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Words by Giuseppe Bilotta [Fri, Oct 07, 2005 at 04:14:27PM +0200]: > On Wed, 5 Oct 2005 23:05:34 +0200 (CEST), Bodo Eggert wrote: > > > Files are deleted if the last reference is gone. If you play a music file > > and unlink it while it's playing, it won't be deleted untill the player > > closes the file, since an open filehandle is a reference.> > BTW, I've always wondered: is there a way to un-unlink such a file? > Well, you can go to /proc/$PID_OF_PROCESSING_OPENING_THE_FILE/fd/ do an ls -la, identify the fd of the file deleted but still open and do a cp $FD ~/my_deleted_file Example: [japc@morgoth:/proc/3743/fd]$ ls -al total 4 dr-x------ 2 japc japc 0 Oct 7 15:25 . dr-xr-xr-x 4 japc japc 0 Oct 7 15:23 .. lr-x------ 1 japc japc 64 Oct 7 15:25 0 -> /dev/null l-wx------ 1 japc japc 64 Oct 7 15:25 1 -> /home/japc/.xsession-errors l-wx------ 1 japc japc 64 Oct 7 15:25 2 -> /home/japc/.xsession-errors lr-x------ 1 japc japc 64 Oct 7 15:25 255 -> /usr/bin/startkde [japc@morgoth:/proc/3743/fd]$ cp 255 ~/startkde -- Jose Celestino | http://xpto.org/~japc/files/japc-pgpkey.asc ---------------------------------------------------------------- "Thus the metric system did not really catch on in the States, unless you count the increasing popularity of the nine-millimeter bullet." -- Dave Barry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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