Re: [Help-bash] Is there a way to swap stdout with stderr?

[Bob Proulx]

Eduardo A. Bustamante López wrote:
> Peng Yu wrote:
> > Hi, I want to swap stdout and stderr of a command. I.e., I want to
> > print the output of stdout to stderr and the output of stderr to
> > stdout. Is there is a way to do so?
> 
> I'd do something like:
> 
> |    command 3>&1 1>&2 2>&3
> 
> The fd #3 works as a temporary variable to help in the swap.

And then 3>&- to close the temporary 3 to complete the cleanup. :-)

  command 3>&1 1>&2 2>&3 3>&-

Bob