> I need to look at a directory for about 90 seconds, and if a certain
> file shows up, do something with it. A pointer to a man page or any
> reference would be appreciated.
>
perldoc -f opendir
perldoc -f readdir
A simple way to do this is to open the directory, loop over its contents
with readdir looking for your file. Then sleep for a second or some
interval, then read the contents again. Set a counter for the number of
iterations and then kill the while when it hits 90 (aka 90 seconds).
There are lots of ways this could be changed/improved, but it gets the
job done at least as well as the specification provided...
--pseudo code--
opendir or die
counter = 0
while counter < 90
list = readdir
if list contains file
process file
last
counter+1
sleep 1
close dir
http://danconia.org
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