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Re: Loop Multiple Files and Rename [message #67751]

Sat, 22 August 2009 09:16

Jean H.
Messages: 472
Registered: July 2006

Senior Member

For your loop, start with FILE_SEARCH .This will find all your files and
return an array with every file name. Loop through this array, and use
David solution from there to change the file name

Jean

anniebryant@gmail.com wrote:
> Hi All,
>
> I have a pretty basic question.
>
> I have a list of MODIS images in a folder, all beginning with the
> prefix "MOD09GA" followed by a string of other characters, i.e.
> '.A2009138.h09v05.005.2009140163311_Grid_2D_reprojected.img'
>
> I have written a very basic little program to reorder the bands in the
> MODIS image, but I've only gotten it to work one image at a time.
>
> Ideally, I'd have a loop that takes each image from the folder,
> reorders the bands, then writes each file with a unique name.
>
> _________________________________
>
> pro MOD09GA_bandreorder
>
> ns=4578
> nl=2367
> nb=7
>
> image = fltarr(ns,nl,nb)
> morder=fltarr(ns,nl,nb)
> ;outfile=fltarr(ns,nl,nb)
>
> for i=1,11 do begin ; is this opening multiple files, or the same
> over and over?? figure it out AB!
>
> openr, i, '/users/u0609216/documents/modis/2009/Geo_2009/MOD09GA.*'
> readu, i, image
> close, i
>
> b1 = image(*,*,0)
> b2 = image(*,*,1)
> b3 = image(*,*,2)
> b4 = image(*,*,3)
> b5 = image(*,*,4)
> b6 = image(*,*,5)
> b7 = image(*,*,6)
> ; band order should be (3,4,1,2,5,6,7)
> morder[*,*,0]=b3
> morder[*,*,1]=b4
> morder[*,*,2]=b1
> morder[*,*,3]=b2
> morder[*,*,4]=b5
> morder[*,*,5]=b6
> morder[*,*,6]=b7
>
> print, "Now processing:" ,'file', i
>
> get_lun,unit
>
> openw,unit,'/users/u0609216/documents/modis/2009/reorder_200 9/
> reorder.bip'
> writeu,unit,morder
> close,unit
>
> endfor
>
> print, 'Done!'
>
> end

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[Message index]

		Re: Loop Multiple Files and Rename By: Jean H. on Sat, 22 August 2009 09:16
		Re: Loop Multiple Files and Rename By: David Fanning on Fri, 21 August 2009 16:40
		Re: Loop Multiple Files and Rename By: penteado on Fri, 21 August 2009 16:28
		Re: Loop Multiple Files and Rename By: anniebryant@gmail.com on Fri, 21 August 2009 15:13
		Re: Loop Multiple Files and Rename By: penteado on Fri, 21 August 2009 15:06

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