comp.lang.idl-pvwave archive: archive » Re: Extracting info from the ASCII file with IDL

Home » Public Forums » archive » Re: Extracting info from the ASCII file with IDL

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

Re: Extracting info from the ASCII file with IDL [message #73585]

Thu, 18 November 2010 08:55

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

On Nov 18, 2:40 pm, Gray <grayliketheco...@gmail.com> wrote:
> Use READCOL from the NASA IDL astronomy library to read the first
> column. Then do n_elements(uniq(data,sort(data))).

Or use the built in read_ascii(). Like:

IDL> a=((read_ascii('unascii.txt')).(0))[0,*]
IDL> print,n_elements(uniq(a[sort(a)]))
4

Report message to a moderator

[Message index]

		Re: Extracting info from the ASCII file with IDL By: penteado on Thu, 18 November 2010 08:55
		Re: Extracting info from the ASCII file with IDL By: Kenneth P. Bowman on Thu, 18 November 2010 08:27
		Re: Extracting info from the ASCII file with IDL By: Gray on Thu, 18 November 2010 08:40

Previous Topic:	Extracting info from the ASCII file with IDL
Next Topic:	Re: PostScript Background Color Preference

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 01:19:14 PDT 2025

Total time taken to generate the page: 1.35935 seconds