comp.lang.idl-pvwave archive: archive » Re: Read ASCII File with tab seperator

Home » Public Forums » archive » Re: Read ASCII File with tab seperator

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Read ASCII File with tab seperator [message #75390 is a reply to message #75389]

Wed, 02 March 2011 09:30

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On 3/2/11 10:01 AM, naoh wrote:
> Hi everyone,
>
> I'm trying to read an ascii file with tabs as seperator. The catch is
> that when the value equals zero, it is not actually written into the
> file. Example 1 gives the file as it should look like if zeros where
> present. Example 2 gives the actual file ('0' 'TAB' have been replaced
> by 'TAB' only).
> I've used the following code for example 1 but can't figure out how to
> read example 2 without messing the data up.
> data = fltarr(4,4)
> readf, lun, data
>
> Thank very much for your help!
>
> EXAMPLE 1:
> 1 0 0 0
> 2 0 10 10
> 3 0 12 12
> 4 0 10 10
>
> EXAMPLE 2:
> 1
> 2 10 10
> 3 12 12
> 4 10 10

[507]> d = read_ascii('test.txt', missing_value=0, delimiter=string(9B))
[508]> help, d
** Structure <15b14b8>, 1 tags, length=64, data length=64, refs=1:
FIELD1 FLOAT Array[4, 4]
[509]> print, d.field1
1.00000 0.00000 0.00000 0.00000
2.00000 0.00000 10.0000 10.0000
3.00000 0.00000 12.0000 12.0000
4.00000 0.00000 10.0000 10.0000

Mike
--
www.michaelgalloy.com
Research Mathematician
Tech-X Corporation

Report message to a moderator

[Message index]

		Re: Read ASCII File with tab seperator By: noahh.schwartz on Fri, 04 March 2011 06:16
		Re: Read ASCII File with tab seperator By: Mark Piper on Thu, 03 March 2011 08:03
		Re: Read ASCII File with tab seperator By: Paul Van Delst[1] on Wed, 02 March 2011 11:09
		Re: Read ASCII File with tab seperator By: penteado on Wed, 02 March 2011 10:27
		Re: Read ASCII File with tab seperator By: wlandsman on Wed, 02 March 2011 10:19
		Re: Read ASCII File with tab seperator By: Carsten Lechte on Wed, 02 March 2011 10:12
		Re: Read ASCII File with tab seperator By: Michael Galloy on Wed, 02 March 2011 09:50
		Re: Read ASCII File with tab seperator By: David Fanning on Wed, 02 March 2011 09:41
		Re: Read ASCII File with tab seperator By: Michael Galloy on Wed, 02 March 2011 09:30
		Re: Read ASCII File with tab seperator By: David Fanning on Wed, 02 March 2011 09:20

Previous Topic:	Anonymous Math Functions in IDL like Matlab
Next Topic:	Re: IDL Astron Library now uses Coyote Graphics

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 23:13:52 PDT 2025

Total time taken to generate the page: 0.16083 seconds