Can someone please outline to me how I can perform a system call like the following? 
system q[ start /b /wait /low perl C:/Perl_activate/Run_this.pl] or pr
+int STDERR "couldn't exec the perl program: $!";

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and in addition pass a variable to the program Run_this.pl. This variable needs to be a two or three letter string. The program Run_this.pl needs to be able to pick up this variable and use it. I’m assuming that I need to use an @ARGV in the Run_this.pl program.

In reply to command-line arguments and @ARGV by Win

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