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Top Forums Shell Programming and Scripting Run a command once in three hours Post 303027144 by ginrkf on Monday 10th of December 2018 07:27:37 AM
Old 12-10-2018
Run a command once in three hours

Hi All,

I have a bash script which is scheduled to run for every 20 minutes. Inside the bash script, one command which I am using need to be triggered only once in two or three hours.Is there anyway to achieve this.

For example,

Code:
if [ -f file ]
then
echo "hi"
else
echo "Hello"
UNIX Command---once in 3 hours
fi

In most cases file will not be there, so it will go to else portion and execute hello.. But this one I need to execute only once in 3 hours, instead of executing it every 20 minutes
 

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whodo(1M)																 whodo(1M)

NAME
whodo - which users are doing what SYNOPSIS
DESCRIPTION
The command produces merged, reformatted, and dated output from the and commands (see who(1) , ps(1) and acctcom(1M)). If user is specified, output is restricted to all sessions pertaining to that user. The following options are available: Suppress the heading. Produce a long form of output. The fields displayed are: the user's login name, the name of the tty the user is on, the time of day the user logged in (in hours:minutes), the idle time - that is, the time since the user last typed anything (in hours:minutes), the CPU time used by all processes and their children on that terminal (in minutes:seconds), the CPU time used by the currently active processes (in minutes:sec- onds), and the name and arguments of the current process. EXTERNAL INFLUENCES
Environment Variables determines the order in which the output is sorted. If is not specified in the environment or is set to the empty string, the value of is used as a default. If is not specified or is set to the empty string, a default of ``C'' (see lang(5)) is used instead of If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are set to ``C'' (see environ(5)). FILES
SEE ALSO ps(1), who(1), acctcom(1M). STANDARDS CONFORMANCE
whodo(1M)
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