Displays a list of all the clearinghouses whose names match the
 specified clearinghouse name.

 SYNOPSIS

      DIRECTORY CLEARINGHOUSE clearinghouse-name

                              [prepositional-phrase]

 Arguments

 clearinghouse-name

 A specific clearinghouse full name or a complete directory
 specification followed by a wildcard template for matching simple
 names of clearinghouses.

 prepositional-phrase

 A phrase that affects the destination or content of command output.
 You can use one or more prepositional phrases. Be sure to precede
 each of the following prepositional phrases with a comma and a
 space:

 with attribute [relop] value        When used with a wildcard
                                     clearinghouse-name, limits
                                     the output only to directories
                                     whose specified attributes have
                                     certain values.
 to file[=]filename                  Redirects the output to
                                     filename. If the file does not
                                     exist, this command creates
                                     it. If the file does exist, its
                                     contents are overwritten.
 to extend file[=]filename           Appends the output to an
                                     existing filename. If the file
                                     does not exist, it is created.
 to terminal                         Directs the output to the
                                     terminal. This is the default
                                     option.