[clug] shell stdout and stderr

Peter Barker pbarker at barker.dropbear.id.au
Thu Dec 1 05:18:07 GMT 2005

On Thu, 1 Dec 2005, Tony and Robyn Lewis wrote:

> script (simple redirection), but not if something generates an error
> within the log wrapper, such as being unable to find / execute the
> target script/
> Clear?  Good.

OK, this isn't precisely what you wanted, and you've already said that
"exec" isn't for you.

But it's closer, and functions are good :)

You can redirect the output of functions in bash:

function dostuff() {
    echo "bob";

dostuff >bill.out 2>bill.err

So encapsulating everything in a function call might be an option you
could consider.

> Pointers appreciated.

This things are always interesting. I just spotted the "we treat
/dev/tcp/<host>/<port> specially" bit in the bash redirection stuff. Handy
if you've no netcat.

> Tony

Peter Barker                          |   N    _--_|\ /---- Barham, Vic
Programmer,Sysadmin,Geek              | W + E /     /\
pbarker at barker.dropbear.id.au         |   S   \_,--?_*<-- Canberra
You need a bigger hammer.             |             v    [35S, 149E]
"Peter is apathetic, and I'm vaguely apathetic" -- Rachel, thinking of organising a movie trip

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