sed: Can't open /usr/web/plan9/sources.html --rw-rw-rw- none sys 20 Jul 11 2014 email --rw-rw-rw- none sys 29 Jul 11 2014 files --rw-rw-rw- none sys 0 Jul 11 2014 notes --rw-rw-rw- none sys 63 Jul 11 2014 readme --rw-rw-r-- none sys 23217 Jul 11 2014 vdb.c --rw-rw-r-- none sys 23217 Jul 11 2014 vdb.c.orig sed: Can't open /usr/web/plan9/sources.html