Re: Compile problems

--- On Tue, 10/26/10, Bart Trojanowski <[email protected]> wrote:

> > I wanted to see the first error that came out of make,
> > but it scrolls off the 
> > screen. Why does "make | more" not pause it for me?
> > "less" doesn't work either. 
> 
> Less will only read from stdin, and not stderr, where make
> and friends
> write out errors. You can run something like:
> 
>   make 2>&1 | less
> 
> The "2>&1" means:
>  "2" take stderr
>  ">&" pipe that to another file descriptor
>  "1" use stdin
> 
> "| less" will now read from stdin and get the errors from
> your build.

Bart's comments are correct.

Another way is the "script" command.
It's also useful for taking a note of interactive config files that
ask you questions.
    % script log.txt
    Script started, file is log.txt
    % make
    ...
    ^D
    % exit
    Script is done, file is log.txt
    % less log.txt

roland


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