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I'd really like to have a firm grasp on regular expressions one these days, so that information is much appreciated. Thanks, again!

Thanks a lot! This works exactly like I need it to. For my own edification, what does the new \{1,2\} portion of the regex mean in english? ;) I really appreciate the help.

Sure. You can create file.cfg with these contents:

[param_one] [/usr/local/foo]
[param_two] [23]

Then make a script with this code:

sed -e '/^\[param_two/s/[0-9]/6/' file.cfg >...

Hi all,

I'm writing a script that replaces a value in a file. The file is formatted as follows:

[param_one] [value]
[param_two] [value]

So, for this example, I'd like to replace...