sed: Can't open /usr/web/plan9/sources.html --rw-rw-r-- yk sys 294 Mar 4 2015 assert.h --rw-rw-r-- yk sys 287 Mar 4 2015 assert.h.orig --rw-rw-rw- yk sys 18 Mar 4 2015 email --rw-rw-r-- yk sys 35 Mar 4 2015 files --rw-rw-r-- yk sys 0 Mar 4 2015 notes --rw-rw-r-- yk sys 142 Mar 4 2015 readme sed: Can't open /usr/web/plan9/sources.html