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djberg96 (2603)

djberg96
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Journal of djberg96 (2603)

Monday December 13, 2004
11:04 AM

Path name survey

[ #22286 ]
"A path name is-a String".

True or false?

I say "true", but I seem to be in the minority. Most folks seem not to be able to conceptually separate the *name* from the physical node on the disk.

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  • It has properties beyond those of a string, indicating well-formedness, existence of its target, and so on. Still, it is a string. What's the counter-argument?
    --
    rjbs
    • What about UTF-8 filenames? And Unix filenames have additional restrictions: no NULL or slash characters. It may be a string, but it's probably got it's own encoding rules.

      -Dom

      • Yes. Those sort of well-formedness rules are the things that add to and restrict the kind of string that a path name is. An integer is a number, even though it's a restricted kind.
        --
        rjbs
  • The stringiness of a path name isn't the important thing, it's the pathiness :)

    I'd say a path name should have an asString method that can represent the path name as a string (duh :), but not that it is-a string.