On Friday 12 February 2010 05:57 PM, Patrick O'Callaghan wrote: > On Fri, 2010-02-12 at 16:42 -0800, Suvayu Ali wrote: >> On Friday 12 February 2010 04:36 PM, Suvayu Ali wrote: >>> On Friday 12 February 2010 04:07 PM, Patrick O'Callaghan wrote: >>>> Editors can do funny things with backup files in the interests of >>>> preserving your work. An easier test would be: >>>> >>>> cat> foo& >>>> rm foo >>>> lsof +L1 -s >>>> >>>> When I do this the "cat" process shows up (and foo is marked as >>>> deleted). You can then reconnect to "cat" (using fg) and write stuff >>>> into the "non-existent" file. >> >> Another observation I forgot to mention, when I used fg and wrote to the >> (deleted) file I could also see the size of the file increase. However >> using `C-z' and fg again gave me back the orginal empty file _without_ >> the edits. > > How do you know it doesn't have the edits if you can't open it? So after I resume the edit with fg %1, I can't see what I had input the last time. Strangely though I see the size is the same (same as after my first edit). Here is the transcript from my terminal. > $ cat > foo & > [1] 3843 > > [1]+ Stopped cat > foo > $ rm foo > $ lsof +L1 -s > COMMAND PID USER FD TYPE DEVICE SIZE NLINK NODE NAME > cat 3843 jallad 1w REG 253,2 0 0 15032 /home/jallad/foo (deleted) > $ fg %1 > cat > foo > testing deleted files > ^Z > [1]+ Stopped cat > foo > $ lsof +L1 -s > COMMAND PID USER FD TYPE DEVICE SIZE NLINK NODE NAME > cat 3843 jallad 1w REG 253,2 22 0 15032 /home/jallad/foo (deleted) > $ fg %1 > cat > foo > ^Z > [1]+ Stopped cat > foo > $ lsof +L1 -s > COMMAND PID USER FD TYPE DEVICE SIZE NLINK NODE NAME > cat 3843 jallad 1w REG 253,2 22 0 15032 /home/jallad/foo (deleted) Is this expected? > > poc > -- Suvayu Open source is the future. It sets us free. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
