GRASS programs create these .tmp files. Some remove them, others
don't. Sometimes this is due to programmer negligence, other
times due to machine crashes, program crashes, etc. There is a
program in the GRASS etc/ directory class clean_temp. It is run
at the end of each GRASS session and cleans up this .tmp
directory. It only removes files that have process-ids in the
name of processes that are no longer running. If you leave GRASS
and there are programs running in the background, temp files
"owned" by these processes are not removed (for obvious reasons).
If you use GRASS on a regular basis then eventually these files
will be removed. But if you only run GRASS once in a while, it is
possible that .tmp files created by background processes will be
left around for a while (ie, until the processes finish and
you re-enter and exit from GRASS using the same database,
location, and mapset).
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|I have a small problem that one or some Grass programs are littering down
|the file system in the directory $LOCATION/.tmp/hostname/ .
|
|These files are named processnumber.0 ( eg. 20999.0 ) and are quite
|small. They between 1 and 100 byte large, but the number of them
|seems to grow rapidly. I try delete these every week manually but
|today for instance did I have about 13000 files like that after 3 days
|of work with Grass. Together that was more than 13 mbyte of disk
|space !! I have some scripts that are using r.mapcalc, r.reclass and
|r.neighbors heavily. I run run these scripts 10 - 20 hours a day, but I am
|not sure which program that is not cleaning up after itself. A little
|help would be nice since I haven't had the time to investigate this
|myself yet. Maybe some out there knows the answers and how to fix it.
|