> perl -wle '
q(foo) =~ m/.*/;
eval <>;'
    print $&; q(snarf) =~ m/.*/ ; eval <>;

    #prints 'foo', not 'snarf' and waits for input;




##</code><code>##

> perl -le ' my $incr = 0;
q( print $incr++, $& and " stew" =~ /.*/ and eval $& until $incr > 10) =~ /.*/;
eval <>;'

  eval $&;  # prints '0 ( guesswhat) '..'10 stew' (versions differ on -w)