On 4 May 2013 07:48, Nick Coghlan <ncogh...@gmail.com> wrote: > We don't need examples of arbitrary data file extentions, we need > examples of 4 letter extensions that are known to work correctly when > placed on PATHEXT, including when called from PowerShell. In the > absence of confirmation that 4-letter extensions work reliably in such > cases, it seems wise to abbreviate the Windows GUI application > extension as .pzw. > > I've also cc'ed Steve Dower, since investigation of this kind of > Windows behavioural question is one of the things he offered > distuils-sig help with after PyCon US :)
Nick, thanks for passing this on. Your explanation of the issue is precisely correct. For information (I should have included this in the original message) here's the Powershell bug report I found: https://connect.microsoft.com/PowerShell/feedback/details/238550/power-shell-trimming-extension-to-3-characters-when-resolving-file-associations Unfortunately the link to the referenced discussion in that report is inaccessible :-( Paul
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