detect sas path and use it.
detect sas path and use it.


Former-commit-id: 14d2783aff9451bd62f5c971d095981a51de3288 [formerly adf83c4c2bf9d7715b5eda70ef7aceca1f232aee]
Former-commit-id: 13c98526202f9ed90032280873c9e148e06eb05c
jld23/saspy,jld23/saspy