bash: executing an output of a script as a script

Question

I\'m writing a simple script to generate all combinations of a and b of a given length (say 10). I want to be able to do this on a command line (I know this is fairly easy i

Answer 1

You need to use an eval, $() gives you a string.

eval $( echo echo foo )

Another option is to stick into a subshell and pipe it to a bash:

(echo echo foo) | /bin/bash