User:ShawnDouglas

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-'''ins-contig.pl''' - uses loop to insert random contigs via insert-contig.php+'''ins-contig.pl''' - inserts 1 contig
<pre> <pre>
-#!/usr/bin/perl -w  
- 
-use strict;  
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $group = "a";  
-#my $group = "b";  
-#my $group = "c";  
-my $description = "foo"; 
- 
-for (my $i = 100; $i < 110; $i++) { # insert 10 contigs  
- 
- my $roll; 
- my $seq = ""; 
- 
- for (my $j = 0; $j < 20; $j++) { # sequences 20 bp long 
- my $base; 
- $roll = int(rand 4) + 1; 
- if ($roll == 1) {$base = "A";} 
- elsif ($roll == 2) {$base = "T";} 
- elsif ($roll == 3) {$base = "C";} 
- elsif ($roll == 4) {$base = "G";} 
- $seq = $seq . "$base"; 
- }  
- 
- #print "$i $seq\n"; 
- 
- my $insert = 'http://personalgenome.org/101/insert-contig.php?'.  
- "group=$group". 
- "&id=$i".  
- "&sequence=$seq". 
- "&description=$description"; 
- 
- my $req = HTTP::Request->new(GET => "$insert"); 
- $req->header(Accept => 'text/html'); 
-  
- # send request to server and get response back 
- my $res = $ua->request($req); 
-  
- # check the outcome 
- if ($res->is_success) { 
- print $res->content; # for instance  
- } else { 
- print "Error: " . $res->status_line . "\n"; 
- } 
- 
-} 
</pre> </pre>
-'''get-contig.pl''' - retrieves entire contents of contig table for specified group+'''get-contig.pl''' - gets 1 contig for specified id
- +
<pre> <pre>
-#!/usr/bin/perl -w 
- 
-use strict; 
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $group = "a"; 
-#my $group = "b"; 
-#my $group = "c"; 
- 
-my $query = "http://personalgenome.org/101/contig.php?group=$group"; 
- 
-my $req = HTTP::Request->new(GET => "$query"); 
-$req->header(Accept => 'text/html'); 
- 
-# send request to server and get response back 
-my $res = $ua->request($req); 
- 
-# check the outcome 
-if ($res->is_success) { 
-print $res->content; # for instance 
-} else { 
- print "Error: " . $res->status_line . "\n"; 
-} 
</pre> </pre>
-----+'''get-all-contig.pl''' - gets all contigs in the table
- +
-'''ins-subst.pl'''+
<pre> <pre>
-#!/usr/bin/perl -w  
- 
-use strict;  
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $group = "a"; # uncomment appropriate group 
-#my $group = "b";  
-#my $group = "c";  
- 
-my $id; # unique identifier for substitution record (int) 
-my $genotype_id = 4; # placeholder to point to separate genotype table (int) 
-my $contig_id = "100"; # id of previously inserted contig (int) 
-my $pos = 0; # position of substitution (int) 
-my $base; # new base (A, T, C, G) (char) 
- 
-for (my $i = 1; $i < 10; $i++) { # 10 subsitutions 
- 
- my $roll = int(rand 4) + 1; 
- if ($roll == 1) {$base = "A";} 
- elsif ($roll == 2) {$base = "T";} 
- elsif ($roll == 3) {$base = "C";} 
- elsif ($roll == 4) {$base = "G";} 
- 
- my $jump = int(rand 1000) + 1; # random distance to next position of substitution 
- $pos += $jump; 
- 
- my $insert = 'http://personalgenome.org/101/insert-substitution.php?'.  
- "group=$group". 
- "&id=$i". # we use $i as the id 
- "&genotype_id=$genotype_id". 
- "&contig_id=$contig_id". 
- "&pos=$pos". 
- "&bp=$base"; 
- 
- my $req = HTTP::Request->new(GET => "$insert"); 
- $req->header(Accept => 'text/html'); 
-  
- # send request to server and get response back 
- my $res = $ua->request($req); 
-  
- # check the outcome 
- if ($res->is_success) { 
- print $res->content; # for instance  
- } else { 
- print "Error: " . $res->status_line . "\n"; 
- } 
- 
-} 
- 
</pre> </pre>
-'''get-subst.pl'''+'''ins-subst.pl''' - loops through insertions of substitutions
<pre> <pre>
-#!/usr/bin/perl -w 
- 
-use strict; 
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $group = "a"; 
-#my $group = "b"; 
-#my $group = "c"; 
- 
-my $id = 3; # id of the substitution to retrieve 
- 
-my $query = "http://personalgenome.org/101/substitution.php?group=$group&id=$id"; 
- 
-my $req = HTTP::Request->new(GET => "$query"); 
-$req->header(Accept => 'text/html'); 
- 
-# send request to server and get response back 
-my $res = $ua->request($req); 
- 
-# check the outcome 
-if ($res->is_success) { 
-print $res->content; # for instance 
-} else { 
- print "Error: " . $res->status_line . "\n"; 
-} 
</pre> </pre>
- +'''get-subst.pl''' - gets substitution by id
-'''get-all-subst.pl'''+
<pre> <pre>
-#!/usr/bin/perl -w 
- 
-use strict; 
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $group = "a"; 
-#my $group = "b"; 
-#my $group = "c"; 
- 
-my $id = 3; # id of the substitution to retrieve 
- 
-my $query = "http://personalgenome.org/101/all-subst.php?group=$group";  
- 
-my $req = HTTP::Request->new(GET => "$query"); 
-$req->header(Accept => 'text/html'); 
- 
-# send request to server and get response back 
-my $res = $ua->request($req); 
- 
-# check the outcome 
-if ($res->is_success) { 
-print $res->content; # for instance 
-} else { 
- print "Error: " . $res->status_line . "\n"; 
-} 
</pre> </pre>
-----+'''get-all-subst.pl''' - gets all substitutions
-http://search.cpan.org/~gaas/libwww-perl-5.803/lib/LWP/UserAgent.pm+
- +
-'''client-query.pl'''+
<pre> <pre>
-#!/usr/bin/perl -w  
- 
-use strict;  
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
-  
-my $id = 5;  
-my $group = "";  
- 
-my $query = 'http://personalgenome.org/101/query.php?'.  
- "id=$id". 
- "&group=$group";  
-  
-print "query $query\n"; 
-  
-  
-my $req = HTTP::Request->new(GET => "$query"); 
-$req->header(Accept => 'text/html'); 
-  
-# send request to server and get response back 
-my $res = $ua->request($req); 
-  
-# check the outcome 
-if ($res->is_success) { 
-print $res->content; # for instance 
-} else { 
- print "Error: " . $res->status_line . "\n"; 
-} 
</pre> </pre>
- 
-'''client-insert.pl''' 
-<pre> 
-#!/usr/bin/perl -w  
- 
-use strict;  
-use LWP::UserAgent; 
- 
-my $ua = LWP::UserAgent->new; 
- 
-my $genotype = 4; 
-my $contig = 1;  
-my $pos = 1;  
-my $bp = "a";  
-my $id = 11;  
-my $group = "";  
- 
-my $insert = 'http://personalgenome.org/101/insert.php?'.  
- "genotype=$genotype". 
- "&contig=$contig". 
- "&pos=$pos".  
- "&bp=$bp". 
- "&group=$group". 
- "&id=$id";  
-  
-print "visiting url: $insert\n"; 
- 
-my $req = HTTP::Request->new(GET => "$insert"); 
-$req->header(Accept => 'text/html'); 
-  
-# send request to server and get response back 
-my $res = $ua->request($req); 
-  
-# check the outcome 
-if ($res->is_success) { 
-print $res->content; # for instance 
-} else { 
- print "Error: " . $res->status_line . "\n"; 
-} 
-</pre> 
- 

Revision as of 04:32, 13 December 2005

ins-contig.pl - inserts 1 contig 



get-contig.pl - gets 1 contig for specified id





get-all-contig.pl - gets all contigs in the table





ins-subst.pl - loops through insertions of substitutions





get-subst.pl - gets substitution by id





get-all-subst.pl - gets all substitutions












#!/usr/bin/perl -w
use strict;

open (FILE, "<DNA");
my $seq = <FILE>;
close(FILE);

chomp $seq;     # remove trailing newline

my $comp = reverse $seq;
$comp =~ tr/ATCG/TAGC/;

my $at = $seq;
$at =~ s/[AT]//g;
my $gc = 100 * length($at) / length($seq);

my $eco;
my $i = 0;
my $pos = 0;

for (;;) {
  $i = index($seq, "GAATTC", $pos);
  if ($i >= 0) {
    $pos = $i + 1;
    $eco .= " $i,";
  } else {
    last;
  }
}


print "original sequence:\t$seq\n";
print "reverse complement:\t$comp\n";
printf "GC content:\t\t%.3f%%\n", $gc;

if ($eco) {
  chop $eco;
  print "EcoRI site(s) at index:$eco\n";
} else {
  print "No EcoRI sites found.\n";
}






For info about me, here's a link to my website


Retrieved from "http://bio.freelogy.org/wiki/User:ShawnDouglas"