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>perl -lw sand_parent.pl 5 ... >perl -v This is perl, v5.8.8 built for MSWin32-x86-multi-thread (with 25 registered patches, see perl -V for more detail)
$ perl -lw sand_parent.pl 5 ... $ perl -v This is perl, v5.8.4 built for i386-linux-thread-multi