Changes the name of old_name to new_name. This will also change any references to old_name that may occur in other combinations in the database. If the -f variation of the command is used, all old_name new_name pairings are read from the mapping_file and processed as previously stated.
Example 1. Change the name of an object everywhere it occurs in the database.
mvall shapea shapeb
Changes the name of shapea to shapeb everywhere it occurs in the database.
Example 2. This example shows a simple mapping file.
# this line is a comment
foo bar # another comment, replacing foo with bar