How to capture the output of a top command in a file in linux?

Question

I want to write the output of a specific \'top\' command to a file. I did some googling and find out that it can be done by using the following command.

top         


        

Answer 1

Here is the 1-liner I like to use on my mac:

top -o -pid -l 1 | grep "some regexp"

Cheers.