10-26-2007
in bash you could do
(( ${a:0:4} <= ${b:0:4} )) && echo true || echo false
or if you want to check year AND day
(( ${a:0:4} <= ${b:0:4} && ${a:5:2} <= ${b:5:2} )) && echo true|| echo false
10 More Discussions You Might Find Interesting
1. Programming
Hi
I am writing a unix program. In that, i should compare two dates.
I would like to know how to compare two dates in unix-whether they are same or not.
pls help (5 Replies)
Discussion started by: bankpro
5 Replies
2. Programming
Hi,
Is there any system defined function to compare two dates in C/C++?
Thanks (1 Reply)
Discussion started by: naan
1 Replies
3. Shell Programming and Scripting
Hi Gurus
I am getting the timestamp of the last generated log file
its like this "Oct 31 10:26"
I want to compare this timestamp with the current date in shell script. I want to compare if the
(timestamp-currentime) > 10 minutes
how do i do this.
Thanks
Ragha (2 Replies)
Discussion started by: ragha81
2 Replies
4. Shell Programming and Scripting
Hi
How to compare created or modified date of two files
help needed
thanks
Vajiramani :) (9 Replies)
Discussion started by: vaji
9 Replies
5. Shell Programming and Scripting
hi all :)
how can in compare yyyy/dd/mm with yyyy/dd/mm in perl i want the result like grater than or less than the given date...
thanks in advance (3 Replies)
Discussion started by: i_priyank
3 Replies
6. Shell Programming and Scripting
hi ,
I am new to shell.
i have a requirement to compare the one file from one dir to other 7 files of other dir and to find out the duplicate files from the 7 files .
the name of the all files go on changing every weekend.
Thanks in advance (4 Replies)
Discussion started by: ravi214u
4 Replies
7. Shell Programming and Scripting
Hi all,
I've written a script which gives the below information...
End Date&Time: 2008-10-21 10.54.37
Now i want to calculate this time with the current time.. and if its more than 48 hours past with the current time it should echo "48 Hours back"
Please help me..
thanks in... (4 Replies)
Discussion started by: suri.tyson
4 Replies
8. Shell Programming and Scripting
Hi all,
How to check whether the given the two dates is minimal.
example:
Date 1 : 23-03-2008 with timestamp
Date 2: 20-03-2008 With tmestamp
I want to compare the twodates and which it gives the minimum date
i wnat to get the output like this below
output: the Date2 is... (1 Reply)
Discussion started by: balaji23_d
1 Replies
9. Shell Programming and Scripting
Hi to all.
When you have to compare a lot of dates in a SH code, there is a way to directly compare? For example, how can I check if two dates differ in less than a week?
Thank's for reading. (2 Replies)
Discussion started by: daniel.gbaena
2 Replies
10. Shell Programming and Scripting
I have 2 date feilds
2011-05-13:18:45
2011-05-13:18:30
I need to compare them and say its OK/NOK
I tried this but dint work.
systime=2011-05-13:18:45
shubtime=2011-05-13:18:30
if
then
echo" OK"
else
echo "NOK"
fi
In this its not same so the o/p should be NOK (2 Replies)
Discussion started by: LavanyaP
2 Replies
LEARN ABOUT DEBIAN
data::formvalidator::constraints::dates
Data::FormValidator::Constraints::Dates(3pm) User Contributed Perl Documentation Data::FormValidator::Constraints::Dates(3pm)
NAME
Data::FormValidator::Constraints::Dates - Validate Dates and Times
SYNOPSIS
use Data::FormValidator::Constraints::Dates qw(date_and_time);
# In a DFV profile...
constraint_methods => {
# 'pp' denotes AM|PM for 12 hour representation
my_time_field => date_and_time('MM/DD/YYYY hh:mm:ss pp'),
}
DESCRIPTION
date_and_time
Note: This is a new module is a new addition to Data::FormValidator and is should be considered "Beta".
This constraint creates a regular expression based on the format string passed in to validate your date against. It understands the
following symbols:
Y year (numeric)
M month (numeric)
D day (numeric)
h hour
m minute
s second
p AM|PM
Other parts of the string become part of the regular expression, so you can do perlish things like this to create more complex expressions:
'MM?/DD?/YYYY|YYYY-MM?-DD?'
Internally Date::Calc is used to test the functions.
BACKWARDS COMPATIBILITY
This older, more awkward interface is supported:
# In a Data::FormValidator Profile:
validator_packages => [qw(Data::FormValidator::Constraints::Dates)],
constraints => {
date_and_time_field => {
constraint_method => 'date_and_time',
params=>['MM/DD/YYYY hh:mm:ss pp'], # 'pp' denotes AM|PM for 12 hour representation
},
}
SEE ALSO
o Data::FormValidator
o Data::FormValidator::Constraints::DateTime - This alternative features returning dates as DateTime objects and validating against the
date formats required for the MySQL and PostgreSQL databases.
AUTHOR
Mark Stosberg, <mark@summersault.com>
Featuring clever code by Jan Krynicky.
COPYRIGHT AND LICENSE
Copyright 2003-2005 by Mark Stosberg
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2011-11-25 Data::FormValidator::Constraints::Dates(3pm)