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

"Karl (Xiangrong) Cai" <xcai@juniper.net> writes:

> I thought this was pretty clear :-): And here are the steps again:
>
> 1) xterm with a login tcsh shell is created. At this time $c is set to
> /volume/current.
> 2) do " setenv c /volumeNew/current". As this time "echo $c" in this
> shell shows new value;
> 3) under vim, ":echo $c" shows new value;

Please provide _all_ the steps. According to these steps you haven't
even started vim. And are you doing the setenv to volumeNew within your
original shell (before starting vim?) or in a :! or system() call?

Also, how is the old value set in the first place? Is it in your cshrc?

> 4) under vim, ":let x = system("echo $c")", and then ":echo $c" shows
> old value.

Are you sure this is :echo $c or is it :echo x?

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