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Full Discussion: Sleep command did not worked
Top Forums UNIX for Beginners Questions & Answers Sleep command did not worked Post 303002632 by Don Cragun on Tuesday 29th of August 2017 11:33:58 AM
Old 08-29-2017
What you have shown us is a script that writes a timestamp into a log file (which you haven't shown us), starts a process running in the background, sleeps for a second and exits. There is absolutely no indication that the sleep you have shown us should have any effect whatsoever on the behavior of this script.

What is producing the sample log fragments you did show us? Is it coming from appldata_proc.ksh? (It is not coming from the echo in the code you did show us!)

What does the log that you did show us have for several seconds before and after the three lines that show a timestamp of 10:45:12?

Note that there is no reason to believe that a script that is started every second will finish every second. On a busy system, several invocations of appldata_proc.ksh could be running at the same time even if one invocation of appldata_proc.ksh usually runs in much less than a second.
 

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times(1)							   User Commands							  times(1)

NAME
times - shell built-in function to report time usages of the current shell SYNOPSIS
sh times ksh times DESCRIPTION
sh Print the accumulated user and system times for processes run from the shell. ksh Print the accumulated user and system times for the shell and for processes run from the shell. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari- able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), time(1), attributes(5) SunOS 5.10 15 Apr 1994 times(1)
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