1 03/31/83  directory, dir
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 3 Syntax:  dir path
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 6 Syntax as active function:  [dir path]
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 9 Function:  returns the directory portion of path after it has been
10 expanded into an absolute pathname.
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13 Arguments:
14 path
15    is the pathname whose directory portion is to be returned.
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18 Notes:  Since the pathname is returned in quotes, the command processor
19 treats it as a single argument regardless of special characters in the
20 name.