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Re: IDL input files. [message #54527 is a reply to message #54525]

Mon, 18 June 2007 11:41

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

ryanselk@gmail.com wrote:
> ive been reading some manuals and books for IDL but im not sure how to
> solve this likely simple problem.
>
> I have this I need to input to idl (.txt file):
>
> Name = {Joe}
> Department = {CS}
> Age = {25}
>
>
> and in IDL i need to save each attribute to its own variable. But if,
> lets day, department is ommited I want it to not input age as
> department. With c/c++ this isnt so bad as you can search the file for
> a 'keyword' and print the value from there, but I cant find how to do
> this in IDL.

Well, I don't think you can search the file in IDL, but you can read it in line by line
and search the lines. Why not create the file as IDL commands? e.g.:

pro test

; Create file to read
openw, lun, 'test.input', /get_lun
printf, lun, 'Name = "Joe"'
printf, lun, 'Department = "CS"'
printf, lun, 'Age = 25'
free_lun, lun

; Now read the file
openr, lun, 'test.input', /get_lun
buffer = ' '
while not eof(lun) do begin
readf, lun, buffer
result = execute(buffer)
endwhile
free_lun, lun
help, name, department, age

end

??

IDL> .run test
% Compiled module: TEST.
IDL> test
NAME STRING = 'Joe'
DEPARTMENT STRING = 'CS'
AGE INT = 25

IDL> $more test.input
Name = "Joe"
Department = "CS"
Age = 25

--
Paul van Delst Ride lots.
CIMSS @ NOAA/NCEP/EMC Eddy Merckx

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[Message index]

		Re: IDL input files. By: Michael Galloy on Mon, 18 June 2007 17:27
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 15:19
		Re: IDL input files. By: Paul Van Delst[1] on Mon, 18 June 2007 14:23
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 12:59
		Re: IDL input files. By: David Fanning on Mon, 18 June 2007 12:15
		Re: IDL input files. By: Paul Van Delst[1] on Mon, 18 June 2007 11:41
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 11:40
		Re: IDL input files. By: ryanselk on Mon, 18 June 2007 11:35
		Re: IDL input files. By: David Fanning on Mon, 18 June 2007 10:38

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