On 09/12/2024 12.46, Corinna Vinschen via Cygwin wrote:
On Dec 6 13:23, Federico Kircheis via Cygwin wrote:
Hello,
was it considered to add a flag to cygpath to output a path in unc format?
No. But it wouldn't be much work.
It would be very nice if it ever happens.
For example, the folder
C:\test.
cannot be accessed from many Windows applications (powershell and cmd
included) because of the trailing dot, while cygwin has no issue creating,
accessing and deleting such files/folders.
Using an unc path
\\?\C:\test.
solves the issue for some programs, but cygpath currently misses an option
for creating such path.
As a workaround you can just prepend the long path prefix:
echo -n '\\?\'; cygpath ...
Which is what I'm doing, plus special-casing
1)
root path, like C:\ , because for whatever reason \\?\C:\ is not valid,
it has to be a subfolder (and trying to trick it with \\?\C:\\ does not
work either).
2)
unmounted network drives (\\server\path)
I'm not sure how a --unc should handle those cases.
For all things I have in mind, not appending \\?\ is preferred, but
someone might expect a hard error.
Either way, it is another reason why it makes sense for cygpath to
handle those cases, currently I have to parse it's output before
prepending '\\?\'.
Notice that creating a dos path leads to an error.
I don't understand. Creating which DOS path with which application?
I meant that it is not possible to create a DOS path to C:\test., thus
using a dos path is not a viable workaround to unc:
----
> cd 'C:/test.'
> cygpath -ws .
cygpath: cannot create short name of .
----
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