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I'd like to write a script or even a good command line that can follow a very noisy log file looking for specific patterns but can also handle log roll overs in an intelligent way.

I sometimes do...

You can use if statements to key off of the return code of a command. You could do something similar to the following:

if ! cmp <file a> <file b>; then
echo "pass!"
fi

Sure scripts can ssh, scripts can do pretty much anything. You can send a command
from a script over ssh like so

ssh <user>@<host> <command>

The issue you get to is if you don't want to type...

I don't have a problem your solution is fine. As I said I was trying to fit with what I perceived the original poster asked for. And you are splitting hairs here. Of course you can do array creation...

From post #3...

That was part of the original posters requirements.

You could use arrays to...

t=(`echo "1 2 3 4"`)
v=(`echo "a b c d"`)

for index in "${t[@]}"; do
echo $index/${v[$index-1]}
done