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Full Discussion: SED extract XML value
Top Forums Shell Programming and Scripting SED extract XML value Post 302348152 by fpmurphy on Thursday 27th of August 2009 12:18:28 PM
Old 08-27-2009
ArterialTool, you really should consider using an XSL aware tool such as xsltproc for this type of work.

For example here is how you can use xsltproc to solve your original question
Code:
$ var=`xsltproc -param which "'min-pool-size'" file.xsl file.xml`
$ echo $var
2
$

where file.xml is your input file and file.xsl is
Code:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

    <!-- pass in as -param which "'value'"  -->
   <xsl;param name=which" />

    <xsl:output method="text'/>

   <xsl:template match="/">
      <xsl:apply-templates/>
   </xsl:template>

   <!-- output nodes that match -->
   <xsl:template match="*" priority="1">
      <xsl:if test="name(.)=$which">
        <xsl:value-of select="."/>
      </xsl:if>
   </xsl:template>

   <!-- eat all other output -->
   <xsl:template match="*|text()" priority="0"/>

</xsl:stylesheet>

 

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LEARN ABOUT DEBIAN

evtest-capture

EVTEST-CAPTURE(1)														 EVTEST-CAPTURE(1)

NAME

       evtest-capture - Input device event capture program

SYNOPSIS

       evtest-capture "/dev/input/eventX" [evtest-capture.xml]

DESCRIPTION

       evtest-capture captures the information and events from the input device specified on the command line and writes it to the xml file given.
       If no filename is given for the output file, evtest-capture.xml is chosen as default.

       evtest-capture needs to be able to read from the device; in most cases this means it must be run as root.

       Together with with evtest-create-device.xsl, a simple uinput-based software input device can be created that replays the events as if the
       same input was performed on the physical device. This can be useful to replicate bugs with input devices in upper layers of the stack.

       To convert evtest-capture.xml into such a uinput device, run:

	   xsltproc evtest-create-device.xls evtest-capture.xml > mydevice.c
	   gcc -o mydevice mydevice.c
	   ./mydevice

DIAGNOSTICS

       If evtest-capture does not see any events even though the device is being used, the device may be grabbed by a process (EVIOCGRAB). This is
       usually the case when debugging a synaptics device from within X. VT switching to a TTY or shutting down the X server terminates this grab
       and synaptics devices can be debugged.

SEE ALSO

       evtest(1)

AUTHOR

       evtest-capture was written by Peter Hutterer <peter.hutterer@redhat.com[1]>.

NOTES

	1. peter.hutterer@redhat.com
	   mailto:peter.hutterer@redhat.com

								    05/21/2012							 EVTEST-CAPTURE(1)
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