Check that file exists: Difference between revisions

# To verify if it's really a directory, (CAR of return value will be 'T').

# Also alternate way to perform above check.

# abu 2018-05-25

(let I (info "./docs")

(prinl

(nond

(I "Does not exist")

((=T (car I)) "Is not a directory")

(NIL "Directory exists") ) ) )