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monitor unix file for string jamesjesse68 02-28-2008
Posted by jamesjesse68 on February 28, 2008, 8:20 am
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 Hello,

I have a requirement to monitor a log file in unix using perl 5.8.
Needed is detection of "error" in a line appended to the file.
Also need to detect if "complete" is not found after, say, 5 hours
after invocation.

I expect there is a hard way and an easy way to do this - could some
kind person advise me?
Pointers to Fine Perldocs welcome!

TIA

JJ


Posted by Josef Moellers on February 28, 2008, 8:23 am
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 jamesjesse68@yahoo.com wrote:
> Hello,
>
> I have a requirement to monitor a log file in unix using perl 5.8.
> Needed is detection of "error" in a line appended to the file.
> Also need to detect if "complete" is not found after, say, 5 hours
> after invocation.
>
> I expect there is a hard way and an easy way to do this - could some
> kind person advise me?
> Pointers to Fine Perldocs welcome!


perldoc -q tail

How do I do a "tail -f" in perl?

HTH,

Josef
--
These are my personal views and not those of Fujitsu Siemens Computers!
Josef Möllers (Pinguinpfleger bei FSC)
        If failure had no penalty success would not be a prize (T. Pratchett)
Company Details: http://www.fujitsu-siemens.com/imprint.html

Posted by Peter Makholm on February 28, 2008, 8:24 am
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jamesjesse68@yahoo.com writes:

> Hello,
>
> I have a requirement to monitor a log file in unix using perl 5.8.
> Needed is detection of "error" in a line appended to the file.

'perldoc -q tail'

> Also need to detect if "complete" is not found after, say, 5 hours
> after invocation.

'perldoc -f alarm'

might be two useful pointers.

//Makholm

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