[prog] C programming - capturing information sent to stdout

[Sue Stones]

Mary wrote:

> 
>Note that assert, because it makes your program crash, is not designed
>to handle *expected* error (error that you anticipate happening in the
>normal course of your programming running) like badly formed input from
>users (imagine if Firefox crashed every time you put in a URL that
>didn't work!) or the network going down, or the database returning no
>results.
>  
>
Thanks for your explanation Mary, that was great.  I was wondering about 
things like replacing all the error checking around things like opening 
a file ... (open file, check if its open, in not print an error message, 
and then exit(1) ).
It would certainly make that code more readable. 

sue