On Thu, Aug 21, 2003 at 09:16:08AM -0400, Laurent Daudelin wrote:
:
: I've been working on Nexstep/Openstep since 1992, so I know a bit of Unix.
: Right now, I'm trying to run a shell script from the terminal to set a few
: environment variables. Problem is, no matter what I do, the variables are
: undefined after I ran the script. I have a text file named 'setEnv.tcsh'
: like this:
:
: #!/bin/tcsh -f
: setenv FOO "bar"
: echo -n 'Foo is "'
: echo -n $FOO
: echo '".'
:
: I run it from the terminal like ./setEnv.tcsh. It runs and displays the
: value of FOO as 'Foo is "bar"', but whenever the script completes and I
: check the value of ${FOO}, I get undefined variable.
Running the shell script (tcsh? ick) like that executes everything in a
separate child process. Changes like modifying environment variables in
a child process do not propogate back up to the parent process.
To make those changes stick in the current process, you need to source it:
% source setEnv.tcsh
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Eugene Lee
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