Incomplete environ when running MinGW apps?
Thu Feb 7 17:52:00 GMT 2008
On 2008-02-07 16:28Z, Paul Leder wrote:
> [...] I've written an app which runs on Linux and
> "Windows". Most of the time on "Windows", it's probably going to be
> running on Cygwin/bash. However, there's always going to be someone who
> runs it in a DOS box.
> So, my problem is, how do I find out if they've got a sane shell or not?
> I can't ask them to export SHELL; I might as well just ask them to
> provide a command-line arg to tell me what their shell is anyway. I need
> some automatic way to do it.
cat >what_shell.c <<\EOF
z = system("uname");
gcc -mno-cygwin -o what_shell.exe -W -Wall -pedantic -ansi what_shell.c
Cygwin bash output:
'uname' is not recognized as an internal or external command,
operable program or batch file.
Of course, that'll report a sane shell even in CMD.EXE if
Cygwin's /bin is on $PATH, but IIRC that might be what you
want: for example, it'll tell you whether you can run 'ls'
or have to fall back on 'dir'.
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