Time module

[mikedaruke]

Quick question. I know using the time module I can get the date (month, day, year..etc)

I need to get yesterdays date. I tried the -1 to the current date, but of course on the 1st of the month, it would think yesterday is 0. I need to have it look at todays date: 4/1/05 and tell me yesterday was 3/31/05. I am sure I can do some caculations to figure this out. Just wondering if it was an easy way, or another module or fuction I can use. If not any ideas? Thanks!

 

[vego]

I'd recommend using the POSIX module using strftime(). One can manipulate just about anything with it.

 

[mikevh]

The time function returns the current time in seconds since the epoch.
There are 86400 (60*60*24) seconds in a day.
So if you subtract the number of seconds in a day from the current time, you get the time in seconds one day ago.
Then feed that to the localtime function.

#!perl
use strict;
use warnings;

my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time - 86400);
$mon = $mon + 1; 
$year = $year + 1900;
printf "%02d/%02d/%04d\n", $mon, $mday, $year;

There's also the Date::Calc module.

HTH

 

[mlibeson]

While there is a Date::Calc module, there is also a Date::Manip module. I am not saying which one to use, but you should review both to see which suits you best.


Michael Libeson