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xml-trim(1)                        xml-utils                       xml-trim(1)



NAME
       xml-trim - Trim whitespace in XML elements

SYNOPSIS
              xml-trim [-e <elem> ...] [-N <ns=URL> ...] [-fnh?] <src>...

DESCRIPTION
       The xml-trim utility trims whitespace around the text contents of spec‐
       ified elements.

       Whitespace is trimmed according to the following rules:

       1. Whitespace characters at the beginning of the first text node  child
          of the specified elements are removed.

       2. Whitespace  characters at the end of the last text node child of the
          specified elements are removed.

       3. If the -n option is given, sequences of whitespace characters in all
          text node children of the specified elements are converted to a sin‐
          gle space.

OPTIONS
       -e, --element <elem>
              Elements to trim space on.  May include a  namespace  prefix  if
              the  namespace  was  registered with -N.  <elem> may be either a
              simple element name (e.g., "para") which  matches  all  elements
              with  the  same  name  at  any  position, or an XPath expression
              (e.g., "//section/para") for finer control.

       -f, --overwrite
              Overwrite input XML files.

       -h, -?, --help
              Show usage message.

       -N, --namespace <ns=URL>
              Registers an XML namespace handle for URL,  which  can  then  be
              used  when specifying element names as options.  Multiple names‐
              paces can be  registered  by  specifying  this  option  multiple
              times.

       -n, --normalize
              Normalize  space  in the specified elements in addition to trim‐
              ming whitespace.

       --version
              Show version information.

       <src>  The source XML file(s) containing the elements to trim.

       In addition, the following options allow configuration of the XML pars‐
       er:

       --dtdload
              Load the external DTD.

       --huge Remove any internal arbitrary parser limits.

       --net  Allow network access to load external DTD and entities.

       --noent
              Resolve entities.

       --xinclude
              Do XInclude processing.

       --xml-catalog <file>
              Use  an  XML catalog when resolving entities.  Multiple catalogs
              may be loaded by specifying this option multiple times.

EXAMPLES
   Without namespace
              <section>
                <para>
                  Hello world.
                </para>
              </section>

              $ xml-trim -e para example.xml

              <section>
                <para>Hello world.</para>
              </section>

   With namespace
              <d:section>
                <d:para>
                  Hello world.
                </d:para>
              </d:section>

              $ xml-trim -N d=http://docbook.org/ns/docbook -e d:para example.xml

              <d:section>
                <d:para>Hello world.</d:para>
              </d:section>

   Normalizing space
              <section>
                <para>
                  This is a <emphasis>long</emphasis>
                  paragraph with both extra whitespace
                  before and after the text, and line
                  breaks entered by the author to wrap
                  the text on a certain column.
                </para>
              </section>

              $ xml-trim -n -e para example.xml

              <section>
                <para>This is a <emphasis>long</emphasis> paragraph with both extra whitespace before
              and after the text, and line breaks entered by the author to wrap the
              text on a certain column.</para>
              </section>

AUTHORS
       khzae.net.



                                  2020-07-07                       xml-trim(1)

gopher://khzae.net/0/s1kd/xml/xml-utils/src/utils/xml-trim/README

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