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The Order in which Compiler Directives are Processed

Compiler directives can be specified using more than one method. During compilation, they are processed in a particular order according to the method in which they have been specified.

The Compiler processes directives specified on the command line from left to right. If a directive appears more than once, the Compiler uses the setting that it processed last for that directive.

The Compiler processes directives in the following order:

  1. Directives contained within the system-wide directives file cobol.dir.
    Note: If NOCOBOLDIR is set anywhere, the directives in this file are not processed.
  2. From within the IDE, directives set in the project or file properties.
  3. Directives set via the $SET statement within the source code.

    In addition, you can set directives in a user directives file, which you specify with the USE directive; these are processed when they are encountered.

In addition to this order, you can set directives in a user directives file, which you specify with the USE directive; these are processed when they are encountered.

The above order means that, for example, a directive set using a $SET statement would override the setting for that directive that has been set in the project properties.

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