I have some open source software packages that were written in Ruby by a
party that make use of external programs. For the purposes of security
auditing, and for making appropriate fixes, I need to locate all
within the code, where an external program is being called.
What keywords or functions would I need to locate?
I am thinking of using grep to simply search for the function names.
that be sufficient, or is it possible that function names are split
several lines, making it possible for some instances to be missed during