04-03-2013
Monitoring for specific date stamped files before and after midnight
Hi Guys,
I am having a brain freeze....
I want to monitor a directory for a time stamped file on a sol 10 system in bash or ksh, the files will come in looking like this..
randomfile.DDMMYY.rpt
The problem i am having is the file can come in before or after midnight, the file will come in with the pre midnight date even if it comes in after mid night but i can't think what variable to use as my date, e.g
if i use
DAY=`TZ=CST+24 date '+%d%m%y'` this works fine if the script runs after midnight, but if its before midnight it's looking for the wrong date...and i need this script to monitor before and after midnight for specific files.......also there are older versions of up to 7 days of the files i'm looking for.
I'm guessing i need to some how check the time to use what variable to use? I'm sure there has to be a better way to do it.
Any suggestions would help.....in my head this seems so easy to do, but my brain is sat in the corner reading the paper giving me rude hand gestures.
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LEARN ABOUT DEBIAN
date::manip::migration5to6
Date::Manip::Migration5to6(3pm) User Contributed Perl Documentation Date::Manip::Migration5to6(3pm)
NAME
Date::Manip::Migration5to6 - how to upgrade from 5.xx to 6.00
SYNOPSIS
When upgrading from Date::Manip 5.xx to 6.00, a few changes may be necessary to your scripts.
The Date::Manip::Changes5to6 document lists in more detail the ways in which Date::Manip changed, but very few of these actually entail
changes to your script.
It should be noted that once the changes are made to your script, it will no longer run correctly in 5.xx.
NECESSARY AND SUGGESTED CHANGES
The following changes are necessary, or strongly suggested:
Reading config files with Date_Init
If you use Date_Init to read any config files (if you do business mode calculations, you probably do), you should remove all of the
following config variables from your call to Date_Init:
GlobalCnf=FILE
PersonalCnf=FILE
PathSep=*
IgnoreGlobalCnf=*
PersonalCnfPath=*
and replace them with:
ConfigFile=FILE
where FILE is now the full path to a config file. Also, the ConfigFile argument should be the first argument in Date_Init.
Date_ConvTZ
The Date_ConvTZ function has changed. It should now take 3 arguments:
$date = Date_ConvTZ($date,$from,$to);
If $from is not given, it defaults to the local time zone. If $to is not given, it defaults to the local time zone.
The date is converted from the $from time zone into the $to time zone. Both should be any time zone (or alias) supported by
Date::Manip.
The old $errlevel argument is no longer handled.
ConvTZ and TZ config variables
If you use either the ConvTZ or TZ config variables, you should replace them with either SetDate or ForceDate. See the
Date::Manip::Config document for information.
The TZ variable will continue to work until Dec 2013 at which point it will be removed.
Other deprecated config variables
The following config variables have been deprecated, but will continue to function (though they will be removed at a future date):
IntCharSet (removed Oct 2012)
TZ (removed Dec 2013)
The following variables have been removed. If you use any of them, you may need to modify your scripts:
GlobalCnf
PersonalCnf
PathSep
IgnoreGlobalCnf
PersonalCnfPath
ConvTZ
Internal
TodayIsMidnight
DeltaSigns
UpdateCurrTZ
ResetWorkdDay
today, yesterday, tomorrow
If you parse the strings "today", "yesterday", or "tomorrow" in order to get the time now, or 24 hours in the past/future, this will no
longer work. These strings now refer strictly to the date (so "today" is the current day at midnight, "yesterday" is the previous day
at midnight, etc.).
To get the time now, 24 hours ago, or 24 hours in the future, you would need to parse the strings "now", "-24:00:00", or "+24:00:00"
respectively.
Do not use Memoize
In 5.xx, it was documented that you could use the module Memoize to speed up Date::Manip, especially when sorting dates.
This information is no longer accurate. Using Memoize in conjunction with Date::Manip should have little impact on performance, and may
lead to incorrect results, especially if you change config variables.
Please see the Date::Manip::Changes5to6 (GENERAL CHANGES) document for more information.
If you find other instances where it is necessary to modify your script, please email me so that I can add that information to this
document.
BUGS AND QUESTIONS
Please refer to the Date::Manip::Problems documentation for information on submitting bug reports or questions to the author.
SEE ALSO
Date::Manip - main module documentation
LICENSE
This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
AUTHOR
Sullivan Beck (sbeck@cpan.org)
perl v5.14.2 2012-06-02 Date::Manip::Migration5to6(3pm)