Hi Alan,
tail is a program to visualize the last part of a file. If you want to
filter the output, you have to use it in this way:
local ($tail) = "/usr/bin/tail /var/log/datalog| /usr/bin/grep
DEVICE";
It has nothing to do with Perl... :-)
By the way: tail produces continous output. If you only want to see
problems in the past, use cat instead.
Bye,
Dirk
>>>>>>>>>>>>>>>>>> Ursprüngliche Nachricht <<<<<<<<<<<<<<<<<<
Am 18.12.98, 08:08:54, schrieb Alan Halachmi <alan@halachmi.net> zum
Thema [nocol-users] webnocol.cgi:
> Quick question...
> I'm no PERL wizard, so I'm in need of some help. I
> added another command to the troubleshooting area of webnocol.
> When I had the webnocol.cgi line read:
> local ($tail) = "tail /var/log/datalog";
> everything worked fine.
> However, when I changed it to:
> local ($tail) = "/usr/bin/grep DEVICE /var/log/datalog |
/usr/bin/tail";
> it no longer works.
> I tried:
> local ($tail) = "/usr/bin/grep DEVICE /var/log/datalog"
> but that didn't work either.
> I'd like to be able to take a site, grep it from the datalog file and
tail the output of the grep, but I'm not having any luck.
> Ideas?
> TIA,
> Alan
> --
> Alan Halachmi
> Wide Area Networks Specialist
> Ingram Entertainment Network Services
> mailto:alan@halachmi.net
> http://www.ingramentertainment.com
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