File used Post: 303016475

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Operating Systems HP-UX File used Post 303016475 by rbatte1 on Friday 27th of April 2018 12:01:16 PM

04-27-2018

Moderator

When you say used, how do you mean? The file information records three timestamps. Access, change & modification. The command stat and various flags can be used to display any or all of these and the manual page describes what each one is for. It might seem odd, but a change and a modification are not the same.

The flags are as follows:-

Quote:

man stat|grep Time
%x Time of last access
%X Time of last access as seconds since Epoch
%y Time of last modification
%Y Time of last modification as seconds since Epoch
%z Time of last change
%Z Time of last change as seconds since Epoch

I think:-

the modification refers to what you normally see as the file's timestamp with something like ls -l $filename
the access time is the last read or write operation on the content of the file (but this includes backups
the change refers to any operation that updates the inode of the file. This can be a chmod, and update of the content (because the modified time changes)

Does that help?

What format do you need the output as? Sometimes the time since the Epoch (1/1/1970 00:00:00) can be useful to do calculations with.

If you just need to find files older / newer than a known time, perhaps you could use touch with a timestamp to create a reference file and then the -newer /tmp/ref_file or ! -newer /tmp/ref_file construction of a find command.

Do either of these approaches help?
Robin

rbatte1

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holidays

holidays(4)							   File Formats 						       holidays(4)

NAME

       holidays - prime/nonprime table for the accounting system

SYNOPSIS

       /etc/acct/holidays

DESCRIPTION

       The /etc/acct/holidays file specifies prime time hours and holidays. Holidays and weekends are considered non-prime time hours.

       /etc/acct/holidays is used by the accounting system.

       All lines beginning with an * are comments.

       The  /etc/acct/holidays	file consists of two sections. The first non-comment line defines the current year and the start time of prime and
       non-prime time hours, in the form of:

	 current_year prime_start non_prime_start

       Specify prime_start and non_prime_start times in the range of 0000 to 2400.

       The remaining non-comment lines define the holidays in the form of:

	 month/day company_holiday

       Of these two fields, only the month/day is actually used by the accounting system programs.

       The /etc/acct/holidays file must be updated every year.

EXAMPLES

       Example 1 An Example of the /etc/acct/holidays File

       The following is an example of the /etc/acct/holidays file:

	 * Prime/Nonprime Table for the accounting system
	 *
	 * Curr     Prime     Non-Prime
	 * Year     Start     Start
	 *
	   1991     0830     1800
	 *
	 * only the first column (month/day) is significant.
	 *
	 * month/day	Company Holiday
	 *
	   1/1		New Years Day
	   5/30 	Memorial Day
	   7/4		Indep. Day
	   9/5		Labor Day
	   11/24	Thanksgiving Day
	   11/25	day after Thanksgiving
	   12/25	Christmas
	   12/26	day after Christmas

SEE ALSO

       acct(1M)

SunOS 5.11							    18 Aug 2008 						       holidays(4)