将xml转换为键值对符号

发布时间：2020-12-16 23:50:17 所属栏目：百科来源：网络整理

导读：我使用xmlstarlet el -v来显示xml文件的结构,包括所有属性和值.我想将其输出转换为某种键值对,即每个属性的值在一个单独的行上(包括XPath);每一行必须是唯一的. 目前的结果： topRoot/topSystem/commSvcEp/commSyslog[@descr='Syslog Service' and @name='sy

我使用xmlstarlet el -v来显示xml文件的结构,包括所有属性和值.我想将其输出转换为某种键值对,即每个属性的值在一个单独的行上(包括XPath);每一行必须是唯一的.

目前的结果：

topRoot/topSystem/commSvcEp/commSyslog[@descr='Syslog Service' and @name='syslog' and @policyOwner='local' and @severity='critical']
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[@adminState='disabled' and @forwardingFacility='local7' and @hostname='none' and @name='secondary' and @severity='critical']
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[@adminState='disabled' and @forwardingFacility='local7' and @hostname='none' and @name='tertiary' and @severity='critical']
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[@adminState='disabled' and @forwardingFacility='local7' and @hostname='none' and @name='primary' and @severity='critical']

期望的结果(可能是类似的;指数只是一个想法)：

topRoot/topSystem/commSvcEp/commSyslog@descr='Syslog Service'
topRoot/topSystem/commSvcEp/commSyslog@name='syslog'
topRoot/topSystem/commSvcEp/commSyslog@policyOwner='local'
topRoot/topSystem/commSvcEp/commSyslog@severity='critical'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[0]@adminState='disabled'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[0]@forwardingFacility='local7'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[0]@hostname='none'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[0]@name='secondary'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[0]@severity='critical'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[1]@adminState='disabled'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[1]@forwardingFacility='local7'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[1]@hostname='none'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[1]@name='tertiary'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[1]@severity='critical'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[2]@adminState='disabled'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[2]@forwardingFacility='local7'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[2]@hostname='none'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[2]@name='primary'
topRoot/topSystem/commSvcEp/commSyslog/commSyslogClient[2]@severity='critical'

我想要完成的是能够在两个这样的文件上运行diff或使用grep来过滤匹配的模式.我确信有一种方法可以创建这样的输出,而不使用sed,awk或其他任何东西,但xmlstarlet本身.

我几乎是关于xmlstarlet和整个xml世界的新手(不仅因为它因为它的复杂性和解析开销等而不喜欢xml),所以我非常感谢你的帮助.谢谢！

由于您已经在使用xmlstarlet,因此您也可以使用XSLT.

XSLT 1.0(可以使用tr命令使用xmlstarlet运行)

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="text"/>
    <xsl:strip-space elements="*"/>

    <xsl:param name="sep" select="'.'"/>

    <xsl:template match="text()"/>

    <xsl:template match="*">
        <xsl:variable name="path">
            <xsl:for-each select="ancestor-or-self::*">
                <xsl:variable name="predicate">
                    <xsl:call-template name="genPredicate"/>
                </xsl:variable>
                <xsl:if test="ancestor::*">
                    <xsl:value-of select="$sep"/>
                </xsl:if>
                <xsl:value-of select="concat(local-name(),$predicate)"/>
            </xsl:for-each>
        </xsl:variable>
        <xsl:for-each select="@*">
            <xsl:value-of select="concat($path,$sep,name(),'=',.)"/>
            <xsl:text>&#xA;</xsl:text>
        </xsl:for-each>
        <xsl:if test="not(@*)">
            <xsl:text>&#xA;</xsl:text>          
        </xsl:if>
        <xsl:apply-templates select="node()"/>
    </xsl:template>

    <xsl:template name="genPredicate">
        <xsl:if test="preceding-sibling::*[local-name()=local-name(current())] or following-sibling::*[local-name()=local-name(current())]">
            <xsl:value-of select="concat('[',count(preceding-sibling::*[local-name()=local-name(current())])+1,']')"/>          
        </xsl:if>
    </xsl:template>

</xsl:stylesheet>

注意：有一个名为sep的参数,因此您可以从命令行更改分隔符(使用-p sep =“/”或您想要的任何分隔符).它目前设置为您首选的“.”.

产量

commSyslog.descr=Syslog Service
commSyslog.name=syslog
commSyslog.policyOwner=local
commSyslog.severity=critical
commSyslog.commSyslogClient[1].adminState=disabled
commSyslog.commSyslogClient[1].forwardingFacility=local7
commSyslog.commSyslogClient[1].hostname=none
commSyslog.commSyslogClient[1].name=secondary
commSyslog.commSyslogClient[1].severity=critical
commSyslog.commSyslogClient[2].adminState=disabled
commSyslog.commSyslogClient[2].forwardingFacility=local7
commSyslog.commSyslogClient[2].hostname=none
commSyslog.commSyslogClient[2].name=tertiary
commSyslog.commSyslogClient[2].severity=critical
commSyslog.commSyslogClient[3].adminState=disabled
commSyslog.commSyslogClient[3].forwardingFacility=local7
commSyslog.commSyslogClient[3].hostname=none
commSyslog.commSyslogClient[3].name=primary
commSyslog.commSyslogClient[3].severity=critical
commSyslog.commSyslogMonitor.adminState=disabled
commSyslog.commSyslogMonitor.descr=
commSyslog.commSyslogMonitor.name=
commSyslog.commSyslogMonitor.severity=critical
commSyslog.commSyslogConsole.adminState=disabled
commSyslog.commSyslogConsole.descr=
commSyslog.commSyslogConsole.name=
commSyslog.commSyslogConsole.severity=critical
commSyslog.commSyslogSource.audits=disabled
commSyslog.commSyslogSource.descr=
commSyslog.commSyslogSource.events=disabled
commSyslog.commSyslogSource.faults=enabled
commSyslog.commSyslogSource.name=
commSyslog.commSyslogFile.adminState=enabled
commSyslog.commSyslogFile.descr=
commSyslog.commSyslogFile.name=messages
commSyslog.commSyslogFile.severity=critical
commSyslog.commSyslogFile.size=4194304

（编辑：李大同）

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