getting error in my perl script Post: 302679903

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Top Forums Programming getting error in my perl script Post 302679903 by anurupa777 on Wednesday 1st of August 2012 02:29:11 AM

08-01-2012

Registered User

getting error in my perl script

hi
Here is my code written to identify the particular position which is after a string (chr*). my input file looks some thing like this

Code:

aaanbb:anhn:iuopl:12345 chr1 12345 asnmkol * # kjiiii.....anmkij:lpolk:lopll:abnnj chr5 123222 polko * dddfgg ....

aaanbb:anhn:iuopl:aanjuj chr2 44345 asnmkol * # kjiiii.....anmkij:lpolk:lopll:abnnj chr7 567222 polko * dddfgg ..

i wanted to get the @pos as the immediate occurance after chr* as there are 2 such occurances in each line the first occrance has to be stored in pos[0] and second in pos[1] for pos[0] pattern search has to be made wih in pos[0]+6 characters and same vs for pos[1] but backwards

Code:

use strict;
use warnings;
open (my $fhConditions, "<1.txt"); 
my $l=6;
open (my $read, "<2.txt");
my @e = <$read>;
my $d = join('', @e );
$d =~ s/\s+//g;
while (my $line = <$fhConditions>) {
chomp $line;
my @pos = $line[$i] =~/chr*\s+(.+?)\s/g;
if($pos[0] =/[0-9]/)
{
my $match = substr($d,$pos[0],$l)
print "$line" if $match =~m/AAGCTT/;
}
if($pos[1] =/[0-9]/)
{
my $a = $pos[0]-$l;
my $match = substr($d,$a,$l);
print "$line" if $match =~m/AAGCTT/;
}
}

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LEARN ABOUT PHP

inet_ntop

INET_NTOP(3)								 1							      INET_NTOP(3)

inet_ntop - Converts a packed internet address to a human readable representation

SYNOPSIS

       string inet_ntop (string  $in_addr)

DESCRIPTION

	This  function converts a 32bit IPv4, or 128bit IPv6 address (if PHP was built with IPv6 support enabled) into an address family appropri-
       ate string representation.

PARAMETERS

	      o $in_addr
		- A 32bit IPv4, or 128bit IPv6 address.

RETURN VALUES

	Returns a string representation of the address or FALSE on failure.

EXAMPLES

       Example #1

	      inet_ntop(3) Example

	      <?php
	      $packed = chr(127) . chr(0) . chr(0) . chr(1);
	      $expanded = inet_ntop($packed);

	      /* Outputs: 127.0.0.1 */
	      echo $expanded;

	      $packed = str_repeat(chr(0), 15) . chr(1);
	      $expanded = inet_ntop($packed);

	      /* Outputs: ::1 */
	      echo $expanded;
	      ?>

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.3.0	|						    |
       |	|						    |
       |	|  This function is now available on Windows  plat- |
       |	| forms.					    |
       |	|						    |
       +--------+---------------------------------------------------+
SEE ALSO

       long2ip(3), ip2long(3), inet_pton(3).

PHP Documentation Group 													      INET_NTOP(3)

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