On Tue, 9 Feb 2016, Al Viro wrote: > On Mon, Feb 08, 2016 at 03:28:30PM -0500, Nicolas Pitre wrote: > > +ifdef CONFIG_TRIM_UNUSED_EXPSYMS > > +cmd_undef_syms = $(NM) $@ | sed -n 's/^ \+U \(.*\)/\1/p' | xargs echo > > Umm... sed -nre 's/^ +U //p', perhaps?
Yep, I like it better. Although I might be tempted by sed -n 's/^ \+U //p' to avoid the "non portable" mention that comes with -r (do we actually care?). Nicolas
