output to specified file.

</DL>

<P>
The results are written to standard output if no output file is specified
or if it is <SAMP>`-&acute;</SAMP>.

</P>


<H3><A NAME="SEC84" HREF="gettext_toc.html#TOC84">7.3.3  Message selection</A></H3>


<PRE>
  [-N <VAR>sourcefile</VAR>]... [-M <VAR>domainname</VAR>]...
  [-K <VAR>msgid-pattern</VAR>] [-T <VAR>msgstr-pattern</VAR>] [-C <VAR>comment-pattern</VAR>]
</PRE>

<P>
A message is selected if

<UL>
<LI>it comes from one of the specified source files,

<LI>or if 