RosettaCodeData/Task/Make-directory-path/J/make-directory-path-2.j

18 lines
446 B
Plaintext

pathcreate=: monad define
todir=. termsep_j_ jpathsep y
todirs=. }. ,each /\ <;.2 todir NB. base dirs
msk=. -.direxist todirs NB. 1 for each non-existing dir
msk=. 0 (i. msk i: 0)}msk
dircreate msk#todirs NB. create non-existing base dirs
)
dircreate=: monad define
y=. boxxopen y
msk=. -.direxist y
if. ''-:$msk do. msk=. (#y)#msk end.
res=. 1!:5 msk#y
msk #inv ,res
)
direxist=: 2 = ftype&>@:boxopen