date - 1 day Post: 302260473

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Top Forums UNIX for Dummies Questions & Answers date - 1 day Post 302260473 by sfedak on Thursday 20th of November 2008 03:46:27 PM

11-20-2008

Registered User

date - 1 day

Hi, I have been trying just about every unix command to come up with yesterday's date (today's date - 1). I have seen all of the help on this forum, and none of it seems to work for me here. We are using Sun Solaris 9 Unix. I am using this script to create a .txt file with ftp commands that I will run from another script. All I want to do, is retrieve whatever files are at the ftp site with a date of yesterday in the filename. I have been trying to get the date right with Unix but obviously I am not having much luck.

I have tried a number of ways to get yesterday's date and none work for me.

#CalcDate=`date +%Y%m%d`
#CalcDate=`date -d yesterday +%Y%m%d`
#date="1 day ago" +"%Y%d%m"

I am able to output today's date to the .txt file using the following (see below).

CalcDate=`date +%Y%m%d`
cd /apps/PT8.44/outputs/backflow
echo 'lcd /apps/PT8.44/outputs/backflow/test' > bflowin.txt
echo 'mget *'$CalcDate* >> bflowin.txt
echo 'quit' >> bflowin.txt

Contents of bflowin.txt after script runs: I need it to be 20081119 (yesterday's date).

lcd /apps/PT8.44/outputs/backflow/test
mget *20081120*
quit

Any help you guys can give would be appreciated.

sfedak

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LEARN ABOUT PHP

date_parse_from_format

DATE_PARSE_FROM_FORMAT(3)						 1						 DATE_PARSE_FROM_FORMAT(3)

date_parse_from_format - Get info about given date formatted according to the specified format

SYNOPSIS

       array date_parse_from_format (string  $format, string  $date)

DESCRIPTION

	Returns associative array with detailed info about given date.

PARAMETERS

	      o $format
		- Format accepted by DateTime.createFromFormat(3).

	      o $date
		- String representing the date.

RETURN VALUES

	Returns associative array with detailed info about given date.

EXAMPLES

       Example #1

	      date_parse_from_format(3) example

	      <?php
	      $date = "6.1.2009 13:00+01:00";
	      print_r(date_parse_from_format("j.n.Y H:iP", $date));
	      ?>

	      The above example will output:

	      Array
	      (
		  [year] => 2009
		  [month] => 1
		  [day] => 6
		  [hour] => 13
		  [minute] => 0
		  [second] => 0
		  [fraction] =>
		  [warning_count] => 0
		  [warnings] => Array
		      (
		      )

		  [error_count] => 0
		  [errors] => Array
		      (
		      )

		  [is_localtime] => 1
		  [zone_type] => 1
		  [zone] => -60
		  [is_dst] =>
	      )

SEE ALSO

       DateTime.createFromFormat(3), checkdate(3).

PHP Documentation Group 												 DATE_PARSE_FROM_FORMAT(3)

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