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Perl Scripts Handy Subs
Including some handy sub routines or code snippets that can be easily re-used.
| alwaysRoundUp.pl |
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#!/usr/bin/perl
#26.12.2011 - Atle Holm
#Always rounds a number up, no matter how close it is to round down
use POSIX;
use warning;
use strict;
print round(3.1);
sub intCheck{
my $num = shift;
return ($num =~ m/^\d+$/);
}
sub round {
my $var = shift;
if (intCheck($var - 0.5)) { $var = $var + 0.1; }
return ceil($var);
} |
| checkTimeInterval.pl |
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#!/usr/bin/perl
#26.12.2011 - Atle Holm
#Check a time interval
use Date::Parse;
use Date::Format;
use warning;
use strict;
my $updateInterval = (60 * 60 * 24 * 7); #7 days in seconds
my $oldDate = getSomeExampleDateFunction();
#If the difference is more then seven days, then print
my @lt = localtime(time);
if(((str2time(strftime("%c\n", @lt))) - str2time($resultDateReturn)) > $updateInterval) {
#If using MySQL; Could be replaced with: SELECT (now()-updated_at) FROM tableName;
print "Difference is more then seven days!";
}
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