C:\usr\local\share\PassThru\perl>perl -Mwarnings -Mstrict -e "my $cmd = q|C:\Program Files\Mozilla Firefox\firefox.exe|; open my $fh, '-|', $cmd, '--version' or die $!; my $out = do { local $/; <$fh> }; close $fh or die $! ? $! : qq(\$?=$?); print $out"
Mozilla Firefox 61.0.2