Re: coloring STDERR to terminal

[Atom 'Smasher' <atom@xxxxxxxxxxxxxx>]

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On Sun, 27 Jun 2004, ari wrote:

> atom@xxxxxxxxxxxxxx mentioned:
>
> > i'm not sure if this is possible without patching some sources, but here's
> > what i want to do... every time STDERR is directed to a terminal, i want
> > to filter it through _something_like_ this:
> > 	awk '{print "^[[91m"$0"^[[0m"}'
>
> Perhaps not what you're looking for, since the effect is asynchronous,
> but you _could_ do this with a variation of:
>
>  ERRFIFO=$HOME/.stderr-$TTY.fifo
>  [ -p $ERRFIFO ] || mkfifo $ERRFIFO
>  awk '{print "^[[91m"$0"^[[0m"}' <$ERRFIFO 1>&2 &
>
>  exec 2>$ERRFIFO
>
> Execution of this segment would, of course, need to be restricted to
> once per terminal session.
===================

i guess this demonstrates what you mean by "asynchronous":
	{ echo -n a ; echo -n b >&2 ; echo c ; echo d >&2 ; }

(on freeBSD, "echo -n" suppresses the newline. i don't think that option 
is portable across all flavors of *nix)

the results are ~not~ what i would've though  ;)

it also doesn't do well at all with this command:
	gpg < clearsigned_file
which outputs some lines as STDERR, other lines as STDOUT.

and this isn't working anything the way i'd expect it to:
	time date > file_stdout 2> file_stderr

it seems that i can't redirect STDERR unless i run the command in 
curly-braces or parenthesis...
	{ time date ; } > file_stdout 2> file_stderr

back-quotes don't even work.


 	...atom

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