Re: system command takes a different environment variable from current shell?

"Karl (Xiangrong) Cai" <xcai@juniper.net> writes:
> And in vim, when I do 1) echo $c, and 2) let x = system("echo $c");
> and then "echo x", both shows "/volume/current", which is expected;
> Then inside this shell I set this variable to another value:
> <<<
> 603% setenv c /volumeNEW/current
> 604% env | grep "SHELL\|current"
> SHELL=tcsh
> c=/volumeNEW/current
> XTERM_SHELL=/bin/tcsh
>>>>
> And now in in vim, when I do "echo $c" it shows the new value
> "/volumeNEW/current",

That is very surprising, if you're not leaving anything out.

How exactly did you set the variable? The only way to get back to the
original shell without closing vim is to suspend vim (ctrl-z), but you
didn't mention doing this. I suspended vim, did setenv, put vim back in
foreground (fg), and echo $c showed the original value.

What is your _exact_ set of steps that results in echo $c showing
/volumeNEW/current ?

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