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s" foo.out" w/o create-file throw Value fd-out
The available file modes are r/o for read-only access, r/w for
read-write access, and w/o for write-only access. You could open both
files with r/w, too, if you like. All file words return error codes; for
most applications, it's best to pass there error codes with
to the outer error handler.
If you want words for opening and assigning, define them as follows:
0 Value fd-in 0 Value fd-out : open-input ( addr u -- ) r/o open-file throw to fd-in ; : open-output ( addr u -- ) w/o create-file throw to fd-out ;
s" foo.in" open-input s" foo.out" open-output
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