If the volume of information you wish to return is greater than can be contained in an int, but writing it to and reading it back from a file would present difficulties in the shell script, you could write the information in the name of an empty file.
If you choose (say) a prefix for the application and put the relavent info in the suffix, it should be fairly easy to find and process within you shell script.
eg. myapp.nm09 or myapp.op01....
Just a thought.
UpdateRemoved brain-fart repetition.
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