REBOL Programming/exit
From Wikibooks, open books for an open world
Contents |
USAGE: [edit]
EXISTS? target
DESCRIPTION: [edit]
Determines if a file or URL exists.
EXISTS? is a function value.
ARGUMENTS [edit]
- target -- (Type: file url)
SOURCE CODE [edit]
exists?: func [
"Determines if a file or URL exists."
target [file! url!]
/local ret
][
either error? try [
target: make port! target
query target
] [false] [found? target/status]
]
This page may need to be