red — Creates a file describing the specified combination and starts an editor for the user to modify the combination.
Creates a file describing the specified combination and starts an editor for the user to modify the combination. The environment EDITOR variable will be used to select the editor. If EDITOR is not set, then /bin/ed will be used. All the attributes of BRL-CAD regions and combinations may be edited in this way. The region-specific attributes will be ignored if the combination is not a region and is not set to be a region during editing. It is not necessary to be in an editing mode to run this command. The rm, r, comb, c, and g commands provide some basic combination editing capabilities.
The example shows the use of the red command to edit a specified combination with the user's editor.
Example 1. Create a file describing a specified combination and edit the combination.
mged>red group2
Edits the combination group2 with the users editor of choice.
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