Wednesday, December 07, 2016
I installed ENVI 5.4 and then separately installed IDL 8.6 to the same machine. I then started an IDL session from the IDL installation and tried to start ENVI by issuing the following command at the IDL> prompt: e = envi(). The result was "% Syntax error." What is the problem?
The behavior described is expected when attempting to start ENVI 5.4 from a separate IDL 8.6 installation.
Note that it is not necessary to install both IDL 8.6 and ENVI 5.4 to a machine in order to use ENVI+IDL. Beginning with ENVI 5.4, the ENVI product installer will install its own copy of IDL 8.6 beneath the main "envi54" product directory. For example, on Windows this location would be:
If you were to install IDL 8.6 separately, the directory would be:
The solution to this problem then is to start your IDL session from the IDL product that is included under the ENVI 5.4 installation before issuing the command "e = envi()".
Reviewed by JU (12/7/2016)
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