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Programming ArcGIS 10.1 with Python Cookbook by Eric Pimpler

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Setting environment variables and examining tool messages

Environment variables provide additional parameters that can be set, which serve as global variables accessible at various levels including your scripts. Your scripts can get environment variable values as well as set values. You need to have an understanding of the environment variables that are available to your script as well as how they can be accessed. In addition to this, tools generate messages during execution. These messages come in several varieties.

Getting ready

Environment settings are additional parameters available to your script during execution. These are the values that you set once at the ArcGIS Desktop application level using a separate dialog box accessed through the ...

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