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Date: Fri, 27 Jan 2023 10:44:37 +0300
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To: john daintree <johnd AT dyalog DOT com>, cygwin AT cygwin DOT com
Subject: Re: TMP and TMPDIR mapping
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Greetings, john daintree!

> My understanding is that Cygwin maps $TMP and $TMPDIR (and probably others)
> to a Windows form (/cygdrive/c/tmp  -> C:\tmp)

Nop. The actual mapping depends on your settings, but defaults to /tmp which
is inside Cygwin installation root.
Another option is to mount /tmp with 'usertemp' option, which would then
redirect it to the user's %TEMP%.

> when calling a WIN32 program
> (e.g. cmd.exe). Is it possible, from bash or from Cygwin startup , to add
> additional environment variable names so that they  are also automatically
> mapped in the same way?

What is your question, exactly?
What you want to achieve and what your actual observation compared to expected
behavior?


-- 
With best regards,
Andrey Repin
Friday, January 27, 2023 10:41:46

Sorry for my terrible english...


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