[PD] question about echo and shell

[Hans-Christoph Steiner]

On Sep 11, 2011, at 12:20 PM, Mathieu Bouchard wrote:

> On Sun, 11 Sep 2011, Pedro Lopes wrote:
>
>> I usually go for [system] for simple shell related things and it  
>> works with echo perfectly (but once again its in ubuntu).
>
> In theory, there is not any difference between OSX and GNU/Linux for  
> [shell] and [system] and some more. They both have system(),  
> popen(), fork(), exec(), and /bin/bash (except very old OSX).
>
> It's usually when trying with the other OSes that things can go  
> wrong. Windows needs different code for doing this, and has a  
> different shell. Apple iOS would be like OSX but it disables those  
> functions completely. Android can have /bin/bash but it's not there  
> by default, and its libc is different.
>


In practice, [shell], [system], and [popen] the objects work quite a  
bit differently.

.hc


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