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Allegro - Tip of the Week: Read-only variables

PCBTech

There is a method for a site administrator to make variables read-only. Add a “readonly” entry under the respective variable. In the following example, you wish to prevent end users from modifying PSMPATH. The readonly psmpath command is added just below the "set psmpath" variable.

To verify this in PCB Editor, type readonly at the command-line prompt. The resultant pop-up window lists the variables that are read-only.

When an attempt is made to change PSMPATH in the User Preferences Editor, a pop-up window will specify that the variable is ReadOnly and all icons/entries will be disabled/greyed out:

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