On Mon, Jun 22, 2020 at 02:21:38PM +0530, Naresh Kamboju wrote: > On Fri, 8 May 2020 at 12:23, Michael Ellerman <m...@ellerman.id.au> wrote: > > # Record and dump the results > > -dmesg -c >"$LOG" > > +dmesg | diff --changed-group-format='%>' --unchanged-group-format='' > > "$DMESG" - > "$LOG" || true > > We are facing problems with the diff `=%>` part of the option. > This report is from the OpenEmbedded environment. > We have the same problem from livepatch_testcases.
Does "comm" exists in those environments? dmesg | comm -13 "$DMESG" - > "$LOG" || true this is even shorter than the diff command line. :) -- Kees Cook
