[Tcl-bugs] [ tcl-Bugs-1591407 ] anomaly in [file tail] under ~ expansion

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Bugs item #1591407, was opened at 2006-11-07 01:46
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Category: 36. File System
Group: current: 8.5a5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Colin McCormack (coldstore)
Assigned to: Vince Darley (vincentdarley)
Summary: anomaly in [file tail] under ~ expansion

Initial Comment:
[file tail ~fred/wilma] will return "wilma", but [file
tail ~fred] will error, if there is no ~fred (that is,
if the user fred does not exist.)

It seems that when the terminal element of a file
path/name is ~, it is expanded.

I think that there's no good reason for [file tail] to
have an existential interpretation, but that
normalization of the path with a ~-element forces the
existence to be tested implicitly and unintentionally.


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