使用xmlstarlet和BASH，如何根據元素當前值更新元素的值

使用xmlstarlet和BASH，只有當元素具有文字字符串「$ {numberOFThreads}」時，如何更新元素的值」。我想，只有當字符串$ {} numberOFThreads用數字20使用xmlstarlet和BASH，如何根據元素當前值更新元素的值

之前發生更換的項目：

<stringProp name="ThreadGroup.num_threads">"${numberOFThreads}"</stringProp>

後：

<stringProp name="ThreadGroup.num_threads">20</stringProp>

測試XML

<?xml version="1.0" encoding="UTF-8"?> 
<jmeterTestPlan version="1.2" properties="2.8" jmeter="2.13 r1665067"> 
    <hashTree> 
    <TestPlan guiclass="TestPlanGui" testclass="TestPlan" testname="Test Plan" enabled="true"> 
     <stringProp name="TestPlan.comments"></stringProp> 
     <boolProp name="TestPlan.functional_mode">false</boolProp> 
     <boolProp name="TestPlan.serialize_threadgroups">false</boolProp> 
     <elementProp name="TestPlan.user_defined_variables" elementType="Arguments" guiclass="ArgumentsPanel" testclass="Arguments" testname="User Defined Variables" enabled="true"> 
     <collectionProp name="Arguments.arguments"/> 
     </elementProp> 
     <stringProp name="TestPlan.user_define_classpath"></stringProp> 
    </TestPlan> 
    <hashTree> 
     <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname="Thread Group" enabled="true"> 
     <stringProp name="ThreadGroup.on_sample_error">continue</stringProp> 
     <elementProp name="ThreadGroup.main_controller" elementType="LoopController" guiclass="LoopControlPanel" testclass="LoopController" testname="Loop Controller" enabled="true"> 
      <boolProp name="LoopController.continue_forever">false</boolProp> 
      <stringProp name="LoopController.loops">1</stringProp> 
     </elementProp> 
     <stringProp name="ThreadGroup.num_threads">${numberOFThreads}"</stringProp> 
     <stringProp name="ThreadGroup.ramp_time">1</stringProp> 
     <longProp name="ThreadGroup.start_time">1456663030000</longProp> 
     <longProp name="ThreadGroup.end_time">1456663030000</longProp> 
     <boolProp name="ThreadGroup.scheduler">false</boolProp> 
     <stringProp name="ThreadGroup.duration"></stringProp> 
     <stringProp name="ThreadGroup.delay"></stringProp> 
     </ThreadGroup> 
     <hashTree/> 
    </hashTree> 
    </hashTree> 
</jmeterTestPlan>

來源

2016-02-28 user1654528

您可以使用[. = ".."]篩選元素的值。你只需要小心，當逃脫"$字符時：

xmlstarlet ed -u "//stringProp[@name='ThreadGroup.num_threads' and . = '\"\${numberOFThreads}\"']" -v "20" /tmp/test.xml

來源

2016-02-28 15:36:20 BeniBela

使用xmlstarlet和BASH，如何根據元素當前值更新元素的值

回答

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