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[ferret_users] ferret v6.1 versus ferret v6.0



Dear ferreters,

I found 2 boring bugs with the last version of ferret v6.1 by
comparison with ferret v6.0:

1. The commands listed in script1.jnl (in attachment) kill ferret v6.1
and not ferret v6.0.

2. Ferret  6.1 takes munch more memory to open and close files than
ferret v6.0 which can be a problem when we open (and after close)
several large files in a ferret script. I think that the command "cancel
data/all" does not clean the memory with ferret 6.1.
If you run script2.jnl, the size of memory used by ferret 6.0 is 30Mo
for 85Mo with ferret 6.1.
If I remove the command "cancel data/all" in script2.jnl, the size of
memory used by ferret 6.0 is then also 85Mo.

I use the 32bit version of ferret on a OpenSuse Linux 10.3 x86_64. The
same problems occur with ferret v6.1 (v6.07, v6.08) 32/64bit.

Have you got any suggestions to resolve these bugs because I have a lot
of scripts that do not work more with the last versions of ferret.

Thanks in advance,

Xavier F.

--
Dr. Xavier Fettweis
University of Liège
Department of Geography
Laboratory of Climatology (Bat. B11)
allée du 6 Août, 2, 4000 Liège, Belgium
Phone : +32 4 3665468
Fax   : +32 4 3665722
Email : xavier.fettweis@xxxxxxxxx
Web   : http://www.climato.ulg.ac.be/u/fettweis


!repeat/name=yyyy/range=1948:1999 (sp wget "ftp://ftp.cdc.noaa.gov/Datasets/ncep.reanalysis.dailyavgs/surface/air.sig995.`yyyy`.nc"; ;)

repeat/name=yyyy/range=1948:1999 (\
 use "air.sig995.`YYYY`.nc";\
 list/clobber/file=data.dat AIR[l=@ave];\
 cancel data/all; cancel mem/all;\            
)


let file="coads_climatology.cdf"
use "`file`"

let P=T ; let Q=SST; set grid Q ; go regresst ; 
shade slope

shade/title=`file` slope


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