Sponsored Content
Top Forums Shell Programming and Scripting Need Help on date subtraction Post 302732361 by itkamaraj on Saturday 17th of November 2012 11:00:01 AM
Old 11-17-2012
Code:
$ perl -M"Date::Calc 'Mktime'" -lane 'sub convert{$_[0]=~/(....)(..)(..)(..)(..)(..)/; return Mktime($1,$2,$3,$4,$5,$6)}if($.==1){$a=convert $F[0];$first=$_;next}$b=convert $F[0]; print $first." ".$_." ".($b-$a)/60;$first=$_;$a=$b' input.txt
20121029135649 20121029135721 0.533333333333333
20121029135721 20121030091540 1158.31666666667
20121030091540 20121030093420 18.6666666666667
20121030093420 20121030094340 9.33333333333333
20121030094340 20121030095427 10.7833333333333
20121030095427 20121030095856 4.48333333333333
20121030095856 20121030100104 2.13333333333333
20121030100104 20121030100251 1.78333333333333

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Date Subtraction in KSH

I need to figure out the numeric representation of the previous month (in an automated monthly-running script) so that I may append it to a filename. I have tried statements such as variable=`date +%m -1` (and several variations) but with no success. I have also tried simply assigning the value... (3 Replies)
Discussion started by: mharley
3 Replies

2. UNIX for Dummies Questions & Answers

subtraction from date

hi gurus! i realize that my question shows my stupidness, but i need your help! i have: s_date=`date +%m-%d-%Y_%I%p` variable and i need the same, but minus one hour.. what i made: s_date=time(`date +%m-%d-%Y_%I%p`) - 3600 but i'm getting: daily_exports.sh: line 20: syntax error near... (4 Replies)
Discussion started by: MarGur
4 Replies

3. Linux

date subtraction(URGENT)

Hi all, I need the date subtraction fuctionality using shell commands. For example: date1:Wed Apr 5 08:35:21 IST 2006 date2:Tue Apr 4 10:35:44 IST 2006 I need the date subtraction result like " 22 hours 23 seconds". Please guide me to complete this task. Can you please help me ASAP. ... (3 Replies)
Discussion started by: uday123
3 Replies

4. Shell Programming and Scripting

awk subtraction

hi i have file 1 as follows: 6 7 8 9 10 i have file 2 as follows: 5 5 5 5 5 i want file 3 as follows: (4 Replies)
Discussion started by: npatwardhan
4 Replies

5. Shell Programming and Scripting

Date subtraction

hi, i set up a script on my server to do a particular task once files from an external system are ftpd in the format compaq_20100110 (YYDDMM). Interestingly, the source of ftp is sending the files in the format e.g 20100109 i.e. previous date and for some reason this fails.kindly see my script... (2 Replies)
Discussion started by: bigtejus
2 Replies

6. Shell Programming and Scripting

use of uninitialized value in subtraction

Hallo all i am trying to execute this script ............... But this is throwing the error...... use of uninitialized value in subtraction in at icd_convert.pl line 156 use of uninitialized value in subtraction in at icd_convert.pl line 157 use of uninitialized value in subtraction in at... (1 Reply)
Discussion started by: suvenduperl
1 Replies

7. Shell Programming and Scripting

Date Subtraction with time.

HI gurus... I have a PERL file that help me extract the date and time of the file. The format of this is: yyyymmddhhmmss. Example: 20100430070935 (April 30 2010 07:09:35) How can i subtract the acquired time from system's time..?? The answer... (6 Replies)
Discussion started by: bankimmehta
6 Replies

8. Shell Programming and Scripting

Subtraction

Hi #!/bin/sh month=`date +%m` year=`date +%Y` echo $month a=02 # Retaining Data for Current and Previous Month lmonth=`expr $month - $a` if test "$lmonth" = "0" then lmonth=12 year=`expr $year - 1` fi echo $year echo $lmonth The output is (3 Replies)
Discussion started by: Abhayman
3 Replies

9. Shell Programming and Scripting

Subtraction using arrays

Hello all . I have two arrays. ${ARRAY_MOUNT_POINT_CAPACITY} ${ARRAY_MOUNT_POINT_CAPACITY}. Whats the synatx of subtracting their values , placing them in variable V1 and then echoeing it ??? Ive tried expr and let ...gives me ./test_code.sh: difference: bad number (3 Replies)
Discussion started by: Junaid Subhani
3 Replies

10. UNIX for Dummies Questions & Answers

Date Subtraction

Hello All, I am a newbie to unix shell scripting and need to write a script that displays the difference between two variables that stores date value. For example, F1=`ls -ltr file1* | tail -1 |tr -s ' ' |cut -d' ' -f6,7,8` F2=`ls -ltr file2* | tail -1 |tr -s ' ' |cut -d' ' -f6,7,8` F1... (3 Replies)
Discussion started by: priyaa2010
3 Replies
Date::Calc::PP(3)					User Contributed Perl Documentation					 Date::Calc::PP(3)

NAME
Date::Calc::PP - pure-Perl plug-in for Date::Calc SYNOPSIS
You never use this module directly. Use Date::Calc(3) instead! DESCRIPTION
You never use this module directly. Use Date::Calc(3) instead! SEE ALSO
Date::Calc(3), Date::Calc::XS(3). VERSION
This man page documents "Date::Calc::PP" version 6.3. AUTHOR
Steffen Beyer mailto:STBEY@cpan.org http://www.engelschall.com/u/sb/download/ COPYRIGHT
Copyright (c) 1995 - 2009 by Steffen Beyer. All rights reserved. LICENSE
This package is free software; you can use, modify and redistribute it under the same terms as Perl itself, i.e., at your option, under the terms either of the "Artistic License" or the "GNU General Public License". The C library at the core of the module "Date::Calc::XS" can, at your discretion, also be used, modified and redistributed under the terms of the "GNU Library General Public License". Please refer to the files "Artistic.txt", "GNU_GPL.txt" and "GNU_LGPL.txt" in the "license" subdirectory of this distribution for any details! DISCLAIMER
This package is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the "GNU General Public License" for more details. perl v5.18.2 2009-10-30 Date::Calc::PP(3)
All times are GMT -4. The time now is 08:22 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy