String interpolation

[Ovid]

--- Daniel Barlow <dan at telent.net> wrote:
>   DB<2> x "2 plus 2 is @{[2+2]}"
> 0  '2 plus 2 is 4'
>   DB<3> x "hello, my name is @{[ucfirst getlogin()]}.  Who are you?"
> 0  'hello, my name is Dan.  Who are you?'
> 
> I can't remember having seen this before: is that because (a) it's
> new (unlikely, I know), (b) it's a bad idea, or (c) I just don't pay
> enough attention when reading other people's code?

It's not new, but it should be used with caution.  If you put too much
logic in there, it can get very confusing when a string throws an
exception.

Cheers,
Ovid

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