sed: Can't open /usr/web/plan9/sources.html --rw-rw-rw- none sys 22 Jun 18 2013 email --rw-rw-rw- none sys 42 Jun 18 2013 files --rw-rw-rw- none sys 0 Jun 18 2013 notes --rw-rw-r-- none sys 454 Jun 18 2013 range.c --rw-rw-r-- none sys 309 Jun 18 2013 range.c.orig --rw-rw-rw- none sys 54 Jun 18 2013 readme sed: Can't open /usr/web/plan9/sources.html