## Name

dbconcat — Concatenates an existing BRL-CAD database to the database currently being edited.

## Synopsis

`dbconcat` [`-t`] [`-u`] [`-c`] [`-s|-p`] {`database_file`} [`affix`]

## DESCRIPTION

Concatenates an existing BRL-CAD database to the database currently being edited. If an affix is supplied, then all objects from the database_file will have the affix added to their names as a suffix (if the -s option is specified), or as a prefix (if the -p option is specified). The -p is the default. Note that each BRL-CAD object must have a unique name, so care must be taken not to "dbconcat" a database that has objects with names the same as objects in the current database. The dup command may be used to check for duplicate names. If the dup command finds duplicate names, use the prefix option to both the dup and dbconcat commands to find a prefix that produces no duplicates. If duplicate names are encountered during the "dbconcat" process, computer-generated prefixes will be added to the object names coming from the database_file (but member names appearing in combinations will not be modified, so this is a dangerous practice and should be avoided). The -t option indicates that the title of the database_file should become the title of the currently edited database. The -u option indicates that the units of the database_file should become the units of the currently edited database. Similarly, the -c option indicates that the region color table of the currently edited database should be replaced with that of the database_file.

## EXAMPLES

This example shows the use of the dbconcat command to copy all objects in a particular database to the current database. It also shows how to add a particular prefix to every object copied.

Example 1. Copy objects in a specified database to the current one and add a prefix to all the copied objects.

`mged>` `dbconcat model_two.g two_`

Copies all the objects in model_two.g to the current database, but prefixes the name of every object copied with the string two_.

Another example shows a usage to import the title, units, color table, and all the objects of a database file into the current database. This is particularly useful if the current database is empty or just created by mged.

Example 2. Copy an entire database, including title, units, and color table, to the current database without any affix

`mged>` `dbconcat -t -u -c model_two.g`

Copies all the objects in model_two.g to the current database, including the title, units, and color table. No suffix or prefix is added to the object names.

## BUG REPORTS

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