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Ferret script question
Hi all: I am new to ferret and have a basic question about jnl files:
I am trying to automate the process of looking at the derivative of a
certain portion of a vector which I read from a netCDF file.
I tried to write a .jnl file to do the trick:
file: 'foo.jnl':
let idx = msl_alt[l=@loc:$1]
let ll = idx-100
let ul = idx+100
let d0 = exphasel1[l=ll:ul]
let d1 = d0[l=@ddf]
plot d1
But when I run this file (go foo 7, for example) it chokes on the line
let d0 = exphasel1[l=ll:ul]
with this error message:
**ERROR: command syntax: LL
Apparently one cannot use variables in the specification of the range of
a variable! This works fine if I use numbers in place of ll and ul.
Does anyone know a way around this?
Many thanks,
Doug Hunt
dhunt@ucar.edu
Software Engineer III
UCAR - GPS/MET
Tel. (303) 497-2611
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