Format Of Files And Maps

Files that define classes, i.e., F{classname}, consist of lines each of which contains a single element of the class. For example, /etc/mail/local-host-names may have the following content:

Maps must be created using makemap(8) , e.g.,

In general, a text file from which a map is created contains lines of the form

key	value

where 'key' and 'value' are also called LHS and RHS, respectively. By default, the delimiter between LHS and RHS is a non-empty sequence of white space characters.