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Full Discussion: Date with Wildcards in Command
Top Forums Shell Programming and Scripting Date with Wildcards in Command Post 302585563 by balajesuri on Wednesday 28th of December 2011 07:36:00 PM
Old 12-28-2011
1. Please indent your code. Use code tags where necessary.
2. Looks like your initial steps to find the previous days' date is not working.
3. If you have bash try this: date -d"1 day ago" '+%m %d %Y'. Not sure if this'll work on ksh.
4. Or another work around to find yesterday's date is:
Code:
x=$(echo "`date +%s` - 86400" | bc)
date -d @$x '+%m %d %Y'

5. Again, this part in your awk is not fool-proof: d="$(date +%Y%m%d | awk '{printf"%8d\n",($1-1)}'. If date were to fetch "20111201", variable 'd' would hold "20111200" which isn't a valid date now, is it?
6. The reason you're getting all files is because, $YEAR$MONTH$DAY may not be holding any values. So, shell sees it as ** and not *$YEAR$MONTH$DAY*
Last edited by balajesuri; 12-28-2011 at 08:42 PM..
 

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LEARN ABOUT CENTOS

pmdate

PMDATE(1)						      General Commands Manual							 PMDATE(1)

NAME

       pmdate - display an offset date

SYNOPSIS

       pmdate [ offset ... ] format

DESCRIPTION

       pmdate displays the current date and/or time, with an optional offset.

       An offset is specified with a leading sign (``+'' or ``-''), followed by an integer value, followed by one of the following ``scale'' spec-
       ifiers;

       S      seconds
       M      minutes
       H      hours
       d      days
       m      months
       y      years

       The output format follows the same rules as for date(1) and strftime(3).

       For example, the following will display the date a week ago as DDMMYYYY;
	       pmdate -7d %d%m%Y

PCP ENVIRONMENT

       Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP.  On  each	installation,  the
       file  /etc/pcp.conf contains the local values for these variables.  The $PCP_CONF variable may be used to specify an alternative configura-
       tion file, as described in pcp.conf(5).

SEE ALSO

       date(1), strftime(3), pcp.conf(5) and pcp.env(5).

Performance Co-Pilot							PCP								 PMDATE(1)
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