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<TITLE>u (Update) command</TITLE>
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<H1>u (Update) command</H1>
<P>Update older files in the archive and add files that are not already in the archive.</P>
<P>Note: the updating of solid .7z archives can be slow, since it
can require some recompression.</P>
<H4>Example</H4>
<PRE class="example">
7z u archive.zip *.doc
</PRE>
<P>updates <SPAN class="filename">*.doc</SPAN> files to archive
<SPAN class="filename">archive.zip</SPAN>.</P>
<H4>Notes</H4>
<P>7-Zip doesn't use the system wildcard parser. 7-Zip doesn't
follow the archaic rule by which *.* means any file. 7-Zip treats
*.* as matching the name of any file that has an extension. To process
all files, you must use a * wildcard.</P>
<H4>Switches that can be used with this command</H4>
<P>
<A href="../switches/include.htm">-i (Include)</A><BR>
<A href="../switches/method.htm">-m (Method)</A><BR>
<A href="../switches/password.htm">-p (Set Password)</A><BR>
<A href="../switches/recurse.htm">-r (Recurse)</A><BR>
<A href="../switches/sfx.htm">-sfx (create SFX)</A><BR>
<A href="../switches/stdin.htm">-si (use StdIn)</A><BR>
<A href="../switches/stdout.htm">-so (use StdOut)</A><BR>
<A href="../switches/sni.htm">-sni (Store NT security information)</A><BR>
<A href="../switches/sns.htm">-sns (Store NTFS alternate Streams)</A><BR>
<A href="../switches/shared.htm">-ssw (Compress shared files)</A><BR>
<A href="../switches/spf.htm">-spf (Use fully qualified file paths)</A><BR>
<A href="../switches/stl.htm">-stl (Set archive timestamp from the most recently modified file)</A><BR>
<A href="../switches/type.htm">-t (Type of archive)</A><BR>
<A href="../switches/update.htm">-u (Update)</A><BR>
<A href="../switches/working_dir.htm">-w (Working Dir)</A><BR>
<A href="../switches/exclude.htm">-x (Exclude)</A>
</P>
<H4>See also</H4>
<P>
<B>Commands:</B>
<A href="add.htm">a (Add)</A>,
<A href="delete.htm">d (Delete)</A>,
</P>
<P>
<B>Switches:</B>
<A href="../switches/update.htm">-u (Update)</A>
</P>
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