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Why doesn't this work? [message #7836]

Thu, 09 January 1997 00:00

Tim Abbott
Messages: 4
Registered: January 1997

Junior Member

Can anyone tell me why this doesn't work?

I need to extract the four numbers from the string "[123:456,246:135]"

Here is the code segment I'm trying to use:
IDL> str = "[123:456,246:135]"
IDL> reads,str,x1,x2,x3,x4,format='(4(1X,I0))'
% Unable to apply format code I to input: "]".
% Execution halted at: $MAIN$
IDL> print,x1,x2,x3
123.000 246.000 0.00000
IDL> print,x1,x2,x3,x4
% PRINT: Variable is undefined: X4.
% Execution halted at: $MAIN$

Any ideas?

--
Timothy M. C. Abbott
http://www.cfht.hawaii.edu/~tmca/tmca.html

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