nite_man's scratchpad

Public Scratchpad

Formatting a date:

use POSIX 'strftime';

my $today = strftime '%d/%m/%Y %H:%M', localtime;
$today =~ s!(\d{2})/(\d{2})/(\d{4})!$3-$2-$1!;
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Retrive an index of array element:

my @array = ('One', 'Two', 'Three', 'Four', 'Five');

sub get_element_index($@) {
    my $el = shift;
    
    $_ eq $el && return @_ while $_ = pop;
    -1;
}

print get_element_index('Four', @array); # Res: 3
print get_element_index('Six', @array); # Res: -1
[download]

Use constant in regexp

use constant TEST => 'test';

my $var = 'test'; 

if($var =~ qr{${\TEST}}) { print 'OK!' }
else { print 'Not matched!' }
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or if all constants are in the special package and access to them is realized using OO notification:

my $var = 1;

if($var =~ qr{#{\C->TEST_CONST}}) { print 'OK!' }
else { print 'Not matched!' }
[download]

Go to top page:

Advantages of this features is that nothing adds to the browser history:

   <a href=#top onClick='scrollTo(0,0); return false;'>
      <font color=#FFFFFF>TOP</font>
   </a>
[download]

Initialize array by fixed data:

my @array = (2) x 10;

__DATA__

[2,2,2,2,2,2,2,2,2,2]
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