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Operating Systems HP-UX awk command in hp UNIX subtract 30 days automatically from current date without date illegal option Post 303027788 by bakunin on Monday 24th of December 2018 10:43:19 AM
Old 12-24-2018
The following won't work on all UNIX systems and since i do not have a HP-UX system at hand you will have to test: 30 days are 30x24=720 hours. Try:

Code:
TZ=GMT+720 date

To get the date and time of 30 days ago from now. If your timezone is not GMT adjust the the offset accordingly.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
 

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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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