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Full Discussion: recursion too deep
Top Forums Shell Programming and Scripting recursion too deep Post 78294 by reborg on Monday 18th of July 2005 03:18:06 PM
Old 07-18-2005
Why are you recursing?

There is absolutely no need to do so, and if the file never exists you are indeed in an infinte loop.

Code:
function chk_for_file
{
while [[ ! -f file ]] ; do
     sleep <some number of seconds>
done

<do whatever>
}

 

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sleep(3C)						   Standard C Library Functions 						 sleep(3C)

NAME
sleep - suspend execution for an interval of time SYNOPSIS
#include <unistd.h> unsigned int sleep(unsigned int seconds); DESCRIPTION
The caller is suspended from execution for the number of seconds specified by the argument. The actual suspension time may be less than that requested because any caught signal will terminate the sleep() following execution of that signal's catching routine. The suspension time may be longer than requested by an arbitrary amount because of the scheduling of other activity in the system. The value returned by sleep() will be the ``unslept'' amount (the requested time minus the time actually slept) if the caller incurred premature arousal because of a caught signal. The use of the sleep() function has no effect on the action or blockage of any signal. In a multithreaded process, only the invoking thread is suspended from execution. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |Async-Signal-Safe | +-----------------------------+-----------------------------+ |Standard |See standards(5). | +-----------------------------+-----------------------------+ SEE ALSO
nanosleep(3C), attributes(5), standards(5) SunOS 5.11 5 Feb 2008 sleep(3C)
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