Re: selected word as parameter to function

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

Rodrigo Canellas wrote:
> Thanks, but I would like to write it myself...
> 
> I will try to get the input from the cursor's position later. For now, I 
> would like the user to input the text.
> 
> So, I tried this:
> 
> (defun my-grep (pattern)
>  "this is my grep - still developing"
>  (interactive "sEnter the text to search for: ")
>  (grep -nH -R --include="*.cpp" --include="*.h" --include ="*.c" -e 
> pattern .)
> )
> 

The argument to the grep function must be a complete shell command as
a string.

(grep (concat "grep -nH -R --include=\"*.cpp\" --include=\"*.h\" --include =\"*.c\" -e " pattern ))


> When I type 'M-x my-grep', and input "Good", 'emacs' reports:
> 
> my-grep: Symbol's value as variable is void: -nH
> 
> I tried 'C-h f grep' and I could not realize what I am doing wrong...
> 
> All the help is much appreciated...
> 
> Thanks!!
> 
> Drew Adams escreveu:
>>> I would like to create a function that would execute:
>>>
>>> grep -nH -R --include="*.cpp" --include="*.h" --include ="*.c" -e 
>>> "'selected-word'" .
>>>
>>> Where 'selected-word' would be the word where the cursor is at (or 
>>> below?).
>>>     
>>
>> See the code in grep+.el, which does that. See option 
>> `grepp-default-regexp-fn'
>> and how it is used.
>> (In addition, if the region is active, `grep' (in grep+.el) puts 
>> quotes around
>> it and uses that as the search string instead of the cursor word.)
>>
>> http://www.emacswiki.org/emacs/grep%2b.el (code)
>>
>> http://www.emacswiki.org/emacs/GrepPlus (doc)
>>
>>   
> 
>