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  1. or download this
    #!/appl/cpc/bin/perl -w
use strict;
...
$! = 10;
$? = 9;
die "$!: $?";
  2. or download this
    #!/appl/cpc/bin/perl -w
use strict;
...
$!=10;
$?=9;
croak "$!: $?";
  3. or download this
      { local $@; require Carp::Heavy; }  # XXX fix require to not clear $
+@?