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Rebol Programming/exit

< Rebol Programming
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USAGE:

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EXISTS? target

DESCRIPTION:

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Determines if a file or URL exists.

EXISTS? is a function value.

ARGUMENTS

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  • target -- (Type: file url)

SOURCE CODE

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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]
]
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