Sure you can (provided Acme::Bleach is installed, or you ship it with the script) — but it's only very weak obfuscation, i.e. easily reversible...

For an alternative very weak obfuscation, but without needing to go to the bother of installing the weakly obfuscating module on the target system, see Acme::EyeDrops.

Re hiding your script, see: Re: Hiding your Script (Security through Obscurity References).