I have a textfile with a list of strings I want to monitor in my network.
alertlist:
So it can output for me whenever the a strings it matched:
Now what I want is eh a notification, whenever the state changes, example, hans joins, franz leaves franz and tanz joins etc.
not when found or nor, only when the situation changes
how can I do this while keepin the I/O to the flashdrives to a minimum?
If you want to keep I/O to a flashdrive to a minimum, why are you accessing that flashdrive at least four times every 4 seconds?
If you have a list of strings to search for, why do you have to test every four seconds whether or not your list exists? Does this list change frequently while you're running your script?
If you have a program you want to run every 4 seconds and you want to minimize accesses to a flashdrive, why is the program you want to run on a flashdrive?
What does /var/media/ftp/look.sh do? Does it invoke any other software that is located on that flashdrive? Does it access any other files that are located on that flashdrive?
Why are any of these files on a flashdrive if you don't want to access the flashdrive?
What output does /var/media/ftp/look.sh produce? Is the output just strings exactly matching the format of the strings in /var/media/ftp/alertlist.txt, or do lines in the output contain additional text that needs to be stripped away as part of your output?
Can a string in /var/media/ftp/alertlist.txt appear in the output from /var/media/ftp/look.sh more than once? If so, does the output from your script need to notice differences in the number of times a string is found? Or, does it just need to notice when the number of times a given string string appears changes from zero to non-zero and from non-zero to zero?
Does you output just need to give a list of the strings that changed status? Or does the output need to report strings that appeared and strings that disappeared, or the number of times a string appeared in the latest time through the loop?
If these strings are people's names or login IDs, do you really need case insensitive matches? Are UserName and username to be treated as different strings or as a single string?
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CPU 1:04/25/02 1:00 am:1972554
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