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Re: FTP downloading in IDL [message #80924 is a reply to message #80923]

Mon, 23 July 2012 07:58

nerdzoo
Messages: 4
Registered: July 2012

Junior Member

On 7/21/12 3:50 PM, JBT wrote:
> Dear all,
>
> So, does anyone know a working solution to download a file from an FTP server, please? Your help is much appreciated!
>

Both socket and IDLnetUrl methods worked on my OS X Lion + IDL 8.2:

IDL> help,!version,/st
** Structure !VERSION, 8 tags, length=104, data length=100:
ARCH STRING 'x86_64'
OS STRING 'darwin'
OS_FAMILY STRING 'unix'
OS_NAME STRING 'Mac OS X'
RELEASE STRING '8.2'
BUILD_DATE STRING 'Apr 10 2012'
MEMORY_BITS INT 64
FILE_OFFSET_BITS
INT 64
IDL>
IDL> url = ' ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/INDICES/KP_AP/2 008'
IDL> read_ftp, url, file = '2008'
<220- ----- Notice -----
<220-
<220- This is a United States Department of Commerce computer system, which
<220- may be accessed and used only for official Government business by
<220- authorized personnel. Unauthorized access or use of this computer
<220- system may subject violators to criminal, civil, and/or administrative
<220- action.
<220-
<220- All information on this computer system may be intercepted, recorded,
<220- read, copied, and disclosed by and to authorized personnel for
<220- official purposes, including criminal investigations. Access or use of
<220- this computer system by any person whether authorized or unauthorized,
<220- constitutes consent to these terms.
<220-
<220- ----- Notice -----
<220-
<220- Questions/Problems should be directed to ngdc.linux-admin@noaa.gov
<220
>USER anonymous
>PASS test@test.com
>TYPE I
>CWD /STP/GEOMAGNETIC_DATA/INDICES/KP_AP
>SIZE 2008
>PASV
>RETR 2008
>QUIT
IDL>

And as David noted, the IDLnetUrl method was almost instantaneous. The
socket method took 45 sec.

-Caesar

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[Message index]

		Re: FTP downloading in IDL By: Michael Galloy on Mon, 23 July 2012 09:46
		Re: FTP downloading in IDL By: nerdzoo on Mon, 23 July 2012 07:58
		Re: FTP downloading in IDL By: Paul Van Delst[1] on Mon, 23 July 2012 07:16
		Re: FTP downloading in IDL By: Jianbao on Sat, 21 July 2012 16:01
		Re: FTP downloading in IDL By: lecacheux.alain on Sat, 21 July 2012 14:22
		Re: FTP downloading in IDL By: David Fanning on Sat, 21 July 2012 14:25
		Re: FTP downloading in IDL By: skymaxwell@gmail.com on Sun, 29 July 2012 12:24
		Re: FTP downloading in IDL By: Jianbao on Mon, 06 August 2012 01:39

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