Re: ps-print variables interactive setting

[Andreas Politz <politza@fh-trier.de>]

Rodolfo Medina wrote:
> Rodolfo Medina <rodolfo.medina@gmail.com> wrote:
> 
>>> I wish to define a function that prompts me more than once: let's call it
>>> `my-function': when I type `M-x my-function', in the echo area I see (just an
>>> example):
>>>
>>>  Hi, how are you today?
>>>
>>> .  Then I type, e.g., `fine RET', and again it prompts me with:
>>>
>>>  I see.  And, what did you do yesterday?
>>>
>>> ... and so on.  Then I'm going to put some `if... else' conditions over my
>>> possible answers.  Can anybody please provide some hints about how to elisp
>>> this?
> 
> 
> 
> Barry Margolin <barmar@alum.mit.edu> writes:
> 
>> (defun my-function ()
>>   (interactive)
>>   (let* ((response (read-from-minibuffer "Hi, how are you today? "))
>>          (new-prompt (format "I see, you're %s?  And where did you go 
>> yesterday?" response))
>>          (response2 (read-from-minibuffer new-prompt)))
>>     (message "I hope you enjoyed %s" response2)))
> 
> 
> Thanks, that works.
> I wish to set some ps-print variables in an interactive way, i.e. be prompted
> for the value that I want to set.  So, following Barry's hint, I put:
> 
> 
> (defun my-manage-ps-font-size ()
>   (interactive)
>   (let* ((prompt1 (read-from-minibuffer "Font size? "))
> 	 (prompt2 (format "(quote (7 . %s))" prompt1))
> 	 )
>   (setq ps-font-size prompt2)
>     )
> )
> 
> 
> , but it seems that the variable's value is put between "" and so it is not
> accepted.  I need help in this point.  Thanks to anyone still helping.
> 
> Rodolfo


Take a look at the documentation of the interactive call, it let's you
read any kind of data from the minibuffer.

(defun my-manage-ps-font-size(size string)
   (interactive "nFont size ? \nsErase all memory ? ")
   (setq ps-font-size (cons 7 size)))

This reads a number and a string.

-ap