show space used by postgres

while (( 1==1 )); do du -c . >> output.log; sleep 2; done; tail -f output.log
this command shows the space used in postgres directory.
Sample Output
4	./pg_twophase
5364	./base/17868
5268	./base/11563
5268	./base/1
114288	./base/11564
4	./base/pgsql_tmp
5736	./base/19846
135932	./base
268584	.
268584	total

-5
By: aceiro
2010-07-12 17:23:45

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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