- or download this
>perl -wle "print abc;"
Unquoted string "abc" may clash with future reserved word at -e line 1
+.
...
>perl -wle "print -abc;"
-abc
- or download this
>perl -wle "print -90.0.0.1"
-Z^@^@^A
...
>perl -wle "print -91.0.0.1"
Argument "[\0\0^A" isn't numeric in negation (-) at -e line 1.
0
- or download this
$uint32_ip = unpack 'N', 90.0.0.1;