George Davidovich <[email protected]> already gave an answer.
Markiyan Kushnir wrote:
what is easily done with tee for stdout cannot be done for stderr. Looks
like there is no easy way to make a pipeline using stderr separately
from stdout. If you want to watch output of the stderr separately from
stdout, you might manage for it in two consoles:
% foo 2>err
% tail -f err
Markiyan.
Nerius Landys wrote:
if error output of some program appear on screen,
it is possible to print it also to some file simultaneously ?
Since you said "simultaneously", it made me think of the command tee.
man tee?
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