mailx.html

posix标准英文,html格式

<h5><a name="tag_04_83_13_27"></a>Display Message with Headers</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>P</tt><b>[</b><tt>rint</tt><b>] [</b><i>msglist</i><b>]</b><tt>T</tt><b>[</b><tt>ype</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Write the specified messages, including all header lines, to standard output. Override suppression of lines by the
<b>discard</b>, <b>ignore</b>, and <b>retain</b> commands. If <b>crt</b> is set, the messages longer than the number of lines
specified by the <b>crt</b> variable shall be paged through the command specified by the <i>PAGER</i> environment variable.</p>

<h5><a name="tag_04_83_13_28"></a>Display Message</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>p</tt><b>[</b><tt>rint</tt><b>] [</b><i>msglist</i><b>]</b><tt>t</tt><b>[</b><tt>ype</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Write the specified messages to standard output. If <b>crt</b> is set, the messages longer than the number of lines specified by
the <b>crt</b> variable shall be paged through the command specified by the <i>PAGER</i> environment variable.</p>

<h5><a name="tag_04_83_13_29"></a>Quit</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>q</tt><b>[</b><tt>uit</tt><b>]
</b><i>end-of-file</i>
</pre>
</dd>
</dl>

<p>Terminate <i>mailx</i>, storing messages that were read in <b>mbox</b> (if the current mailbox is the system mailbox and unless
<b>hold</b> is set), deleting messages that have been explicitly saved (unless <b>keepsave</b> is set), discarding messages that
have been deleted, and saving all remaining messages in the mailbox.</p>

<h5><a name="tag_04_83_13_30"></a>Reply to a Message List</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>R</tt><b>[</b><tt>eply</tt><b>] [</b><i>msglist</i><b>]</b><tt>R</tt><b>[</b><tt>espond</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Mail a reply message to the sender of each message in the <i>msglist</i>. The subject line shall be formed by concatenating
<b>Re:</b> &lt;space&gt; (unless it already begins with that string) and the subject from the first message. If <b>record</b> is
set to a filename, the response shall be saved at the end of that file.</p>

<p>See also the <b>flipr</b> variable.</p>

<h5><a name="tag_04_83_13_31"></a>Reply to a Message</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>r</tt><b>[</b><tt>eply</tt><b>] [</b><i>message</i><b>]</b><tt>r</tt><b>[</b><tt>espond</tt><b>] [</b><i>message</i><b>]</b>
</pre>
</dd>
</dl>

<p>Mail a reply message to all recipients included in the header of the message. The subject line shall be formed by concatenating
<b>Re:</b> &lt;space&gt; (unless it already begins with that string) and the subject from the message. If <b>record</b> is set to a
filename, the response shall be saved at the end of that file.</p>

<p>See also the <b>flipr</b> variable.</p>

<h5><a name="tag_04_83_13_32"></a>Retain Header Fields</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>ret</tt><b>[</b><tt>ain</tt><b>] [</b><i>header-field</i><tt>...</tt><b>]</b>
</pre>
</dd>
</dl>

<p>Retain the specified header fields when writing messages. This command shall override all <b>discard</b> and <b>ignore</b>
commands. The comparison of header fields shall be in a case-insensitive manner. If no arguments are specified, write a list of the
currently retained header fields to standard output; the listing need not reflect the same order of header fields that were
entered.</p>

<h5><a name="tag_04_83_13_33"></a>Save Messages</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>s</tt><b>[</b><tt>ave</tt><b>] [</b><i>file</i><b>]</b><tt>s</tt><b>[</b><tt>ave</tt><b>] [</b><i>msglist</i><b>]</b> <i>file</i><tt>S</tt><b>[</b><tt>ave</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Save the specified messages in the file named by the pathname <i>file</i>, or the <b>mbox</b> if the <i>file</i> argument is
omitted. The file shall be created if it does not exist; otherwise, the messages shall be appended to the file. The message shall
be put in the state <i>saved</i>, and shall behave as specified in the description of the <i>saved</i> state when the current
mailbox is exited by the <b>quit</b> or <b>file</b> command.</p>

<p>In the capitalized form, save the specified messages in a file whose name is derived from the author of the first message. The
name of the file shall be taken to be the author's name with all network addressing stripped off. See also the <b>Copy</b>,
<b>followup</b>, and <b>Followup</b> commands and <b>outfolder</b> variable.</p>

<h5><a name="tag_04_83_13_34"></a>Set Variables</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>se</tt><b>[</b><tt>t</tt><b>] [</b><i>name</i><b>[</b><tt>=</tt><b>[</b><i>string</i><b>]]</b> <tt>...</tt><b>] [</b><i>name</i><tt>=</tt><i>number</i> <tt>...</tt><b>] [</b><tt>no</tt><i>name</i> <tt>...</tt><b>]</b>
</pre>
</dd>
</dl>

<p>Define one or more variables called <i>name</i>. The variable can be given a null, string, or numeric value. Quoting and
backslash escapes can occur anywhere in <i>string</i>, as described previously, as if the <i>string</i> portion of the argument
were the entire argument. The forms <i>name</i> and <i>name</i>= shall be equivalent to <i>name</i>="" for variables that take
string values. The <b>set</b> command without arguments shall write a list of all defined variables and their values. The <b>no</b>
<i>name</i> form shall be equivalent to <b>unset</b> <i>name</i>.</p>

<h5><a name="tag_04_83_13_35"></a>Invoke a Shell</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>sh</tt><b>[</b><tt>ell</tt><b>]</b>
</pre>
</dd>
</dl>

<p>Invoke an interactive command interpreter (see also <i>SHELL ).</i></p>

<h5><a name="tag_04_83_13_36"></a>Display Message Size</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>si</tt><b>[</b><tt>ze</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Write the size in bytes of each of the specified messages.</p>

<h5><a name="tag_04_83_13_37"></a>Read mailx Commands From a File</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>so</tt><b>[</b><tt>urce</tt><b>]</b> <i>file</i>
</pre>
</dd>
</dl>

<p>Read and execute commands from the file named by the pathname <i>file</i> and return to command mode.</p>

<h5><a name="tag_04_83_13_38"></a>Display Beginning of Messages</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>to</tt><b>[</b><tt>p</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Write the top few lines of each of the specified messages. If the <b>toplines</b> variable is set, it is taken as the number of
lines to write. The default shall be 5.</p>

<h5><a name="tag_04_83_13_39"></a>Touch Messages</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>tou</tt><b>[</b><tt>ch</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Touch the specified messages. If any message in <i>msglist</i> is not specifically deleted nor saved in a file, it shall be
placed in the <b>mbox</b> upon normal termination. See <b>exit</b> and <b>quit</b>.</p>

<h5><a name="tag_04_83_13_40"></a>Delete Aliases</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>una</tt><b>[</b><tt>lias</tt><b>] [</b><i>alias</i><b>]</b><tt>...
</tt>
</pre>
</dd>
</dl>

<p>Delete the specified alias names. If a specified alias does not exist, the results are unspecified.</p>

<h5><a name="tag_04_83_13_41"></a>Undelete Messages</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>u</tt><b>[</b><tt>ndelete</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Change the state of the specified messages from deleted to read. If <b>autoprint</b> is set, the last message of those restored
shall be written. If <i>msglist</i> is not specified, the message shall be selected as follows:</p>

<ul>
<li>
<p>If there are any deleted messages that follow the current message, the first of these shall be chosen.</p>
</li>

<li>
<p>Otherwise, the last deleted message that also precedes the current message shall be chosen.</p>
</li>
</ul>

<h5><a name="tag_04_83_13_42"></a>Unset Variables</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>uns</tt><b>[</b><tt>et</tt><b>]</b> <i>name</i><tt>...
</tt>
</pre>
</dd>
</dl>

<p>Cause the specified variables to be erased.</p>

<h5><a name="tag_04_83_13_43"></a>Edit Message with Full-Screen Editor</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>v</tt><b>[</b><tt>isual</tt><b>] [</b><i>msglist</i><b>]</b>
</pre>
</dd>
</dl>

<p>Edit the given messages with a screen editor. Each message shall be placed in a temporary file, and the utility named by the
<i>VISUAL</i> variable shall be invoked to edit each file in sequence. The default editor shall be <a href=
"../utilities/vi.html"><i>vi</i></a>.</p>

<p>The <b>visual</b> command does not modify the contents of those messages in the mailbox.</p>

<h5><a name="tag_04_83_13_44"></a>Write Messages to a File</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>w</tt><b>[</b><tt>rite</tt><b>] [</b><i>msglist</i><b>]</b> <i>file</i>
</pre>
</dd>
</dl>

<p>Write the given messages to the file specified by the pathname <i>file</i>, minus the message header. Otherwise, it shall be
equivalent to the <b>save</b> command.</p>

<h5><a name="tag_04_83_13_45"></a>Scroll Header Display</h5>

<dl compact>
<dt><i>Synopsis</i>:</dt>

<dd>
<pre>
<tt>z</tt><b>[</b><tt>+|-</tt><b>]</b>
</pre>
</dd>
</dl>

<p>Scroll the header display forward (if <tt>'+'</tt> is specified or if no option is specified) or backward (if <tt>'-'</tt> is
specified) one screenful. The number of headers written shall be set by the <b>screen</b> variable.</p>

<h5><a name="tag_