Windows provides $ENV{COMSPEC} to denote the shell, much like unixish OSes have $ENV{SHELL}, so a better way on Windows is to launch $ENV{COMSPEC}:

system($ENV{COMSPEC}) == 0
    or warn "Error launching '$ENV{COMSPEC}': $! / $?'";

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In reply to Re^2: Perl calling command prompt? by Corion
in thread Perl calling command prompt? by Ans

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