## Name

cat — Displays a brief description of each item in the list of objects.

## Synopsis

`cat` {`objects`}

## DESCRIPTION

Displays a brief description of each item in the list of objects. If the item is a primitive shape, the type of shape and its vertex are displayed. If the item is a combination, the Boolean formula for that combination - including operands, operators, and parentheses - is displayed. If the combination is flagged as a region, then that fact is also displayed along with the region's ident code, air code, los, and GIFT material code.

## EXAMPLES

The example shows the use of the cat command to display Boolean formulas for two regions.

Example 1. Displaying Boolean formulas for two regions.

`mged>` `cat region_1 region_2`

  Displays the Boolean formulas for region_1 and region_2.

## BUG REPORTS

Reports of bugs or problems should be submitted via electronic mail to <devs@brlcad.org>, or via the "cadbug.sh" script.