Solved

How do I get day if I know the date ?

Posted on 2002-04-11
3
210 Views
Last Modified: 2010-03-05
How do I know what day it is for 20020401 ?
0
Comment
Question by:tcy08
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 
LVL 84

Accepted Solution

by:
ozo earned 50 total points
ID: 6934396
use Time::Local;
$date = "20020401";
($y,$m,$d)=unpack"a4a2a2",$date;
$day=("Sun","Mon","Tue","Wed","Thu","Fri","Sat")[(gmtime timegm 0,0,0,$d,$m-1,$y-1900)[6]];
0
 

Author Comment

by:tcy08
ID: 6934425
ozo,

can you give me more explanation for the code ?
0
 
LVL 6

Expert Comment

by:Talmash
ID: 6934451
hi ,

# assume $date is what you have

my @date_arr = split("",$date);
my $day = join("",$date_arr[6],$date_arr[7]);

printf "date = $date , day = $day \n";

COMMENT :

date +%Y%m%d

gives

20020411

date +%d

gives

11
0

Featured Post

Announcing the Most Valuable Experts of 2016

MVEs are more concerned with the satisfaction of those they help than with the considerable points they can earn. They are the types of people you feel privileged to call colleagues. Join us in honoring this amazing group of Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

On Microsoft Windows, if  when you click or type the name of a .pl file, you get an error "is not recognized as an internal or external command, operable program or batch file", then this means you do not have the .pl file extension associated with …
Many time we need to work with multiple files all together. If its windows system then we can use some GUI based editor to accomplish our task. But what if you are on putty or have only CLI(Command Line Interface) as an option to  edit your files. I…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…

735 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question