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Re: idl workbench on linux does not support 64 bits [message #64695]

Tue, 13 January 2009 18:39

C.E. Ordonez
Messages: 10
Registered: May 2004

Junior Member

Giorgio wrote:
> Hi Folks,
> I am installing idl on ubuntu 8.10. The command line program works
> correctly for the 64 bits in memory. However the idlde workbench does
> not. Has anyone faced this before? I contacted the support on the itt
> company and seems that idlde was build by 32 machines only.
> This will show up if you type
> help, !version, /structure
> and it will show if it has 32 or 64 bits for managing the memory.
>
> Giorgio

Check https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/14 8511

This is due to a missing "/bin/arch" command in Ubuntu 8.10. The Linux
section in the "idlde" script in $IDL_DIR/bin uses this command
(/bin/arch) to test if running 32- or 64-bit version. The best solution
proposed was to create a /bin/arch script (executable) containing the
following two lines:

#!/bin/bash
uname -m

It worked for me.

-Caesar

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Re: idl workbench on linux does not support 64 bits [message #64746 is a reply to message #64695]

Thu, 15 January 2009 00:22

Giorgio
Messages: 31
Registered: March 2008

Member

Thanks, it worked nicely.
If I print out the !version internal variable it shows the use of 64
bits for memory.
I even tried to put a big array of 1000 x 1000 x 1000 of floats into
memory and it did it (however my computer became reaaally slow). I am
not sure if it is possible to do this in a 32 bits machine under
linux.

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