Re: Wondering about the print out function of PS

[Camaleón <noelamac@gmail.com>]

On Tue, 23 Nov 2010 17:29:49 +0800, Magicloud Magiclouds wrote:

> On Tue, Nov 23, 2010 at 5:24 PM, Camaleón wrote:

>>> I meant code-wise, just using printf would give a wrap output, right?
>>
>> Ah... I haven't read the source code.
>>
>> Do you see any call to the standard printf() function? It seems ps
>> command integrates some output formatting options :-?
>
> This is where I got confused. From my understanding of the code, ps
> calculates the width of the screen/string, and cut the output source
> string "manually".
> But I do not know how it gets the width of the screen.

Well... gathering information about the running terminal is possible:

sm01@stt008:~$ stty -a | grep column
speed 38400 baud; rows 63; columns 86; line = 0;

But how does internally do "ps"? Dunno :-?

Greetings,

-- 
Camaleón