Improvement: code generates output folder

[elmbeech]

physicell will run into an error if there not already an output folder exist (with whatever the exact name specified under in the settings.xml). it would be nice if the physicell in the beginning automatically checks if such a folder exists and, if not, generate it.

[MathCancer]

That's a good idea. Let's revisit this for 1.13.2.

[elmbeech]

this is how it how i do it currently by bash.

!if [ ! -d output ]; then mkdir -p output; fi;