASSPATH} .= "$delimiter";
	$ENV{CLASSPATH} .= "$JavaClasspathExtraDir/commons-math3.jar$delimiter$JavaClasspathExtraDir/htsjdk.jar$delimiter$JavaClasspathExtraDir/jbzip2.jar:$RealBin/fastqc.jar";
}

my @java_args;
my @files;

if ($^O =~/darwin/) {
		
	# Add the OSX specific options to use a standard OSX menu bar
	# and set the program name to something sensible.
				
	push @java_args, '-Xdock:name=FastQC';
	push @java_args, "-Xdock:icon=$RealBin/../Resources/seqmonk.icns";
	push @java_args, '-Dapple.laf.useScreenMenuBar=true';
	
}

# We now need to scan the command line for switches which we're going
# to pass on to the main java program.

my $version;
my $help;
my $outdir;
my $unzip;
my $format;
my $contaminant;
my $adapter;
my $limits;
my $threads;
my $quiet;
my $nogroup;
my $expgroup;
my $casava;
my $nofilter;
my $kmer_size;
my $temp_directory;
my $java_bin = 'java';
my $min_length;

my $result = GetOptions('version' => \$version,
						'help' => \$help,
						'quiet' => \$quiet,
						'nogroup' => \$nogroup,
						'expgroup' => \$expgroup,
						'outdir=s' => \$outdir,
						'extract!' => \$unzip,
						'format=s' => \$format,
						'threads=i' => \$threads,
						'kmers=i' => \$kmer_size,
						'casava' => \$casava,
						'nofilter' => \$nofilter,
						'contaminants=s' => \$contaminant,
						'adapters=s' => \$adapter,
						'limits=s' => \$limits,
						'dir=s' => \$temp_directory,
						'java=s' => \$java_bin,
						'min_length=i' => \$min_length,
						 );

# Check the simple stuff first

if ($help) {
	# Just print the help and exit
	print while(<DATA>);
	exit;
}

if ($version) {
	push @java_args ,"-Dfastqc.show_version=true";
}

# Now parse any additional options
if ($outdir) {
	unless(-e $outdir and -d $outdir) {
		die "Specified output directory '$outdir' does not exist\n";
	}
	
	push @java_args ,"-Dfastqc.output_dir=$outdir";
}

if ($contaminant)  {
	unless (-e $contaminant and -r $contaminant) {
		die "Contaminant file '$contaminant' did not exist, or could not be read\n";
	}
	push @java_args ,"-Dfastqc.contaminant_file=$contaminant";
}

if ($adapter)  {
	unless (-e $adapter and -r $adapter) {
		die "Adapters file '$adapter' did not exist, or could not be read\n";
	}
	push @java_args ,"-Dfastqc.adapter_file=$adapter";
}

if ($limits)  {
	unless (-e $limits and -r $limits) {
		die "Limits file '$limits' did not exist, or could not be read\n";
	}
	push @java_args ,"-Dfastqc.limits_file=$limits";
}

if ($temp_directory) {
	unless (-e $temp_directory and -d $temp_directory and -w $temp_directory) {
		die "Temp directory '$temp_directory' doesn't exist, or can't be written to\n";
	}
	push @java_args, "-Djava.io.tmpdir=$temp_directory";

}

if ($min_length) {
	push @java_args ,"-Dfastqc.min_length=$min_length";
}

if ($threads) {
	if ($threads < 1) {
		die "Number of threads must be a positive integer";
	}
	
	push @java_args ,"-Dfastqc.threads=$threads";
	my $memory = 250 * $threads;
	unshift @java_args,"-Xmx${memory}m";
}
else {
	unshift @java_args,'-Xmx250m';
}

if ($kmer_size) {
	unless ($kmer_size =~ /^\d+$/) {
		die "Kmer size '$kmer_size' was not a number";
	}
	
	if ($kmer_size < 2 or $kmer_size > 10) {
		die "Kmer size must be in the range 2-10";
	}
	
	push @java_args,"-Dfastqc.kmer_size=$kmer_size";
}

if ($quiet) {
	push @java_args ,"-Dfastqc.quiet=true";	
}

if ($casava) {
	push @java_args ,"-Dfastqc.casava=true";		
}


if ($nofilter) {
	push @java_args ,"-Dfastqc.nofilter=true";		
}


if ($nogroup) {
	push @java_args ,"-Dfastqc.nogroup=true";	
}

if ($expgroup) {
	if ($nogroup) {
		die "You can't specify both --expgroup and --nogroup in the same run\n";
	}	
	push @java_args ,"-Dfastqc.expgroup=true";
}

if (defined $unzip) {
	
	if ($unzip) {
		$unzip = 'true';
	}
	else {
		$unzip = 'false';
	}
	
	push @java_args,"-Dfastqc.unzip=$unzip";	
}

if ($format) {
	
	unless ($format eq 'bam' || $format eq 'sam' || $format eq 'fastq' || $format eq 'sam_mapped' || $format eq 'bam_mapped') {
		die "Unrecognised sequence format '$format', acceptable formats are bam,sam,bam_mapped,sam_mapped and fastq\n";
	}
	
	push @java_args,"-Dfastqc.sequence_format=$format";	
	
}

if ($java_bin ne 'java') {
#	$java_bin =~ s/\\/\//g;
	
	unless (-e $java_bin) {
		die "Couldn't find java interpreter at '$java_bin'";
	}
	
#	if ($java_bin =~ / /) {
#		$java_bin = "\"$java_bin\"";
#	}	
}


# We've found that on systems with large numbers of CPUs, and especially on systems
# where IO contention can occur, that the program can consume large amounts of CPU
# during parallel garbage collection.  Since interactive performance isn't really
# important when running non-interactively we'll limit the GC to using only a single
# thread if running with a list of filenames

if (@ARGV) {
	push @java_args,"-XX:ParallelGCThreads=1";
}


foreach (@ARGV) {
  if (/^\-D/) {
    push @java_args,$_;
  }
  else {
    push @files,$_;
  }
}

# This is set internally as well, but on some JREs it doesn't
# pick up the internally set value properly, so we'll set it
# outside as well which should work.
if (@files or $version or $help) {
	push @java_args, "-Djava.awt.headless=true";
}

#warn "Running 'exec $java_bin,@java_args, \"uk.ac.babraham.FastQC.FastQCApplication\", @files, CLASSPATH is $ENV{CLASSPATH}";


if ($java_bin ne 'java') {
	system $java_bin,@java_args,"-cp","/usr/share/java/fastqc.jar:$JavaClasspathExtraDir/commons-math3.jar$delimiter$JavaClasspathExtraDir/htsjdk.jar$delimiter$JavaClasspathExtraDir/jbzip2.jar","uk.ac.babraham.FastQC.FastQCApplication", @files;
}
else {
	exec $java_bin,@java_args,"-cp","/usr/share/java/fastqc.jar:$JavaClasspathExtraDir/commons-math3.jar$delimiter$JavaClasspathExtraDir/htsjdk.jar$delimiter$JavaClasspathExtraDir/jbzip2.jar","uk.ac.babraham.FastQC.FastQCApplication", @files;
}

__DATA__

            FastQC - A high throughput sequence QC analysis tool

SYNOPSIS

	fastqc seqfile1 seqfile2 .. seqfileN

    fastqc [-o output dir] [--(no)extract] [-f fastq|bam|sam] 
           [-c contaminant file] seqfile1 .. seqfileN

DESCRIPTION

    FastQC reads a set of sequence files and produces from each one a quality
    control report consisting of a number of different modules, each one of 
    which will help to identify a different potential type of problem in your
    data.
    
    If no files to process are specified on the command line then the program
    will start as an interactive graphical application.  If files are provided
    on the command line then the program will run with no user interaction
    required.  In this mode it is suitable for inclusion into a standardised
    analysis pipeline.
    
    The options for the program as as follows:
    
    -h --help       Print this help file and exit
    
    -v --version    Print the version of the program and exit
    
    -o --outdir     Create all output files in the specified output directory.
                    Please note that this directory must exist as the program
                    will not create it.  If this option is not set then the 
                    output file for each sequence file is created in the same
                    directory as the sequence file which was processed.
                    
    --casava        Files come from raw casava output. Files in the same sample
                    group (differing only by the group number) will be analysed
                    as a set rather than individually. Sequences with the filter
                    flag set in the header will be excluded from the analysis.
                    Files must have the same names given to them by casava
                    (including being gzipped and ending with .gz) otherwise they
                    won't be grouped together correctly.
                    
    --nofilter      If running with --casava then don't remove read flagged by
                    casava as poor quality when performing the QC analysis.
                   
    --extract       If set then the zipped output file will be uncompressed in
                    the same directory after it has been created.  By default
                    this option will be set if fastqc is run in non-interactive
                    mode.
                    
    -j --java       Provides the full path to the java binary you want to use to
                    launch fastqc. If not supplied then java is assumed to be in
                    your path.
                   
    --noextract     Do not uncompress the output file after creating it.  You
                    should set this option if you do not wish to uncompress
                    the output when running in non-interactive mode.
                    
    --nogroup       Disable grouping of bases for reads >50bp. All reports will
                    show data for every base in the read.  WARNING: Using this
                    option will cause fastqc to crash and burn if you use it on
                    really long reads, and your plots may end up a ridiculous size.
                    You have been warned!
                    
    --min_length    Sets an artificial lower limit on the length of the sequence
                    to be shown in the report.  As long as you set this to a value
                    greater or equal to your longest read length then this will be
                    the sequence length used to create your read groups.  This can
                    be useful for making directly comaparable statistics from 
                    datasets with somewhat variable read lengths.
                    
    -f --format     Bypasses the normal sequence file format detection and
                    forces the program to use the specified format.  Valid
                    formats are bam,sam,bam_mapped,sam_mapped and fastq
                    
    -t --threads    Specifies the number of files which can be processed
                    simultaneously.  Each thread will be allocated 250MB of
                    memory so you shouldn't run more threads than your
                    available memory will cope with, and not more than
                    6 threads on a 32 bit machine
                  
    -c              Specifies a non-default file which contains the list of
    --contaminants  contaminants to screen overrepresented sequences against.
                    The file must contain sets of named contaminants in the
                    form name[tab]sequence.  Lines prefixed with a hash will
                    be ignored.

    -a              Specifies a non-default file which contains the list of
    --adapters      adapter sequences which will be explicity searched against
                    the library. The file must contain sets of named adapters
                    in the form name[tab]sequence.  Lines prefixed with a hash
                    will be ignored.
                    
    -l              Specifies a non-default file which contains a set of criteria
    --limits        which will be used to determine the warn/error limits for the
                    various modules.  This file can also be used to selectively 
                    remove some modules from the output all together.  The format
                    needs to mirror the default limits.txt file found in the
                    Configuration folder.
                    
   -k --kmers       Specifies the length of Kmer to look for in the Kmer content
                    module. Specified Kmer length must be between 2 and 10. Default
                    length is 7 if not specified.
                    
   -q --quiet       Supress all progress messages on stdout and only report errors.
   
   -d --dir         Selects a directory to be used for temporary files written when
                    generating report images. Defaults to system temp directory if
                    not specified.
                    
BUGS

    Any bugs in fastqc should be reported either to simon.andrews@babraham.ac.uk
    or in www.bioinformatics.babraham.ac.uk/bugzilla/