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Date:	Tue, 30 Jun 2015 09:39:35 -0700
Message-ID:	<CAO-z7ky+2C37Y_kEjbwVoXEfcb_xwNeOBCex3wTKfBVHisuLBw@mail.gmail.com>
Subject:	Re: tclsh does not export changes to env to child process
From:	Stas Maximov <stas DOT maximov AT gmail DOT com>
To:	cygwin AT cygwin DOT com
X-IsSubscribed:	yes

Yakov,

Thanks for the reply.

Apologies for confusion. 8.5 was version of tcl as reported by
tcl_version. Please find below more information. Note that
"filename_val" is printed only once -- by tclsh, but the child (bash)
does not see environment variable FILENAME.

Any specific information that you might want to see?

Stas.


$ which tclsh
/usr/bin/tclsh

$ cygcheck.exe -c tcl cygwin
Cygwin Package Information
Package              Version        Status
cygwin               2.0.4-1        OK
tcl                  8.5.18-1       OK

$ cat test_env_export1.tcl
set env(FILENAME) filename_val
puts $env(FILENAME)
puts [exec /bin/bash -c {echo $FILENAME}]
puts $env(EDITOR)
puts [exec /bin/bash -c {echo $EDITOR}]

$ tclsh test_env_export1.tcl
filename_val

vim
vim


On Mon, Jun 29, 2015 at 2:45 PM, Stas Maximov <stas DOT maximov AT gmail DOT com> wrote:
> Hi,
>
> Tcl shell does not export changes to array variable env:
>   http://wiki.tcl.tk/env
>
> Test script: test_env_export1:
> --------- begin ----------
> set env(FILENAME) filename_val
> puts $env(PATH)
> puts [exec /bin/bash -c {echo $PATH}]
> puts $env(FILENAME)
> puts [exec /bin/bash -c {echo $FILENAME}]
> --------- end ----------
>
> Expect two lines of output "filename_val", receive only one. The bug
> affects 'guitool' feature of git-gui.
>
> cygwin 2.0.4-1
> tclsh 8.5
>
>
> Thanks,
> Stas.

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