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Re: read ascii [message #63764 is a reply to message #10591]

Mon, 17 November 2008 07:18

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

Brian Larsen schrieb:
> yikes, bytes, bits, structures, and splitting oh my. That certainly
> works but... yikes
>

yeah

can one make a speed comparision and the other question can format be
used with structures too?

cheers
Reimar

> This can be done with a cleaver call to format and a type conversion
> that is (in my opinion) the best and fastest way. Play with the type
> conversion as you want I didn't include it here.
>
> lines=file_lines('test.dat')
> dat = strarr(3, lines)
> openr, lun, 'test.dat', /get_lun
> readf, lun, dat, format = '(a4,a16,a)'
> free_lun, lun
> IDL> print, dat[0,*]
> SMA
> SMA
> SMA
> SMA
> SMA
> SMA
> SMA
> SMA
> SMA
> SMA
> IDL> print, dat[1,*]
> 200001010010
> 200001010020
> 200001010030
> 200001010040
> 200001010050
> 200001010100
> 200001010110
> 200001010120
> 200001010130
> 200001010140
> IDL> print, dat[2,*]
> 0
> 0
> 1
> 0
> 3
> 4
> 5
> 0
> 0
> 0
>
>
> Cheers,
>
> Brian
>
> ------------------------------------------------------------ --------------
> Brian Larsen
> Boston University
> Center for Space Physics
> http://people.bu.edu/balarsen/Home/IDL
>
>
>

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[Message index]

		Read ASCII By: DMottershead on Thu, 08 January 1998 00:00
		Re: Read ASCII By: davidf on Wed, 07 January 1998 00:00
		Re: read ascii By: David Fanning on Mon, 17 November 2008 06:35
		Re: read ascii By: julia.walterspiel on Mon, 17 November 2008 07:11
		Re: read ascii By: R.Bauer on Mon, 17 November 2008 04:32
		Re: read ascii By: julia.walterspiel on Mon, 17 November 2008 03:08
		Re: read ascii By: greg michael on Mon, 17 November 2008 02:55
		Re: read ascii By: julia.walterspiel on Mon, 17 November 2008 08:09
		Re: read ascii By: julia.walterspiel on Mon, 17 November 2008 07:43
		Re: read ascii By: R.Bauer on Mon, 17 November 2008 07:18
		Re: read ascii By: David Fanning on Mon, 17 November 2008 07:24
		Re: read ascii By: R.Bauer on Mon, 17 November 2008 07:13
		Re: read ascii By: Brian Larsen on Mon, 17 November 2008 07:14
		Re: read ascii By: David Fanning on Mon, 17 November 2008 07:13

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