Perl Archives - PODTECH

Perl

Perl – Sending Email with NET::SMTP using username and password

Perl – Sending Email with NET::SMTP using username and password First of all double check that Authen::SASL is an installed module.. If you are not getting emails this could be why – it doesnt provide an error that is understandable! #!/usr/bin/perl ### ENSURE Authen::SASL is installed use Net::SMTP; use strict; use warnings; my $host= ‘yourhostname’; […]

Perl

Perl – Is a value decimal, real or a string?

Perl – Is a value decimal, real or a string? To validate if a number is a number using regex. [perl] $number = “12.3”; if ($number =~ /\D/) { print “has nondigits\n” } if ($number =~ /^\d+$/) { print “is a whole number\n” } if ($number =~ /^-?\d+$/) { print “is an integer\n” } if […]

Perl

Perl – Basic Fork Example

#!/usr/local/bin/perl use strict; use warnings; print "Starting main program\n"; my @childs; for ( my $count = 1; $count <= 10; $count++) { my $pid = fork(); if ($pid) { # parent #print "pid is $pid, parent $$\n"; push(@childs, $pid); } elsif ($pid == 0) { # child sub1($count); exit 0; } else […]

Perl

Perl – Compare Array Contents when length is identical and order matches

Perl – Compare Array Contents when length is identical and order matches Comparing arrays side by side. Do they match or dont they? @a=(1,0,1,0,0); @b=(0,0,1,0,0); NO! @arr1=(0,1,1,1,1,1,0,1); @arr2=(0,1,1,1,1,1,0,1); use Algorithm::Diff qw( LCS_length); my $arr_count1 = @arr1; my $arr_count2 = @arr2; if($arr_count1 != $arr_count2) { print “NOMATCH\n”; ## NO MATCH } else { $count = LCS_length […]

Perl

Perl – Code Execution Time with accuracy – Time::HiRes

Perl – Code Execution Time with accuracy – Time::HiRes How long does it take to execute some code? use Time::HiRes qw( time ); my $start = time(); // Code goes here sleep 10; my $end = time(); print “SPRINTF: “; printf(“%.6f\n”, $end – $start);

Perl

PERL – Bitwise OR XOR an array

PERL – Bitwise OR XOR an array [perl] my @data= (“80″,”80″,”7B”,”30″,”32″,”30″,”38″,”31″,”46″,”30″,”39″); my $chk; foreach my $point(@data) { $chk = $chk^$point; ## XOR each array } $chk = hex($chk)|hex(“80”); ## OR the result value my $chk_hex=sprintf(“%x”,$chk); ## convert result to hex print “$chk = $chk_hex\n”; ## display both results side by side [/perl]

Perl

Perl – Sending Email with NET::SMTP using username and password

Perl – Is a value decimal, real or a string?

Perl – Basic Fork Example

Perl – Compare Array Contents when length is identical and order matches

Perl – Code Execution Time with accuracy – Time::HiRes

PERL – Bitwise OR XOR an array

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