Re: confused by the wierd "q" option of "string.format".
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- Subject: Re: confused by the wierd "q" option of "string.format".
- From: Dirk Laurie <dpl@...>
- Date: Fri, 8 Jul 2011 11:58:05 +0200
On Fri, Jul 08, 2011 at 06:15:27AM +0200, Dirk Laurie wrote:
> The manual says:
>
> > The q option formats a string in a form suitable to be safely read
> > back by the Lua interpreter
>
This sentence has been changed in 5.2.0-beta-rc6 to:
> The q option formats a string between double quotes, using escape sequences
> when necessary to ensure that it can safely be read back by the Lua
> interpreter.
Some points made in the thread so far:
1. Suitability of the q option for any other use than as input to
the Lua interpreter is not a design objective.
2. Nevertheless, other purposes could be served without harm to the
intended purpose if instead of escaped non-printing characters,
the equivalent representation as printing ones is given, such as
`\n` and `\b` rather than escaped newline and escaped backspace.
Dirk