> On Jul 3, 2020, at 10:32 AM, bug-b...@trodman.com wrote: > > This does what I want: > > --8<---------------cut here---------------start------------->8--- > _tee_stderr () > { > <<'____eohd' > SYNOPSIS > > ourname > > DESCRIPTION > > Use in a pipe. Leaks STDIN to STDERR. Passes STDIN to STDOUT unchanged. > > EXAMPLE > > $ seq 5 |_tee_stderr |tail -2 > /tmp/bar ; echo;cat /tmp/bar > 1 > 2 > 3 > 4 > 5 > > 4 > 5 > > ____eohd > > ( tmpf=$( mktemp ~/tmp/$FUNCNAME.XXX ); > cat > $tmpf; > cat $tmpf 1>&2; > cat $tmpf; > rm -f $tmpf ); > return; > } > --8<---------------cut here---------------end--------------->8--- > > What is better/cleaner?
An ad hoc function that forcibly writes the entire input to disk and doesn't even clean up after itself if it's interrupted, versus a widely known, standard tool that's just as easy to use? What's wrong with `foo | tee /dev/stderr | bar`? vq