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<HTML>
<HEAD>
<TITLE>Search Help for MH Book</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<H1>Search Help for MH Book</H1>
<!-- $Id: srchhelp.htm,v 6.0 1999/10/10 05:14:05 jpeek Exp $ -->
<P>
<STRONG>Non-frames users:
To return to the index search form, use your browser's "back" command.</STRONG>
<P>
Enter a term you want to search for.
Hints:
<UL>
<LI>
"Plain text" searches -- terms like "reply to messages" or "outputting" --
do <EM>not</EM> work in this index.
Single words, <EM>without</EM> endings like "ing" or "s", usually work best.
(The searches above would be better as "reply" or "output".)
<LI>
Upper and lower case don't matter; <I>A</I> and <I>a</I> are the same.
<LI>
If you enter part of a word, I'll search for any word that contains
those characters.
For example, if you want to find <I>directory</I> or <I>directories</I>,
you can search for <I>director</I>.
<LI>
If you type more than one word (with a space between), I'll search for
them as a phrase.
For example, enter <I>mh profile</I> to search for entries about the MH
profile.
<LI>
You can use UNIX <I>egrep -i</I> regular expressions.
(More on that below.)
<LI>
The index has three levels.
You can search multiple levels by putting a comma
(<TT>,</TT>) between levels.
For example, here's what the three levels look like, in the non-searchable
version, in your browser:
<P>
<DL>
<DT><B>exmh</B>
<DL COMPACT>
<DT>aliases
<DT>background processing
<DT>commands
<DL COMPACT>
<DT>display
<DT>geometry
<DT>Insert @
</DL>
<DT>cutting and pasting
</DL>
</DL>
<P>
To search for <I>exmh commands</I>, which is split across two levels,
you would enter the search
<PRE>
exmh, commands
</PRE>
and you would get back these three entries from the searchable index:
<PRE>
exmh, commands, display
exmh, commands, geometry
exmh, commands, Insert
</PRE>
</UL>
You can also use UNIX <I>egrep -i</I> regular expressions.
For example, there are two ways to search for either "<TT>exmh commands</TT>"
or "<TT>exmh, commands</TT>":
<UL>
<LI>enter two separate searches, or
<LI>use this <I>egrep</I> regular expression which means "the word
<TT>exmh</TT>, optionally followed by a comma, then a space and the
word <TT>commands</TT>":
<PRE>
exmh,? commands
</PRE>
</UL>
Here's another example.
To search for <TT>Content-type:</TT>,
<TT>Content-transfer-encoding:</TT>, <TT>Content-ID:</TT>, and
<TT>Content-Description:</TT>, enter:
<PRE>
content-(type|transfer-encoding|id|description):
</PRE>
The egrep anchors <TT>^</TT> and <TT>$</TT> are searched for literally, not
as anchors.
I can't search for <TT>`</TT> (backquote) or <TT>"</TT> (doublequote).
<P>
<STRONG>Non-frames users:
To return to the index search form, use your browser's "back" button.</STRONG>
<P>
<HR>
<EM>Last change $Date: 1999/10/10 05:14:05 $</EM>
<P>
This file first appeared in the updated online edition of the book
<I>MH & nmh: Email for Users & Programmers</I>, by Jerry Peek.
Copyright © 1997 by Jerry Peek.
This file is freely available; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation. For more information, see
<A HREF="copying.htm">the file <I>copying.htm</I></A>.
<P>
<ADDRESS>
<A HREF="http://www.jpeek.com/">Jerry Peek</A>
<A HREF="mailto:jpeek@jpeek.com"><jpeek@jpeek.com></A>
</ADDRESS>
</BODY>
</HTML>
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