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Full Discussion: KSH Checking Previous Date**
Top Forums UNIX for Dummies Questions & Answers KSH Checking Previous Date** Post 302186513 by developncode on Thursday 17th of April 2008 12:01:50 PM
Old 04-17-2008
Question KSH Checking Previous Date**

How would I go about getting the previous date on the server? I'm out of ideas...I am thinking that I could do it using the date command, but I am unable to find any information on doing it. For example if the current date is April 17th 2008 it would be (20080417) <- (YYYYMMDD). I need the previous date which is April 16th 2008 stored in the following format (20080416) <- (YYYYMMDD). I breifly thought that I could just subtract 1 from the day (DD) amount, but the only problem is what if it is the 1st of the month, I would then be unable to tell if it should be the 30th, 31st, or even the 29th? Please help. Thanks all Smilie
 

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DM_DATE(1)						User Contributed Perl Documentation						DM_DATE(1)

NAME
dm_date - print out the system date and time SYNOPSIS
This performs the same operation as the unix 'date' command, but using the Date::Manip module. dm_date [OPTION]... [+FORMAT] DESCRIPTION
This displays information about the current system time, or some other time. Options are: -h, --help Print online help. -d STRING, --date=STRING Display time described by STRING. STRING can be any string which can be parsed by Date::Manip. Please refer to the Date::Manip::Date documentation for details. -f DATEFILE, --file=DATEFILE This reads each line in DATEFILE, and extracts a date from it and prints out the information. Blank lines and lines starting with a pound (#) are ignored. Lines not containing a valid date are also ignored. -r FILE, --reference=FILE Displays the last modification time of FILE. -R, --rfc-2822 Displayc the date and time in RFC 2822 format. Example: Mon, 07 Aug 2006 12:34:56 -0600 -u, --utc, --universal Converts the date to UT (GMT) and prints out the information. Only one of -d, -f, or -r should be included. If more than one is included, the first one from the list (-d, -f, -r) is used and any other is ignored. The format string starts with a plus (+) and contains any of the format directives described in Date::Manip::Date. KNOWN BUGS
None known. 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::Date 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 v5.16.3 2014-06-09 DM_DATE(1)
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