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Full Discussion: converting day to capital letter...
Top Forums Shell Programming and Scripting converting day to capital letter... Post 302258451 by Ikon on Friday 14th of November 2008 03:25:03 PM
Old 11-14-2008
Code:
export EXT='.TXT'
export I2PFILE='I2P_PGI_'
export DATE=`date '+%B%d' --date="1 days ago"`
MYVAR=`echo $I2PFILE$DATE$EXT | tr '[:lower:]' '[:upper:]'`

echo $MYVAR

Code:
First print today's date:
$ date
Sun Jun 17 12:17:24 CDT 2007

Now display Yesterday's date:
$ date --date="1 days ago"
OR try:
$ date --date="yesterday"
Sat Jun 16 12:17:20 CDT 2007

Now display Tomorrow's date:
$ date --date="-1 days ago"

Or better try:
$ date --date="next day"
$ date --date='2 year ago' # past
$ date --date='3 years' # go into future
$ date --date='2 days' # future
$ date --date='1 month ago' # past
$ date --date='2 months' # future
$ date --date='this Friday'
$ date --date='2 months ago 5 day ago'


NOTICE: These will NOT work on HP-UX!!!
Last edited by Ikon; 11-14-2008 at 04:31 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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