I am trying to set environment variable using Perl. It should export this variable outside (in current shell) not just in the script.

I tried:

`setenv X1 /p/fsd`

system("setenv X1 /p/fsd") == 0 or die "failed:$?"

system command "setenv X1 /p/fsd" failed: -1

$ENV{"X1"} = "/p/fsd";

Nothing seems to be working.

If it matters i am using TCSH.

perl variables environment tcsh
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