On Friday 26 March 2004 5:39 pm, Craig Daters wrote:
> Let me preface this by stating that I am a newbie with using the
> commands below, I have only ever used grep to locate simple things, I
> have not used any of the others...
>
> So how come when I enter the commands below, I get an error that
> says: "grep: unknown directories method"?
Try starting with the simple grep command, then add each command with its pipe
symbol one at a time until something breaks (or, hopefully, it all works).
Note that the grep command here *is* very simple, so it is no different from
the sort of thing you have used it for in the past. All the remaining lines
are commands which the output is piped to, not a more complicated grep...
> >> grep FOUND /var/log/messages \
> >> | cut -d ":" -f 5 \
> >> | sed -e "s/\ FOUND//" \
> >> | sort \
> >> | uniq -c \
> >> | sort -r
So, start off with just:
grep FOUND /var/log/messages
This should generate lots of lines of output, but no error.
Assuming that works, add the next command and test again:
grep FOUND /var/log/messages | cut -d ":" -f 5
(or split it as shown above with a "space-backslash" at the end of the first
line)
Then add more commands one at a time (you will suddenly get a whole lot less
lines once you add the "uniq" command) and hopefully all will become clear...
Regards,
Antony.
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