xref: /aosp_15_r20/external/libxml2/doc/xmllint.html (revision 7c5688314b92172186c154356a6374bf7684c3ca)
1*7c568831SAndroid Build Coastguard Worker<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>xmllint</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry"><a name="idm1"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>xmllint &#8212; command line <acronym class="acronym">XML</acronym> tool</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">xmllint</code>  [ <code class="option">--version</code>  |   <code class="option">--debug</code>  |   <code class="option">--quiet</code>  |   <code class="option">--shell</code>  |   <code class="option">--xpath "<em class="replaceable"><code>XPath_expression</code></em>"</code>  |   <code class="option">--debugent</code>  |   <code class="option">--copy</code>  |   <code class="option">--recover</code>  |   <code class="option">--nodict</code>  |   <code class="option">--noent</code>  |   <code class="option">--noout</code>  |   <code class="option">--nonet</code>  |   <code class="option">--path "<em class="replaceable"><code>PATH(S)</code></em>"</code>  |   <code class="option">--load-trace</code>  |   <code class="option">--htmlout</code>  |   <code class="option">--nowrap</code>  |   <code class="option">--valid</code>  |   <code class="option">--postvalid</code>  |   <code class="option">--dtdvalid <em class="replaceable"><code>URL</code></em></code>  |   <code class="option">--dtdvalidfpi <em class="replaceable"><code>FPI</code></em></code>  |   <code class="option">--timing</code>  |   <code class="option">--output <em class="replaceable"><code>FILE</code></em></code>  |   <code class="option">--repeat</code>  |   <code class="option">--insert</code>  |   <code class="option">--compress</code>  |   <code class="option">--html</code>  |   <code class="option">--xmlout</code>  |   <code class="option">--push</code>  |   <code class="option">--memory</code>  |   <code class="option">--max-ampl <em class="replaceable"><code>INTEGER</code></em></code>  |   <code class="option">--maxmem <em class="replaceable"><code>NBBYTES</code></em></code>  |   <code class="option">--nowarning</code>  |   <code class="option">--noblanks</code>  |   <code class="option">--nocdata</code>  |   <code class="option">--format</code>  |   <code class="option">--encode <em class="replaceable"><code>ENCODING</code></em></code>  |   <code class="option">--dropdtd</code>  |   <code class="option">--nsclean</code>  |   <code class="option">--testIO</code>  |   <code class="option">--catalogs</code>  |   <code class="option">--nocatalogs</code>  |   <code class="option">--auto</code>  |   <code class="option">--xinclude</code>  |   <code class="option">--noxincludenode</code>  |   <code class="option">--loaddtd</code>  |   <code class="option">--dtdattr</code>  |   <code class="option">--stream</code>  |   <code class="option">--walker</code>  |   <code class="option">--pattern <em class="replaceable"><code>PATTERNVALUE</code></em></code>  |   <code class="option">--relaxng <em class="replaceable"><code>SCHEMA</code></em></code>  |   <code class="option">--schema <em class="replaceable"><code>SCHEMA</code></em></code>  |   <code class="option">--c14n</code>  |   <code class="option">--pedantic</code> ] { <em class="replaceable"><code>XML-FILE(S)</code></em>...  |   - }</p></div><div class="cmdsynopsis"><p><code class="command">xmllint</code>   <code class="option">--help</code> </p></div></div><div class="refsect1"><a name="description"></a><h2>DESCRIPTION</h2><p>
2*7c568831SAndroid Build Coastguard Worker        The <span class="command"><strong>xmllint</strong></span> program parses one or more <acronym class="acronym">XML</acronym> files,
3*7c568831SAndroid Build Coastguard Worker        specified on the command line as <em class="replaceable"><code>XML-FILE</code></em>
4*7c568831SAndroid Build Coastguard Worker        (or the standard input if the filename provided
5*7c568831SAndroid Build Coastguard Worker        is <span class="bold"><strong>-</strong></span> ). It prints various types of
6*7c568831SAndroid Build Coastguard Worker        output, depending upon the options selected. It is useful for detecting
7*7c568831SAndroid Build Coastguard Worker        errors both in <acronym class="acronym">XML</acronym> code and in
8*7c568831SAndroid Build Coastguard Worker        the <acronym class="acronym">XML</acronym> parser itself.
9*7c568831SAndroid Build Coastguard Worker    </p><p><span class="command"><strong>xmllint</strong></span> is included in <span class="citerefentry"><span class="refentrytitle">libxml</span>(3)</span>.</p></div><div class="refsect1"><a name="options"></a><h2>OPTIONS</h2><p>
10*7c568831SAndroid Build Coastguard Worker        <span class="command"><strong>xmllint</strong></span> accepts the following options (in alphabetical order):
11*7c568831SAndroid Build Coastguard Worker    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">--auto</code></span></dt><dd><p>Generate a small document for testing purposes.</p></dd><dt><span class="term"><code class="option">--catalogs</code></span></dt><dd><p>
12*7c568831SAndroid Build Coastguard Worker                    Use the <acronym class="acronym">SGML</acronym> catalog(s) from <code class="envar">SGML_CATALOG_FILES</code>.
13*7c568831SAndroid Build Coastguard Worker                    Otherwise <acronym class="acronym">XML</acronym> catalogs starting
14*7c568831SAndroid Build Coastguard Worker                    from <code class="filename">/etc/xml/catalog</code> or, more specifically,
15*7c568831SAndroid Build Coastguard Worker                    <code class="filename">${sysconfdir}/xml/catalog</code> are used by default.
16*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--compress</code></span></dt><dd><p>
17*7c568831SAndroid Build Coastguard Worker                    Turn on <span class="citerefentry"><span class="refentrytitle">gzip</span>(1)</span> compression of output.
18*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--copy</code></span></dt><dd><p>Test the internal copy implementation.</p></dd><dt><span class="term"><code class="option">--c14n</code></span></dt><dd><p>
19*7c568831SAndroid Build Coastguard Worker                    Use the W3C <acronym class="acronym">XML</acronym> Canonicalisation (<acronym class="acronym">C14N</acronym>) to
20*7c568831SAndroid Build Coastguard Worker                    serialize the result of parsing to <code class="filename">stdout</code>.
21*7c568831SAndroid Build Coastguard Worker                    It keeps comments in the result.
22*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--dtdvalid <em class="replaceable"><code>URL</code></em></code></span></dt><dd><p>
23*7c568831SAndroid Build Coastguard Worker                    Use the <acronym class="acronym">DTD</acronym> specified by
24*7c568831SAndroid Build Coastguard Worker                    an <em class="replaceable"><code>URL</code></em> for validation.
25*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--dtdvalidfpi <em class="replaceable"><code>FPI</code></em></code></span></dt><dd><p>
26*7c568831SAndroid Build Coastguard Worker                    Use the <acronym class="acronym">DTD</acronym> specified by a Formal Public
27*7c568831SAndroid Build Coastguard Worker                    Identifier <em class="replaceable"><code>FPI</code></em> for validation, note that this
28*7c568831SAndroid Build Coastguard Worker                    will require a catalog exporting that Formal Public Identifier to work.
29*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--debug</code></span></dt><dd><p>
30*7c568831SAndroid Build Coastguard Worker                    Parse a file and output an annotated tree of the
31*7c568831SAndroid Build Coastguard Worker                    in-memory version of the document.
32*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--debugent</code></span></dt><dd><p>Debug the entities defined in the document.</p></dd><dt><span class="term"><code class="option">--dropdtd</code></span></dt><dd><p>Remove <acronym class="acronym">DTD</acronym> from output.</p></dd><dt><span class="term"><code class="option">--dtdattr</code></span></dt><dd><p>
33*7c568831SAndroid Build Coastguard Worker                    Fetch external <acronym class="acronym">DTD</acronym> and populate the tree with
34*7c568831SAndroid Build Coastguard Worker                    inherited attributes.
35*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--encode <em class="replaceable"><code>ENCODING</code></em></code></span></dt><dd><p>Output in the given encoding. Note that this works for full document not fragments or result from XPath queries.</p></dd><dt><span class="term"><code class="option">--format</code></span></dt><dd><p>
36*7c568831SAndroid Build Coastguard Worker                    Reformat and reindent the output. The <code class="envar">XMLLINT_INDENT</code>
37*7c568831SAndroid Build Coastguard Worker                    environment variable controls the indentation. The default value is two
38*7c568831SAndroid Build Coastguard Worker                    spaces "  ").
39*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--help</code></span></dt><dd><p>Print out a short usage summary for <span class="command"><strong>xmllint</strong></span>.</p></dd><dt><span class="term"><code class="option">--html</code></span></dt><dd><p>Use the <acronym class="acronym">HTML</acronym> parser.</p></dd><dt><span class="term"><code class="option">--htmlout</code></span></dt><dd><p>
40*7c568831SAndroid Build Coastguard Worker                    Output results as an <acronym class="acronym">HTML</acronym> file. This
41*7c568831SAndroid Build Coastguard Worker                    causes <span class="command"><strong>xmllint</strong></span> to output the necessary <acronym class="acronym">HTML</acronym>
42*7c568831SAndroid Build Coastguard Worker                    tags surrounding the result tree output so the results can be
43*7c568831SAndroid Build Coastguard Worker                    displayed/viewed in a browser.
44*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--insert</code></span></dt><dd><p>Test for valid insertions.</p></dd><dt><span class="term"><code class="option">--loaddtd</code></span></dt><dd><p>Fetch an external <acronym class="acronym">DTD</acronym>.</p></dd><dt><span class="term"><code class="option">--load-trace</code></span></dt><dd><p>
45*7c568831SAndroid Build Coastguard Worker                    Display all the documents loaded during the processing
46*7c568831SAndroid Build Coastguard Worker                    to <code class="filename">stderr</code>.
47*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--max-ampl <em class="replaceable"><code>INTEGER</code></em></code></span></dt><dd><p>
48*7c568831SAndroid Build Coastguard Worker                    Set the maximum amplification factor which protects against
49*7c568831SAndroid Build Coastguard Worker                    exponential entity expansion ("billion laughs"). The default value
50*7c568831SAndroid Build Coastguard Worker                    is 5. Documents making heavy use of entity expansion may require a
51*7c568831SAndroid Build Coastguard Worker                    higher value.
52*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--maxmem <em class="replaceable"><code>NNBYTES</code></em></code></span></dt><dd><p>
53*7c568831SAndroid Build Coastguard Worker                    Test the parser memory support. <em class="replaceable"><code>NNBYTES</code></em>
54*7c568831SAndroid Build Coastguard Worker                    is the maximum number of bytes the library is allowed to allocate.
55*7c568831SAndroid Build Coastguard Worker                    This can also be used to make sure batch processing
56*7c568831SAndroid Build Coastguard Worker                    of <acronym class="acronym">XML</acronym> files will not exhaust the virtual memory
57*7c568831SAndroid Build Coastguard Worker                    of the server running them.
58*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--memory</code></span></dt><dd><p>Parse from memory.</p></dd><dt><span class="term"><code class="option">--noblanks</code></span></dt><dd><p>Drop ignorable blank spaces.</p></dd><dt><span class="term"><code class="option">--nocatalogs</code></span></dt><dd><p>Do not use any catalogs.</p></dd><dt><span class="term"><code class="option">--nocdata</code></span></dt><dd><p>Substitute CDATA section by equivalent text nodes.</p></dd><dt><span class="term"><code class="option">--nodict</code></span></dt><dd><p>
59*7c568831SAndroid Build Coastguard Worker                    Don't use dictionaries (parser option XML_PARSE_NODICT).
60*7c568831SAndroid Build Coastguard Worker                    Only for debugging.
61*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--noent</code></span></dt><dd><p>
62*7c568831SAndroid Build Coastguard Worker                    Substitute entity values for entity references. By default, <span class="command"><strong>xmllint</strong></span>
63*7c568831SAndroid Build Coastguard Worker                    leaves entity references in place.
64*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--nonet</code></span></dt><dd><p>
65*7c568831SAndroid Build Coastguard Worker                    Do not use the Internet to fetch <acronym class="acronym">DTD</acronym>s or entities.
66*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--noout</code></span></dt><dd><p>
67*7c568831SAndroid Build Coastguard Worker                    Suppress output. By default, <span class="command"><strong>xmllint</strong></span> outputs the result tree.
68*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--nowarning</code></span></dt><dd><p>Do not emit warnings from the parser and/or validator.</p></dd><dt><span class="term"><code class="option">--nowrap</code></span></dt><dd><p>Do not output <acronym class="acronym">HTML</acronym> doc wrapper.</p></dd><dt><span class="term"><code class="option">--noxincludenode</code></span></dt><dd><p>
69*7c568831SAndroid Build Coastguard Worker                    Do XInclude processing but do not generate XInclude start and end nodes.
70*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--nsclean</code></span></dt><dd><p>Remove redundant namespace declarations.</p></dd><dt><span class="term"><code class="option">--output <em class="replaceable"><code>FILE</code></em></code></span></dt><dd><p>
71*7c568831SAndroid Build Coastguard Worker                    Define a file path where <span class="command"><strong>xmllint</strong></span> will save the result of parsing.
72*7c568831SAndroid Build Coastguard Worker                    Usually the programs build a tree and save it
73*7c568831SAndroid Build Coastguard Worker                    on <code class="filename">stdout</code>, with this option
74*7c568831SAndroid Build Coastguard Worker                    the result <acronym class="acronym">XML</acronym> instance will be saved onto a file.
75*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--path "<em class="replaceable"><code>PATH(S)</code></em>"</code></span></dt><dd><p>
76*7c568831SAndroid Build Coastguard Worker                    Use the (space- or colon-separated) list of filesystem paths specified
77*7c568831SAndroid Build Coastguard Worker                    by <em class="replaceable"><code>PATHS</code></em> to load <acronym class="acronym">DTD</acronym>s or
78*7c568831SAndroid Build Coastguard Worker                    entities. Enclose space-separated lists by quotation marks.
79*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--pattern <em class="replaceable"><code>PATTERNVALUE</code></em></code></span></dt><dd><p>
80*7c568831SAndroid Build Coastguard Worker                    Used to exercise the pattern recognition engine, which can be used
81*7c568831SAndroid Build Coastguard Worker                    with the reader interface to the parser. It allows to select some
82*7c568831SAndroid Build Coastguard Worker                    nodes in the document based on an XPath (subset) expression. Used
83*7c568831SAndroid Build Coastguard Worker                    for debugging.
84*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--pedantic</code></span></dt><dd><p>Enable additional warnings.</p></dd><dt><span class="term"><code class="option">--postvalid</code></span></dt><dd><p>Validate after parsing has completed.</p></dd><dt><span class="term"><code class="option">--push</code></span></dt><dd><p>Use the push mode of the parser.</p></dd><dt><span class="term"><code class="option">--quiet</code></span></dt><dd><p>Don't print informational messages to stderr.</p></dd><dt><span class="term"><code class="option">--recover</code></span></dt><dd><p>Output any parsable portions of an invalid document.</p></dd><dt><span class="term"><code class="option">--relaxng <em class="replaceable"><code>SCHEMA</code></em></code></span></dt><dd><p>
85*7c568831SAndroid Build Coastguard Worker                    Use RelaxNG file named <em class="replaceable"><code>SCHEMA</code></em>
86*7c568831SAndroid Build Coastguard Worker                    for validation.
87*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--repeat</code></span></dt><dd><p>Repeat 100 times, for timing or profiling.</p></dd><dt><span class="term"><code class="option">--schema <em class="replaceable"><code>SCHEMA</code></em></code></span></dt><dd><p>
88*7c568831SAndroid Build Coastguard Worker                    Use a W3C <acronym class="acronym">XML</acronym> Schema file
89*7c568831SAndroid Build Coastguard Worker                    named <em class="replaceable"><code>SCHEMA</code></em> for validation.
90*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--shell</code></span></dt><dd><p>
91*7c568831SAndroid Build Coastguard Worker                    Run a navigating shell. Details on available commands in shell mode
92*7c568831SAndroid Build Coastguard Worker                    are below (see <a class="xref" href="#shell" title="SHELL COMMANDS">the section called &#8220;SHELL COMMANDS&#8221;</a>).
93*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--xpath "<em class="replaceable"><code>XPath_expression</code></em>"</code></span></dt><dd><p>
94*7c568831SAndroid Build Coastguard Worker                    Run an XPath expression given as argument and print the
95*7c568831SAndroid Build Coastguard Worker                    result. In case of a nodeset result, each node in the
96*7c568831SAndroid Build Coastguard Worker                    node set is serialized in full in the output. In case
97*7c568831SAndroid Build Coastguard Worker                    of an empty node set the "XPath set is empty" result
98*7c568831SAndroid Build Coastguard Worker                    will be shown and exit code 11 will be returned..
99*7c568831SAndroid Build Coastguard Worker                    This feature is EXPERIMENTAL. Implementation details can
100*7c568831SAndroid Build Coastguard Worker                    change without futher notice.
101*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--stream</code></span></dt><dd><p>
102*7c568831SAndroid Build Coastguard Worker                    Use streaming <acronym class="acronym">API</acronym> - useful when used in combination
103*7c568831SAndroid Build Coastguard Worker                    with <code class="option">--relaxng</code> or <code class="option">--valid</code> options
104*7c568831SAndroid Build Coastguard Worker                    for validation of files that are too large to be held in memory.
105*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--testIO</code></span></dt><dd><p>Test user input/output support.</p></dd><dt><span class="term"><code class="option">--timing</code></span></dt><dd><p>
106*7c568831SAndroid Build Coastguard Worker                    Output information about the time it takes <span class="command"><strong>xmllint</strong></span> to perform the
107*7c568831SAndroid Build Coastguard Worker                    various steps.
108*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--valid</code></span></dt><dd><p>
109*7c568831SAndroid Build Coastguard Worker                    Determine if the document is a valid instance of the included
110*7c568831SAndroid Build Coastguard Worker                    Document Type Definition (<acronym class="acronym">DTD</acronym>).
111*7c568831SAndroid Build Coastguard Worker                    A <acronym class="acronym">DTD</acronym> to be validated against also can be
112*7c568831SAndroid Build Coastguard Worker                    specified at the command line using the <code class="option">--dtdvalid</code>
113*7c568831SAndroid Build Coastguard Worker                    option. By default, <span class="command"><strong>xmllint</strong></span> also checks to determine if the
114*7c568831SAndroid Build Coastguard Worker                    document is well-formed.
115*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--version</code></span></dt><dd><p>
116*7c568831SAndroid Build Coastguard Worker                    Display the version of <span class="citerefentry"><span class="refentrytitle">libxml</span>(3)</span> used.
117*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--walker</code></span></dt><dd><p>
118*7c568831SAndroid Build Coastguard Worker                    Test the walker module, which is a reader interface but for a
119*7c568831SAndroid Build Coastguard Worker                    document tree, instead of using the reader <acronym class="acronym">API</acronym> on
120*7c568831SAndroid Build Coastguard Worker                    an unparsed document it works on an existing in-memory tree. Used for
121*7c568831SAndroid Build Coastguard Worker                    debugging.
122*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">--xinclude</code></span></dt><dd><p>Do XInclude processing.</p></dd><dt><span class="term"><code class="option">--xmlout</code></span></dt><dd><p>
123*7c568831SAndroid Build Coastguard Worker                    Used in conjunction with <code class="option">--html</code>. Usually
124*7c568831SAndroid Build Coastguard Worker                    when <acronym class="acronym">HTML</acronym> is parsed the document is saved with
125*7c568831SAndroid Build Coastguard Worker                    the <acronym class="acronym">HTML</acronym> serializer. But with this option the
126*7c568831SAndroid Build Coastguard Worker                    resulting document is saved with the <acronym class="acronym">XML</acronym>
127*7c568831SAndroid Build Coastguard Worker                    serializer. This is primarily used to
128*7c568831SAndroid Build Coastguard Worker                    generate <acronym class="acronym">XHTML</acronym> from <acronym class="acronym">HTML</acronym> input.
129*7c568831SAndroid Build Coastguard Worker                </p></dd></dl></div></div><div class="refsect1"><a name="shell"></a><h2>SHELL COMMANDS</h2><p>
130*7c568831SAndroid Build Coastguard Worker        <span class="command"><strong>xmllint</strong></span> offers an interactive shell mode invoked with
131*7c568831SAndroid Build Coastguard Worker        the <code class="option">--shell</code> command. Available commands in shell mode
132*7c568831SAndroid Build Coastguard Worker        include (in alphabetical order):
133*7c568831SAndroid Build Coastguard Worker    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><span class="command"><strong>base</strong></span></span></dt><dd><p>Display <acronym class="acronym">XML</acronym> base of the node.</p></dd><dt><span class="term"><span class="command"><strong>bye</strong></span></span></dt><dd><p>Leave the shell.</p></dd><dt><span class="term"><span class="command"><strong>cat <em class="replaceable"><code>NODE</code></em></strong></span></span></dt><dd><p>Display the given node or the current one.</p></dd><dt><span class="term"><span class="command"><strong>cd <em class="replaceable"><code>PATH</code></em></strong></span></span></dt><dd><p>
134*7c568831SAndroid Build Coastguard Worker                    Change the current node to the given path (if unique) or root if no
135*7c568831SAndroid Build Coastguard Worker                    argument is given.
136*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><span class="command"><strong>dir <em class="replaceable"><code>PATH</code></em></strong></span></span></dt><dd><p>
137*7c568831SAndroid Build Coastguard Worker                    Dumps information about the node (namespace, attributes, content).
138*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><span class="command"><strong>du <em class="replaceable"><code>PATH</code></em></strong></span></span></dt><dd><p>
139*7c568831SAndroid Build Coastguard Worker                    Show the structure of the subtree under the given path or the current node.
140*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><span class="command"><strong>exit</strong></span></span></dt><dd><p>Leave the shell.</p></dd><dt><span class="term"><span class="command"><strong>help</strong></span></span></dt><dd><p>Show this help.</p></dd><dt><span class="term"><span class="command"><strong>load <em class="replaceable"><code>FILENAME</code></em></strong></span></span></dt><dd><p>Load a new document with the given filename.</p></dd><dt><span class="term"><span class="command"><strong>ls <em class="replaceable"><code>PATH</code></em></strong></span></span></dt><dd><p>List contents of the given path or the current directory.</p></dd><dt><span class="term"><span class="command"><strong>pwd</strong></span></span></dt><dd><p>Display the path to the current node.</p></dd><dt><span class="term"><span class="command"><strong>quit</strong></span></span></dt><dd><p>Leave the shell.</p></dd><dt><span class="term"><span class="command"><strong>save <em class="replaceable"><code>FILENAME</code></em></strong></span></span></dt><dd><p>
141*7c568831SAndroid Build Coastguard Worker                    Save the current document to the given filename or to the original name.
142*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="option">validate</code></span></dt><dd><p>Check the document for errors.</p></dd><dt><span class="term"><span class="command"><strong>write <em class="replaceable"><code>FILENAME</code></em></strong></span></span></dt><dd><p>Write the current node to the given filename.</p></dd></dl></div></div><div class="refsect1"><a name="environment"></a><h2>ENVIRONMENT</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="envar">SGML_CATALOG_FILES</code></span></dt><dd><p><acronym class="acronym">SGML</acronym> catalog behavior can be changed by redirecting
143*7c568831SAndroid Build Coastguard Worker                    queries to the user's own set of catalogs. This can be done by setting
144*7c568831SAndroid Build Coastguard Worker                    the <code class="envar">SGML_CATALOG_FILES</code> environment variable to a list
145*7c568831SAndroid Build Coastguard Worker                    of catalogs. An empty one should deactivate loading the
146*7c568831SAndroid Build Coastguard Worker                    default catalog.
147*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="envar">XML_CATALOG_FILES</code></span></dt><dd><p><acronym class="acronym">XML</acronym> catalog behavior can be changed by redirecting
148*7c568831SAndroid Build Coastguard Worker                    queries to the user's own set of catalogs. This can be done by setting
149*7c568831SAndroid Build Coastguard Worker                    the <code class="envar">XML_CATALOG_FILES</code> environment variable to a space-separated
150*7c568831SAndroid Build Coastguard Worker                    list of catalogs. Use percent-encoding to escape spaces or other characters.
151*7c568831SAndroid Build Coastguard Worker                    An empty variable should deactivate loading the default catalog.
152*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="envar">XML_DEBUG_CATALOG</code></span></dt><dd><p>Setting the environment variable <code class="envar">XML_DEBUG_CATALOG</code>
153*7c568831SAndroid Build Coastguard Worker                    to <em class="parameter"><code>non-zero</code></em> using the <span class="command"><strong>export</strong></span>
154*7c568831SAndroid Build Coastguard Worker                    command outputs debugging information related to catalog operations.
155*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><code class="envar">XMLLINT_INDENT</code></span></dt><dd><p>Setting the environment variable <code class="envar">XMLLINT_INDENT</code>
156*7c568831SAndroid Build Coastguard Worker                    controls the indentation. The default value is two spaces "  ".
157*7c568831SAndroid Build Coastguard Worker                </p></dd></dl></div></div><div class="refsect1"><a name="diagnostics"></a><h2>DIAGNOSTICS</h2><p>
158*7c568831SAndroid Build Coastguard Worker        <span class="command"><strong>xmllint</strong></span> return codes provide information that can be used when
159*7c568831SAndroid Build Coastguard Worker        calling it from scripts.
160*7c568831SAndroid Build Coastguard Worker    </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><span class="errorcode">0</span></span></dt><dd><p>No error</p></dd><dt><span class="term"><span class="errorcode">1</span></span></dt><dd><p>Unclassified</p></dd><dt><span class="term"><span class="errorcode">2</span></span></dt><dd><p>Error in <acronym class="acronym">DTD</acronym></p></dd><dt><span class="term"><span class="errorcode">3</span></span></dt><dd><p>Validation error</p></dd><dt><span class="term"><span class="errorcode">4</span></span></dt><dd><p>Validation error</p></dd><dt><span class="term"><span class="errorcode">5</span></span></dt><dd><p>Error in schema compilation</p></dd><dt><span class="term"><span class="errorcode">6</span></span></dt><dd><p>Error writing output</p></dd><dt><span class="term"><span class="errorcode">7</span></span></dt><dd><p>
161*7c568831SAndroid Build Coastguard Worker                    Error in pattern (generated when <code class="option">--pattern</code> option is used)
162*7c568831SAndroid Build Coastguard Worker                </p></dd><dt><span class="term"><span class="errorcode">9</span></span></dt><dd><p>Out of memory error</p></dd><dt><span class="term"><span class="errorcode">10</span></span></dt><dd><p>XPath evaluation error</p></dd><dt><span class="term"><span class="errorcode">11</span></span></dt><dd><p>XPath result is empty</p></dd></dl></div></div><div class="refsect1"><a name="seealso"></a><h2>SEE ALSO</h2><p><span class="citerefentry"><span class="refentrytitle">libxml</span>(3)</span>
163*7c568831SAndroid Build Coastguard Worker    </p><p>
164*7c568831SAndroid Build Coastguard Worker        More information can be found at
165*7c568831SAndroid Build Coastguard Worker        </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="citerefentry"><span class="refentrytitle">libxml</span>(3)</span> web page <a class="ulink" href="https://gitlab.gnome.org/GNOME/libxml2" target="_top">https://gitlab.gnome.org/GNOME/libxml2</a>
166*7c568831SAndroid Build Coastguard Worker                </p></li></ul></div><p>
167*7c568831SAndroid Build Coastguard Worker    </p></div></div></body></html>
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