| Re: Chopping up a string [message #24985] |
Wed, 09 May 2001 12:30  |
Amar Nayegandhi
Messages: 15
Registered: May 2001
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Junior Member |
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"Noam R. Izenberg" wrote:
>
> I have a question about chopping up a string of numbers into seperate inter variables.
>
> I have a set of 5 numbers in a string seprated by spaces (e.g.string= '0 1 2 3 4'), and i need to
> chop them into seperate integer variables (var1=0, var2=1 etc...) I would use the various strmid
> commends exept the size of the numbers is not always the same. Sometimes one or more of the numbers
> will be 2 or more digits. (e.g. '14 14 256 5 2').
>
> Is there any neat trick to doing this?
[
you can use the strsplit keyword in IDL.
e.g: array_of_strings = strsplit(string, /extract) ;the default pattern
to switch at is whitespace
array_of_integers = fix(array_of_strings)
-amar
]
*************************************************
Murphy's Law of Research:
Enough research will tend to support your theory.
*************************************************
Amar Nayegandhi
Graduate Student
Department of Computer Science,
University of South Florida, Tampa.
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| Re: Chopping up a string [message #24987 is a reply to message #24985] |
Wed, 09 May 2001 09:29  |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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"Noam R. Izenberg" <noam.izenberg@jhuapl.edu> writes:
> I have a set of 5 numbers in a string seprated by spaces
> (e.g.string= '0 1 2 3 4'), and i need to chop them into seperate
> integer variables (var1=0, var2=1 etc...) I would use the various
> strmid commends exept the size of the numbers is not always the
> same. Sometimes one or more of the numbers will be 2 or more
> digits. (e.g. '14 14 256 5 2').
IDL> string= '0 1 2 3 4'
IDL> vars = long(str_sep(strcompress(string),' '))
IDL> help, vars
VARS LONG = Array[5]
IDL> print, vars
The STRCOMPRESS is optional if you can guarantee a single space
between numbers.
Craig
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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