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snpgenie_dir_edits.pl
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snpgenie_dir_edits.pl
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#! /usr/bin/perl
# PROGRAM: SNPGenie is a Perl program that calculates dN/dS, piN/piS, and gene diversity
# from NGS SNP Reports generated from pooled DNA samples.
# Copyright (C) 2015, 2016, 2017 Chase W. Nelson
#########################################################################################
## LICENSE
## 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/>.
#########################################################################################
# DATE CREATED: April 10, 2015
# AUTHOR: Chase W. Nelson
# CONTACT1: [email protected]
# CONTACT2: [email protected]
# AFFILIATION1: Sackler Institute for Comparative Genomics, American Museum of Natural
# History, New York, NY 10024, USA
# AFFILIATION2: Special Volunteer, Division of Cancer Epidemiology & Genetics, National
# Cancer Institute, National Institutes of Health, Rockville, MD 20850, USA
# AFFILIATION3: BigPlant Consortium, Center for Genomics and Systems Biology, New York
# University, New York, NY 10003, USA
# CITATION1: SNPGenie, https://github.com/chasewnelson/snpgenie
# CITATION2: Nelson CW, Moncla LH, Hughes AL (2015) SNPGenie: estimating evolutionary
# parameters to detect natural selection using pooled next-generation sequencing data.
# Bioinformatics 31(22):3709-11, doi: 10.1093/bioinformatics/btv449.
use strict;
#use warnings;
use IO::Handle;
use Data::Dumper;
use File::Temp qw(tempfile);
use Getopt::Long;
use List::Util qw(max sum);
my $time1 = time;
my $local_time1 = localtime;
# Die if no arguments, explaining what they should be
#unless (@ARGV) {
# die "\nThis program accepts arguments:\n[1] Blah;\n[2] Blah2;\n[3] Blah3.\n\n";
#}
# GET THE TIME
# Initialize variables
my $minfreq; # the min. allele freq. to be considered (prop., not percentage)
my $snpreport;
my $vcfformat; ##SAMVCF
my $fastafile;
my $gtffile;
my $slidingwindow;
# Flag variables
my $clc_mode = 0;
my $geneious_mode = 0;
my $vcf_mode = 0;
my $generate_random_fastas = 0;
#my $progress_period_count = 0;
my @snp_report_file_names_arr;
my $the_fasta_file = '';
my @fasta_file_names_arr;
my $fasta_arr_size;
my $cds_file;
my $multi_fasta_mode;
my $param_file_contents = "SNPGenie parameter log.\n\n";
# Get user input, if given. If a Boolean argument is passed, its value is 1; else undef
GetOptions( "minfreq:f" => \$minfreq, # optional floating point parameter
"snpreport:s" => \$snpreport, # optional string parameter
"vcfformat:i" => \$vcfformat, # optional integer parameter ##SAMVCF
"fastafile:s" => \$fastafile, # optional string parameter
"multi_fasta_mode" => \$multi_fasta_mode, # optional Boolean parameter
"gtffile:s" => \$gtffile, # optional string parameter
"slidingwindow:i" => \$slidingwindow)
or die "\n## WARNING: Error in command line arguments. SNPGenie terminated.\n\n";
# N.B.: When an argument, e.g., slidingwindow, is called only as a flag, its value is 0
# When it is not called at all, it is null
# Create a directory for the results
if (-d "SNPGenie_Results") { # Can also use "./SNPGenie_Results"; use "-e" to check file
die "\n\n## WARNING:\n## The directory SNPGenie_Results already exists in the ".
"working directory.\n## Please rename or move this directory so a new one ".
"can be created.\n\n";
} else {
mkdir($snpreport."_SNPGenie_Results");
## Set OPTIONS given the user's INPUT and RECORD PARAMETERS
if(! $minfreq) {
$minfreq = 0;
$param_file_contents .= "MINIMUM ALLELE FREQUENCY: Default used; all SNPs included\n";
} elsif(($minfreq >= 1) || ($minfreq < 0)) {
die "\n## WARNING: The --minfreq option must be a decimal between 0 and 1\n".
"## SNPGenie terminated.\n\n";
} else {
$param_file_contents .= "MINIMUM ALLELE FREQUENCY: $minfreq\n";
}
if($slidingwindow > 0) {
$param_file_contents .= "SLIDING WINDOW LENGTH: $slidingwindow\n";
} else {
$param_file_contents .= "SLIDING WINDOW LENGTH: None\n";
}
if(! $multi_fasta_mode) {
$multi_fasta_mode = 0; # default behavior: no separate codon files for each SNP Report
$param_file_contents .= "MULTI-FASTA MODE: Default used; No\n";
} else {
$multi_fasta_mode = 1;
$param_file_contents .= "MULTI-FASTA MODE: Yes\n";
}
# Get SNP Report name(s)
if(! $snpreport) {
@snp_report_file_names_arr = &get_txt_file_names;
my @snp_report_file_names_ADD_arr = &get_csv_file_names;
my @snp_report_file_names_ADD_VCF_arr = &get_vcf_file_names;
push(@snp_report_file_names_arr,@snp_report_file_names_ADD_arr);
push(@snp_report_file_names_arr,@snp_report_file_names_ADD_VCF_arr);
$param_file_contents .= "SNP REPORTS: Default auto-detected file(s): @snp_report_file_names_arr\n";
} else {
@snp_report_file_names_arr = ($snpreport);
$param_file_contents .= "SNP REPORTS: User submitted file: $snpreport\n";
}
#print "\n@snp_report_file_names_arr\n\n";
if (scalar (@snp_report_file_names_arr) == 0) {
die "\n\n## WARNING: There are no SNP Reports. SNPGenie terminated.\n\n";
} else {
foreach(@snp_report_file_names_arr) {
if($_ =~ /\.vcf/ && ! $vcfformat) {
rmdir('SNPGenie_Results');
die "\n\n### WARNING: User must specify the specific SNP report format when using\n".
"### VCF files. Use the --vcfformat option. SNPGENIE TERMINATED.\n\n";
}
}
}
if(! $fastafile) {
@fasta_file_names_arr = &get_fasta_file_names;
#print "\nWorking directory fasta files are: @fasta_file_names_arr\n\n";
$param_file_contents .= "REFERENCE FASTA FILE: Default auto-detected file(s): @fasta_file_names_arr\n";
} else {
$fasta_file_names_arr[0] = $fastafile;
$param_file_contents .= "REFERENCE FASTA FILE: User submitted file: $fastafile\n";
}
$fasta_arr_size = scalar(@fasta_file_names_arr);
#print "\nThe size of the fasta array is $fasta_arr_size\n";
if($fasta_arr_size > 1) {
if(! $multi_fasta_mode) {
die "\n\n## WARNING: There are multiple FASTA (.fa or .fasta) files in the working directory.\n".
"## There must be only one reference genome in single-FASTA mode. SNPGenie terminated.\n\n";
}
} elsif($fasta_arr_size == 1) {
$the_fasta_file = $fasta_file_names_arr[0];
# Go through FASTA to make sure there's only one sequence
my $seen_seq = 0;
open (INFILE, $the_fasta_file);
while (<INFILE>) {
if (/>/) {
if($seen_seq == 0) {
$seen_seq = 1;
} else {
die "\n\n### WARNING: There are multiple sequences in the FASTA file.\n".
"### There must be only one reference genome. SNPGenie terminated.\n\n";
}
}
}
close INFILE;
} else {
die "\n\n## WARNING: There are no FASTA (.fa or .fasta) files in the working directory. ".
"SNPGenie terminated.\n\n";
}
if(! $gtffile) { # default behavior
$cds_file = &get_cds_file_name;
$param_file_contents .= "GTF FILE: Default auto-detected file: $cds_file\n";
} else {
$cds_file = $gtffile;
$param_file_contents .= "GTF FILE: User submitted file: $cds_file\n";
}
#print "\n@fasta_file_names_arr\n\n";
STDOUT->autoflush(1);
chdir($snpreport."_SNPGenie_Results");
open(PARAM_FILE,">>SNPGenie\_parameters\.txt");
print PARAM_FILE "$param_file_contents";
close PARAM_FILE;
### NUCLEOTIDE DIVERSITY FILE
open(OUTFILE_NT_DIV,">>codon\_results\.txt");
my $ntd_headers_to_print = "file\tproduct\tsite\tcodon\tnum_overlap_ORF_nts\t".
#"mean_coverage\t".
"N_diffs\tS_diffs\t";
$ntd_headers_to_print .= "N_sites\tS_sites\t";
$ntd_headers_to_print .= "N_sites_ref\tS_sites_ref\t";
#$ntd_headers_to_print .= "piN\tpiS\t";
$ntd_headers_to_print .= "N_diffs_vs_ref\tS_diffs_vs_ref\t".
"gdiv\tN_gdiv\tS_gdiv\n";
#$ntd_headers_to_print .= "mean_dN_vs_ref\tmean_dS_vs_ref\n"; # \tAverage_cov
print OUTFILE_NT_DIV "$ntd_headers_to_print";
close OUTFILE_NT_DIV;
### GENE DIVERSITY FILE
open(OUTFILE_GENE_DIV,">>site\_results\.txt");
print OUTFILE_GENE_DIV "file\tproduct\tsite\tref_nt\tmaj_nt\t".
"position_in_codon\t".
"overlapping_ORFs\tcodon_start_site\tcodon\tpi\t".
#"Polymorphic (Y=1; N=0)\t".
"gdiv\t".
"class_vs_ref\tclass\t".
"coverage\t".
"A\tC\tG\tT\n";
close OUTFILE_GENE_DIV;
### PRODUCT SUMMARY FILE
open(PRODUCT_SUMMARY,">>product\_results\.txt");
print PRODUCT_SUMMARY "file\tproduct\tN_diffs\tS_diffs\t".
"N_diffs_vs_ref\tS_diffs_vs_ref\t".
"N_sites\tS_sites\t".
"piN\tpiS\tmean_dN_vs_ref\tmean_dS_vs_ref\t".
"mean_gdiv_polymorphic\tmean_N_gdiv\tmean_S_gdiv\n";
close PRODUCT_SUMMARY;
### POPULATION SUMMARY NONCODING RESULTS
open(POP_SUMMARY,">>population\_summary\.txt");
print POP_SUMMARY "file\tsites\tsites_coding\tsites_noncoding\t".
"pi\tpi_coding\tpi_noncoding\t".
#"mean_nonsyn_diffs\tmean_syn_diffs\t".
#"mean_nonsyn_diffs_vs_ref\tmean_syn_diffs_vs_ref\t".
"N_sites\tS_sites\t".
"piN\tpiS\tmean_dN_vs_ref\tmean_dS_vs_ref\t".
"mean_gdiv_polymorphic\tmean_N_gdiv\tmean_S_gdiv\t".
"mean_gdiv\t".
"sites_polymorphic\t".
"mean_gdiv_coding_poly\t".
"sites_coding_poly\t".
"mean_gdiv_noncoding_poly\t".
"sites_noncoding_poly\n";
close POP_SUMMARY;
### A LOG file
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "file\tproduct\tsite\t".
"LOG\n";
close ERROR_FILE;
chdir('..');
}
# Hash for storing which product we've seen, just for error-reporting purposes
my %seen_product_early_stop_hash;
my %seen_no_start_hash;
my %seen_no_stop_hash;
# Executive error switches
my $exec_errors = 0;
my $warn_5nt = 0;
my $warn_frequencies = 0;
my $warn_file_type_not_supported = 0;
my $seen_sense_strand_products = 0;
my $SNP_report_counter = 0;
print "\n\n################################################################################".
"\n## ##".
"\n## SNPGenie Initiated! ##".
"\n## ##".
"\n################################################################################\n";
# Print LICENSE
print "\n ############################### LICENSE: #################################\n";
print " ## SNPGenie Copyright (C) 2015-18 Chase W. Nelson ##\n".
" ## This program comes with ABSOLUTELY NO WARRANTY; ##\n".
" ## This is free software, and you are welcome to redistribute it ##\n".
" ## under certain conditions; see LICENSE.txt. ##";
print "\n ############################################################################\n";
# GET THE TIME
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "NA\tNA\tNA\t".
"SNPGenie initiated at local time $local_time1\n";
close ERROR_FILE;
chdir('..');
if($minfreq > 0) {
print "\nYour MIN. MINOR ALLELE FREQ. is $minfreq. All variants falling below this frequency will be ignored.\n";
} else {
print "\nYou have not selected a MIN. MINOR ALLELE FREQ. All variants in the SNP report(s) will be included.\n";
}
# We will
# [1] determine whether COMPLEMENT ENTRIES are to be considered, and
# [2] if so, construct some way to DO EVERYTHING BELOW, but do it for the
# rev. complement SNP reports against the rev. complement FASTA with respect to the
# "-" strand records in the GTF file.
# Complement mode?
my $complementmode = &determine_complement_mode($cds_file);
# Announce and initialize REVERSE COMPLEMENT MODE
my %hh_compl_position_info; # REGARDLESS OF SNP REPORT. saved with respect to the + strand
#my @curr_compl_products;
my @curr_compl_products_ordered_by_start;
if($complementmode) {
print "\nThere are antisense ('-') strand records in the GTF file. COMPLEMENT MODE activated...\n";
chdir($snpreport."_SNPGenie_Results");
open(PARAM_FILE,">>SNPGenie\_parameters\.txt");
print PARAM_FILE "COMPLEMENT MODE: Yes\n";
close PARAM_FILE;
chdir('..');
# Look through the GTF file for the - strand entries
# translate the start and stop sites to + strand sites using $fasta_length
#my $rev_complement_seq = &reverse_complement_from_fasta($fasta_to_open);
#my $rev_compl_seq = &reverse_complement_from_fasta($the_fasta_file);
#my $seq_length = length($rev_compl_seq);
open(GTF_FILE_AGAIN, "$cds_file") or die "\nCould not open the GTF file $cds_file - $!\n\n";
while(<GTF_FILE_AGAIN>) { # each record in the GTF file
my $this_product;
# Reverse complement - strand
my $rev_compl_start; # Where the gene itself actually STOPS
my $rev_compl_stop; # Where the gene itself actually STARTS
if($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\t\s*gene_id\s*\"gene\:([\w\s\.\-\:']+)\"/) { # Line is - strand
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
} elsif($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\t\s*gene_id\s*\"([\w\s\.\-\:']+ [\w\s\.\-\:']+)\"/) {
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
} elsif($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\t\s*gene_id\s*\"([\w\s\.\-\:']+)\"/) {
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
# NOW, IN CASE transcript_id comes first
} elsif($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\ttranscript_id \"[\w\s\.\-\:']+\"\s*;\s*gene_id\s*\"gene\:([\w\s\.\-\:']+)\"/) {
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
} elsif($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\ttranscript_id \"[\w\s\.\-\:']+\"\s*;\s*gene_id\s*\"([\w\s\.\-\:']+ [\w\s\.\-\:']+)\"/) {
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
} elsif($_ =~ /CDS\t(\d+)\t(\d+)\t[\.\d]+\t\-\t\d+\ttranscript_id \"[\w\s\.\-\:']+\"\s*;\s*gene_id\s*\"([\w\s\.\-\:']+)\"/) {
$rev_compl_start = $1; # Where the gene itself actually STOPS
$rev_compl_stop = $2; # Where the gene itself actually STARTS
$this_product = $3;
}
# New segments approach for reverse complement - strand
if($rev_compl_start) { # it's a revcom record
#print "\nDo we ever get here 1? Yes, for $this_product\n";
# so we have this record's product name, start, and stop
my $curr_start_key = 'start_1';
my $curr_stop_key = 'stop_1';
my $segment_number = 1;
if(! $hh_compl_position_info{$this_product}->{$curr_start_key}) { # no first segment yet
#print "\nDo we ever get here 2? Yes, for $this_product\n";
if($this_product ne '') {
$hh_compl_position_info{$this_product}->{$curr_start_key} = $rev_compl_start;
$hh_compl_position_info{$this_product}->{$curr_stop_key} = $rev_compl_stop;
}
} else { # already a start_1
while($hh_compl_position_info{$this_product}->{$curr_start_key}) {
#print "\nDo we ever get here 3? Yes, for $this_product\n";
my $curr_segment_number = $segment_number;
$segment_number++;
$curr_start_key =~ s/\_$curr_segment_number/\_$segment_number/;
$curr_stop_key =~ s/\_$curr_segment_number/\_$segment_number/;
}
if($this_product ne '') {
$hh_compl_position_info{$this_product}->{$curr_start_key} = $rev_compl_start;
$hh_compl_position_info{$this_product}->{$curr_stop_key} = $rev_compl_stop;
}
}
# Store (initiate OR update) number of segments
$hh_compl_position_info{$this_product}->{num_segments} = $segment_number;
}
}
close GTF_FILE_AGAIN;
#@curr_compl_products = sort(keys %hh_compl_position_info);
@curr_compl_products_ordered_by_start = sort { $hh_compl_position_info{$a}->{start_1} <=> $hh_compl_position_info{$b}->{start_1} } keys %hh_compl_position_info;
#print "\nproduct\tstart\tstop\n";
#foreach (@curr_compl_products_ordered_by_start) {
# print "$_\t" . $hh_compl_position_info{$_}->{start_1} . "\t" . $hh_compl_position_info{$_}->{stop_1} . "\n";
#}
} else {
#print "\nThere are NO - strand records in the GTF file. COMPLEMENT MODE NOT activated...\n";
chdir($snpreport."_SNPGenie_Results");
open(PARAM_FILE,">>SNPGenie\_parameters\.txt");
print PARAM_FILE "COMPLEMENT MODE: No\n";
close PARAM_FILE;
chdir('..');
}
#foreach my $this_product(keys %hh_compl_position_info) {
# foreach(sort keys $hh_compl_position_info{$this_product}) {
# print "\n product $this_product key position $_\n";
# }
#}
# Streamline attainment of product coordinates
# All products should be in GTF file, so don't need to get them from SNP reports as before
my @product_names_arr = &get_product_names_from_gtf($cds_file);
@product_names_arr = sort {$a <=> $b} @product_names_arr;
# DIE if no sense + strand products seen
if(! $seen_sense_strand_products) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_WARNINGS\.txt");
print ERROR_FILE "$cds_file\tNA\tNA\t".
"Does not contain any sense (+) strand products. SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $cds_file does not contain any sense (+) strand products. SNPGenie terminated.\n\n";
}
# Determine all product coordinates from the start
my %product_coordinates_harr;
foreach my $product_name (@product_names_arr) {
#print "\nproduct name is: $product_name\n";
my @product_coord_arr = &get_product_coordinates($product_name);
#print "\n$product_name product_coord arr: @product_coord_arr\n";
# Save to a hash of arrays
push(@{$product_coordinates_harr{$product_name}->{product_coord_arr}},@product_coord_arr);
#print "\n$product_name product_coord arr in harr: @{$product_coordinates_harr{$product_name}->{product_coord_arr}} \n\n";
}
# Streamline bulding of sequence
# Using the fasta file, record the sequence in a variable
my $seq;
#my @seq_by_index_arr;
if(! $multi_fasta_mode) {
print "\nReading in FASTA file... ";
open (INFILE, $the_fasta_file);
while (<INFILE>) {
unless (/>/) {
chomp;
# CHOMP for 3 operating systems
if($_ =~ /\r\n$/) {
$_ =~ s/\r\n//;
} elsif($_ =~ /\r$/) {
$_ =~ s/\r//;
} elsif($_ =~ /\n$/) {
$_ =~ s/\n//;
}
$seq .= $_;
}
}
close INFILE;
print "COMPLETED.\n";
# In case it's lowercase
#$seq =~ tr/acgt/ACGT/;
$seq = uc($seq);
$seq =~ tr/U/T/;
# # Record in an array by index (old %seq_by_pos_hash)
# print "\nIndexing sequence... ";
#
# for (my $i = 0; $i < length($seq); $i++) {
# $seq_by_index_arr[$i] = substr($seq, $i, 1); # This is $position - 1
# }
# print "COMPLETED.\n";
}
#########################################################################################
# GENERATE TEMP VCF SNP REPORTS IFF FORMAT 4
my @temp_vcf4_file_names;
# If it's VCF file format 4, it's possible that there are multiple samples in the same
# VCF file. Unfortunately, SNPGenie is modular in the sense that I designed it to be run
# on ONE SNP REPORT. Thus, to make a quick fix and avoid rewriting the whole concept,
# we'll just make each sample into its own temporary SNP report.
if($vcfformat == 4) { # generate as many SNP reports as there are sample columns
# Find out if there is more than one sample by counting columns after FORMAT
#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT sample1
my $header_line = '';
open (ORIGINAL_SNP_REPORT, $snp_report_file_names_arr[0]); # always just one
while (<ORIGINAL_SNP_REPORT>) {
chomp;
if($_ =~ /^#(\w+)/) {
$header_line = $_;
if(!($_ =~/\t/)) {
die "\n\n## WARNING:\n## The SNP Report $snp_report_file_names_arr[0] is ".
"not TAB-delimited (\\t), or there is only one column.\n\n";
}
last;
}
}
close ORIGINAL_SNP_REPORT;
if($header_line eq '') {
die "\n\n## WARNING:\n## The SNP Report $snp_report_file_names_arr[0] has no header." .
"\n## TERMINATED.\n\n";
}
$header_line =~ s/^#//;
#print "\nHEADER LINE IS: $header_line\n\n";
my @header_arr = split("\t",$header_line,-1);
#print "\nHEADER ARRAY IS: @header_arr\n\n";
# Determine the INDEX of FORMAT
my $FORMAT_index;
for (my $vcf_i = 0; $vcf_i < scalar(@header_arr); $vcf_i++) {
if($header_arr[$vcf_i] eq 'FORMAT') {
$FORMAT_index = $vcf_i;
last;
}
}
# Count the number of samples
my $num_samples = 0;
my @sample_names;
for(my $samp_index = $FORMAT_index+1; $samp_index < scalar(@header_arr); $samp_index++) {
if($header_arr[$samp_index] =~ /[\w\d\_\.]+/) {
$num_samples++;
push(@sample_names, $&);
}
}
#print "\n### VCF FORMAT 4 with $num_samples samples.\n\n";
# Generate TEMP VCF SNP reports, ranging from index ($FORMAT_index+1) to ($FORMAT_index+$num_samples)
for(my $sample_index = ($FORMAT_index+1); $sample_index <= ($FORMAT_index+$num_samples); $sample_index++) {
my $new_temp_vcf4_file_name = 'temp_vcf4_' . $header_arr[$sample_index] . '.vcf';
push(@temp_vcf4_file_names, $new_temp_vcf4_file_name);
print "Creating $new_temp_vcf4_file_name\...\n";
if(-f "$new_temp_vcf4_file_name") {
warn "\n\n### WARNING: $new_temp_vcf4_file_name already present. Replacing...\n\n";
unlink $new_temp_vcf4_file_name; # just in case
}
open(THIS_NEW_VCF,">>$new_temp_vcf4_file_name");
# Find out if there is more than one sample by counting columns after FORMAT
#CHROM POS ID REF ALT QUAL FILTER INFO FORMAT sample1
my $header_line;
open (ORIGINAL_SNP_REPORT, $snp_report_file_names_arr[0]); # always just one
my $seen_vcf4_header = 0;
while (<ORIGINAL_SNP_REPORT>) {
chomp;
if($_ =~ /^##(\w+)/) { # STILL METADATA; print
print THIS_NEW_VCF "$_\n";
} elsif($_ =~ /^#(\w+)/) { # header
my $this_new_header_line = '#';
for(my $vcf_i = 0; $vcf_i <= $FORMAT_index; $vcf_i++) {
$this_new_header_line .= "$header_arr[$vcf_i]\t";
}
$this_new_header_line .= "$header_arr[$sample_index]";
print THIS_NEW_VCF "$this_new_header_line\n";
$seen_vcf4_header = 1;
} elsif($seen_vcf4_header == 1) {
my @this_line_arr = split(/\t/,$_,-1);
my $this_new_variant_line;
# This will include records with 0 coverage; eliminate later
for(my $vcf_i = 0; $vcf_i <= $FORMAT_index; $vcf_i++) {
$this_new_variant_line .= "$this_line_arr[$vcf_i]\t";
}
$this_new_variant_line .= "$this_line_arr[$sample_index]";
print THIS_NEW_VCF "$this_new_variant_line\n";
}
}
close ORIGINAL_SNP_REPORT;
close THIS_NEW_VCF;
}
@snp_report_file_names_arr = @temp_vcf4_file_names; # THESE are the SNP REPORTS now
}
#########################################################################################
# WNV pseudogenic code
# FOR METAPOPULATION STORAGE -- provided all sites are with respect to the same reference
#my %master_frequencies_hh; # $master_frequencies_hh -> {site_num} -> {@A_props_arr}/{@C_props_arr}/{@G_props_arr}/{@T_props_arr}
#########################################################################################
# PROCESS THE SNP REPORTS
foreach my $curr_snp_report_name (@snp_report_file_names_arr) {
my $file_nm = $curr_snp_report_name;
#my $curr_newline = &detect_newline_char($curr_snp_report_name);
#$/ = $curr_newline;
my %h_nc_results;
my $seen_percent_warning = 0;
print "\n\n########################### CURRENTLY PROCESSING: ###########################\n".
"$file_nm... ";
#print "\n\n$_\n\n";
if($multi_fasta_mode) {
my $did_we_detect = 0;
my $snp_report_prefix;
if($file_nm =~ /^([\w\.]+?)_/) {
$snp_report_prefix = $1;
}
foreach my $potential_fasta (@fasta_file_names_arr) {
my $potential_fasta_prefix;
if($potential_fasta =~ /^$snp_report_prefix\_/) {
$the_fasta_file = $potential_fasta;
$did_we_detect = 1;
last;
}
}
unless($did_we_detect == 1) {
die "\n\nWe did not detect a FASTA for $file_nm in multi-fasta mode\n\n";
}
print "\nReading in FASTA file $the_fasta_file\... ";
$seq = '';
open (INFILE, $the_fasta_file);
while (<INFILE>) {
unless (/>/) {
chomp;
# CHOMP for 3 operating systems
if($_ =~ /\r\n$/) {
$_ =~ s/\r\n//;
} elsif($_ =~ /\r$/) {
$_ =~ s/\r//;
} elsif($_ =~ /\n$/) {
$_ =~ s/\n//;
}
$seq .= $_;
}
}
close INFILE;
print "COMPLETED.\n";
# In case it's lowercase
#$seq =~ tr/acgt/ACGT/;
$seq = uc($seq);
$seq =~ tr/U/T/;
# # Record in an array by index (old %seq_by_pos_hash)
# print "\nIndexing sequence... ";
#
# # THIS WILL OVERWRITE
# for (my $i = 0; $i < length($seq); $i++) {
# $seq_by_index_arr[$i] = substr($seq,$i,1); # This is $position - 1
# }
# print "COMPLETED.\n";
} # end recording of individual FASTA in multi-FASTA mode
# Generate new file name prefix
my $new_file_prefix;
if($curr_snp_report_name =~/\.txt/) {
$new_file_prefix = $`;
} elsif($curr_snp_report_name =~/\.csv/) {
$new_file_prefix = $`;
} else {
$new_file_prefix = "inFile";
}
#print "\nPrefix for $curr_snp_report_name: $new_file_prefix\n\n";
# At first, created the tempfile before getting its headers; we've reversed the
# order so we can determine the format of the SNP Report (e.g., Geneious or CLC)
# before creating the tempfile. Should not create problems.
my @header_names_arr = &get_header_names($curr_snp_report_name,$curr_snp_report_name);
#print "@header_names_arr";
# CHECK FOR NON-CLC SNP REPORT, and reset the MODE if so
foreach (@header_names_arr) {
if($_ eq 'Minimum' || $_ eq 'Polymorphism Type' || $_ eq 'Change') {
# Switch to GENEIOUS mode
$geneious_mode = 1;
$clc_mode = 0;
$vcf_mode = 0;
#print "\n\nWe are in GENEIOUS MODE!\n\n";
} elsif($_ eq 'Reference Position' || $_ eq 'Overlapping annotations') {
# We remain in CLC mode
$geneious_mode = 0;
$clc_mode = 1;
$vcf_mode = 0;
#print "\n\nWe are in CLC MODE!\n\n";
} elsif($curr_snp_report_name =~ /\.vcf/) {
# Switch to VCF mode
$geneious_mode = 0;
$clc_mode = 0;
$vcf_mode = 1;
}
}
##SAMVCF: changed to simple Boolean
if($geneious_mode && ! $clc_mode && ! $vcf_mode) {
print "GENEIOUS format detected\n";
} elsif(! $geneious_mode && $clc_mode && ! $vcf_mode) {
print "CLC GENOMICS WORKBENCH format detected\n";
} elsif(! $geneious_mode && ! $clc_mode && $vcf_mode) {
print "VCF format detected\n";
} else {
die "\n## WARNING: Conflicting SNP Report formats detected. Does the file extension match expectation? If not, please contact author. ".
"## SNPGenie TERMINATED.\n\n";
}
# Create tempfiles
my $temp_snp_report_TEMPLATE = "temp_snp_report_XXXX";
# Remember, the following automatically OPENS the file, too.
my ($TEMP_SNP_REPORT_HANDLE,$temp_snp_report_name) =
tempfile($temp_snp_report_TEMPLATE, SUFFIX => ".txt", UNLINK => 1);
#print "\n\n\nTEMP FILE: $temp_snp_report_name\n\n\n";
##SAMVCF: changed to simple Boolean
# POPULATE the temporary file based on FORMAT MODE
if($clc_mode) {
&populate_tempfile_clc($curr_snp_report_name, $temp_snp_report_name);
$curr_snp_report_name = $temp_snp_report_name;
} elsif($geneious_mode) {
# (1) snpgenie_prep_geneious;
# (2) snpgnie_geneious_to_clc;
&populate_tempfile_geneious($curr_snp_report_name, $temp_snp_report_name);
$curr_snp_report_name = $temp_snp_report_name;
} elsif($vcf_mode) {
if(! $vcfformat) {
die "\n## WARNING: User must specify VCF format, e.g., --vcfformat=4. ".
"## SNPGenie TERMINATED.\n\n";
}
&populate_tempfile_vcf($curr_snp_report_name, $temp_snp_report_name, $cds_file);
$curr_snp_report_name = $temp_snp_report_name;
}
# Includes the automatic deletion of the tempfile afterwards.
my @new_header_names_arr = &get_header_names($curr_snp_report_name,$file_nm);
@header_names_arr = @new_header_names_arr;
#print "\n\nHEADER:\n@header_names_arr\n\n";
my $index_ref_pos;
my $index_type;
my $index_ref;
my $index_allele;
my $index_count;
my $index_cov;
my $index_freq;
my $index_over_annot;
#my $index_cod_reg_chg;
#my $index_ami_aci_chg;
my $seen_index_ref_pos = 0;
my $seen_index_type = 0;
my $seen_index_ref = 0;
my $seen_index_allele = 0;
my $seen_index_count = 0;
my $seen_index_cov = 0;
my $seen_index_freq = 0;
my $seen_index_over_annot = 0;
#my $seen_index_cod_reg_chg = 0;
#my $seen_index_ami_aci_chg = 0;
#print "\nref_pos: $index_ref_pos length: $index_len ref: $index_ref allele: $index_allele ".
# "count: $index_count cov: $index_cov freq: $index_freq over_annot: $index_over_annot ".
# "cod_reg_chg: $index_cod_reg_chg amino acid chg: $index_ami_aci_chg\n";
#print "\n\n$_\n\n";
# Determine the index of each column -- this is CLC
for (my $i=0; $i<scalar(@header_names_arr); $i++) {
if ($header_names_arr[$i] =~ /Reference Position/) {
$index_ref_pos = $i;
$seen_index_ref_pos = 1;
} elsif ($header_names_arr[$i] =~ /Type/) {
$index_type = $i;
$seen_index_type = 1;
} elsif ($header_names_arr[$i] =~ /Reference/) { # Since this comes AFTER
# "Reference Position, we're fine
$index_ref = $i;
$seen_index_ref = 1;
} elsif ($header_names_arr[$i] =~ /Allele/) {
$index_allele = $i;
$seen_index_allele = 1;
} elsif ($header_names_arr[$i] =~ /Count/) {
$index_count = $i;
$seen_index_count = 1;
} elsif ($header_names_arr[$i] =~ /Coverage/) {
$index_cov = $i;
$seen_index_cov = 1;
} elsif ($header_names_arr[$i] =~ /Frequency/) {
$index_freq = $i;
$seen_index_freq = 1;
} elsif ($header_names_arr[$i] =~ /Overlapping annotations/) {
$index_over_annot = $i;
$seen_index_over_annot = 1;
# } elsif ($header_names_arr[$i] =~ /Coding region change/) {
# $index_cod_reg_chg = $i;
# $seen_index_cod_reg_chg = 1;
# } elsif ($header_names_arr[$i] =~ /Amino acid change/) {
# $index_ami_aci_chg = $i;
# $seen_index_ami_aci_chg = 1;
}
}
if($seen_index_ref_pos == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Reference Position\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Reference Position\". SNPGenie terminated.\n\n";
} elsif($seen_index_type == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Type\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Type\". SNPGenie terminated.\n\n";
} elsif($seen_index_ref == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Reference\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Reference\". SNPGenie terminated.\n\n";
} elsif($seen_index_allele == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Allele\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Allele\". SNPGenie terminated.\n\n";
} elsif($seen_index_count == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Count\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Count\". SNPGenie terminated.\n\n";
} elsif($seen_index_cov == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Coverage\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Coverage\". SNPGenie terminated.\n\n";
} elsif($seen_index_freq == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Frequency\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Frequency\". SNPGenie terminated.\n\n";
} elsif($seen_index_over_annot == 0) {
chdir($snpreport."_SNPGenie_Results");
open(ERROR_FILE,">>SNPGenie\_LOG\.txt");
print ERROR_FILE "$file_nm\tNA\tNA\t".
"Does not contain the column header \"Overlapping annotations\". SNPGenie terminated.\n";
close ERROR_FILE;
chdir('..');
die "\n\n## WARNING: $file_nm does not contain the column header \"Overlapping annotations\". SNPGenie terminated.\n\n";
}
#print "\n\n$_\n\n";
#print "\n\nAll my product names are: @product_names_arr\n\n";
# Now we have a specific file we're looking at ($curr_snp_report_name), and we
# know all the names of products within that file (stored in @product_names_arr),
# and we know all the names of fasta files in this directory (stored in
# @fasta_file_names_arr). So we have to identify the products in their names,
# taking special care with the HA's -- HA, HA1, HA2
# Now we have, for the current SNP Report we're examining, the fasta files to which
# each of the products refer, in the hash %products_to_fasta_file
# Next, let's store the contents of the SNP Report in a hash of hashes, with the
# outer key as the product, followed by and making sure to store the name of the
# associated fasta file
my %hh_product_position_info; # For THIS SNP REPORT only. SEE EXAMPLE BELOW.
# Early example:
#my %hh_example = (
# 'HA' => {
# 'start' => 666,
# 'stop' =>,
# 158 => {
# 'fasta' => $product_to_fasta_file{'HA'},
# 'ref' => 'C',
# 'cov' => 3002,
# 'A' => 0,
# 'C' => 0,
# 'G' => 0,
# 'T' => 0
# },
# 160 => {
# 'A' => 0,
# 'C' => 0,
# 'G' => 0,
# 'T' => 0
# }
# },
# 'NA' => {
# 158 => {
# 'A' => 0,
# 'C' => 0,
# 'G' => 0,
# 'T' => 0
# },
# 160 => {
# 'A' => 0,
# 'C' => 0,
# 'G' => 0,