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Top Forums UNIX for Dummies Questions & Answers Please Help ( Calculate time taken in a script) Post 7829 by Perderabo on Tuesday 2nd of October 2001 02:20:35 PM
Old 10-02-2001
Quote:
Originally posted by sanjay92

Question about SECONDS variable in ksh : when I do
$echo $SECONDS
I donot see the no. of seconds past mid night. What I see a very low value which does not seems that it is no. of seconds after mid night. Can you please confirm.
You're right. It's seconds since shell was started. But if you set it, it starts counting from where you set it. In my .env file I have:
((SECONDS = $(date "+3600*%H+60*%M+%S") ))

and, gosh, I just figured that everyone does that! Smilie

Seriously, I did that so long ago that I forgot.
 

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TOUCH(1)							   User Commands							  TOUCH(1)

NAME
touch - change file timestamps SYNOPSIS
touch [OPTION]... FILE... DESCRIPTION
Update the access and modification times of each FILE to the current time. Mandatory arguments to long options are mandatory for short options too. -a change only the access time -B, --backward=SECONDS Modify the time by going back SECONDS seconds. For example, touch -r foo -B 5 bar will make the file bar 5 seconds older than file foo. -c, --no-create do not create any files -d, --date=STRING parse STRING and use it instead of current time -F, --forward=SECONDS Modify the time by going forward SECONDS seconds. For example, touch -r foo -F 5 bar will make the file bar 5 seconds newer than file foo. -f (ignored) -m change only the modification time -r, --reference=FILE use this file's times instead of current time -t STAMP use [[CC]YY]MMDDhhmm[.ss] instead of current time --time=WORD set time given by WORD: access atime use (same as -a) modify mtime (same as -m) --help display this help and exit --version output version information and exit Note that the -d and -t options accept different time-date formats. AUTHOR
Written by Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, and Randy Smith. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for touch is maintained as a Texinfo manual. If the info and touch programs are properly installed at your site, the command info touch should give you access to the complete manual. touch (coreutils) 4.5.3 October 2002 TOUCH(1)
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