Well, you could always create a separate diagnostics log file and use a different "monitor" script that simply monitors the size of the diagnostics file and then tails/echoes any new lines when detected to the screen.

I have a script that does this for my backup job stream. When the backup job kicks off it appends whatever is in the daily log file, to the cumulative log file, deletes the daily log, kicks off the monitor job to run in the background and appends any new output to the daily log file. The monitor job echoes everything that is appended to the daily log file to the screen. It even repeats the last line periodically so that the operators can see if something is hung or not. In my case though, the monitor job only runs as long as its parent job is running. But if the terminal session hangs/dies/whatever the log file still has all the diagnostics.

If you like, I could post both backup and monitor scripts, so you could see how they interact.

If the code and the comments disagree, then both are probably wrong. -- Norm Schryer


In reply to Re: Re: Re: Diagnositc output on background processes by jlongino
in thread Diagnositc output on background processes by gomez18

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