Re: Passing variables by reference conflicts with local

2010-05-02 Thread Chet Ramey
On 5/1/10 6:19 PM, Freddy Vulto wrote: > I have to give local variables a value (append an equal sign) in order > to get them listed with 'local' in "blackbox()". Is there a bash > builtin which lists all defined local variable names, even those not > having a value yet? A variable that has not

Re: Passing variables by reference conflicts with local

2010-05-02 Thread Dennis Williamson
I would discourage the use of "l" (ell) as a variable name for readability. I like the fact that _blackbox_called_by uses a parameter rather than parsing the caller's name. This allows you to permit multiple callers to a common private function, if needed. However, I'm assuming that you will name

Re: Passing variables by reference conflicts with local

2010-05-02 Thread Freddy Vulto
Here's another revised version. I figured I could use bash internal `printf -v' just before the `eval' to check if the variable name is a valid identifier. This should be an exceptional case, so I don't mind doing this at the end of the function - checking just before the eval. Now it's also eas