Add the :def . readFile example.
Prelude> :def make (\_ -> return ":! ghc ––make Main")
</screen>
+ <para>We can define a command that reads GHCi input from a
+ file. This might be useful for creating a set of bindings
+ that we want to repeatedly load into the GHCi session:</para>
+
+<screen>
+Prelude> :def . readFile
+Prelude> :. cmds.ghci
+</screen>
+
+ <para>Notice that we named the command
+ <literal>:.</literal>, by analogy with the
+ ‘<literal>.</literal>’ Unix shell command that
+ does the same thing.</para>
</listitem>
</varlistentry>