That's an awesome idea. I'd love to try that one day. Your command isn't valid because it's missing a control character after 'bar', such as ';'. Bash rejects

That's an awesome idea. I'd love to try that one day. Your command isn't valid because it's missing a control character after 'bar', such as ';'. Bash rejects it as well: $ bash -c "foo() { bar }" bash: -c: line 1: syntax error: unexpected end of file