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Top Forums Shell Programming and Scripting UNIX cmd -find empty files in folder else sleep for 8hrs Post 302935076 by MadeInGermany on Thursday 12th of February 2015 02:57:32 PM
Old 02-12-2015
Maybe wait and repeat?
Code:
until find /path/FTP. -type f -size 0 | awk '{print; exit 1}'
do
  sleep 28800
done

Instead of until or while you can also use an if clause. It gets the exit status of the awk command, 0 normally, 1 if a zero-file was found.
NB in the shell an exit status 0 is a true condition (for practical reasons).
You can suppress awk's output with >/dev/null, this doesn't affect its exit status.

---------- Post updated at 02:57 PM ---------- Previous update was at 02:49 PM ----------

Just seeing the proposal with line.
Code:
while find /path/FTP. -type f -size 0 | line
do
 sleep 28800
done

 

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sleep(1)							   User Commands							  sleep(1)

NAME
sleep - suspend execution for an interval SYNOPSIS
sleep time DESCRIPTION
The sleep utility will suspend execution for at least the integral number of seconds specified by the time operand. OPERANDS
The following operands are supported: time A non-negative decimal integer specifying the number of seconds for which to suspend execution. EXAMPLES
Example 1: Suspending command execution for a time To execute a command after a certain amount of time: example% (sleep 105; command)& Example 2: Executing a command every so often example% while true do command sleep 37 done ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of sleep: LANG, LC_ALL, LC_CTYPE, LC_MES- SAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 The execution was successfully suspended for at least time seconds, or a SIGALRM signal was received (see NOTES). >0 An error has occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
wait(1), alarm(2), sleep(3C), wait(3UCB), attributes(5), environ(5), standards(5) NOTES
If the sleep utility receives a SIGALRM signal, one of the following actions will be taken: o Terminate normally with a zero exit status. o Effectively ignore the signal. The sleep utility will take the standard action for all other signals. SunOS 5.10 1 Feb 1995 sleep(1)
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