use strict;
BEGIN {
my $old = select STDERR; $|++;  # turn on autoflush
select $old;             $|++;  # turn on autoflush
$0 = shift(@ARGV);              # rename the script
my $rv = do($0);                # execute the file
die $@ if $@;                   # die on parse/execute error
}
### XXX 'do' returns last statement evaluated, which may be
### undef as well. So don't die in that case.
#die $! if not defined $rv;      # die on execute error