Change in 'cygstart' functionality?
Tue Sep 13 17:53:00 GMT 2016
On 9/13/2016 10:50 AM, Nem W Schlecht wrote:
> Hello all,
> So, I used to be able to do this in Cygwin to open a chat session (in
> my case, With Skype for Business aka S4B):
> cygstart "sip:firstname.lastname@example.org"
> But I noticed recently that this now fails with:
> Unable to start 'sipïºuser@domain.com': The specified file was not found.
> I have no idea why the colon ":" is getting converted into an a UTF
> F038 character. I'm also unsure of when this stopped working, since I
> don't use it all that often.
> I thought maybe having some slashes would be required, so I tried:
> cygstart "sip:/email@example.com"
> Unable to start 'sipïº\firstname.lastname@example.org': The specified file was not found.
> And yes, I did cut-paste that and *yes* the direction of the slash *changed*.
> With 2 slashes, a get an error in S4B that the address doesn't
> exist/is incorrect.
> With 3 slashes, a new chat window opens! But its with user
> "///user@domain" (ie - non-existant user).
> Is the way the SIP protocol needs to be called broken or did something
> change in Cygwin to require slashes as a part of cygstart?
There's no code in cygstart to recognize the SIP protocol. (It wouldn't
be hard to add such code, as was done a few years ago for "mailto:".
See line 598 of cygstart.c in the sources for the cygutils package.)
So cygstart treats "sip:email@example.com" as a file name. The funny
Unicode character you see comes from Cygwin's translation to allow ":"
as part of a file name. See
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