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我想在蚂蚁属性(通过属性文件)中放置一个问号字符,但我不断收到Dangling meta character '?'
错误。我如何在蚂蚁属性中放置一个问号?蚂蚁属性内部的问号
我有一个Ant属性文件中的以下内容:
installerTemplate=E:/projectX/branch/?/path/to/installer.exe
installerBranch=foobar
Ant文件:
<project .... >
<taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
<property file="project.properties" />
<target name="fixPath">
<propertyregex property="installerFileLocation" input="${installerTemplate}"
regexp="?" replace="${installerVersion}" global="true" />
<propertyregex property="installerFileLocation.win" input="${installerFileLocation}"
regexp="/" replace="\\\\"/>
<echo>${installerFileLocation.win}</echo>
</target>
</project>
但每当我运行蚂蚁,我得到这个:
BUILD FAILED
E:\p4-abird\depot_cfg\ssb\tools\ssb_dev_env_automation\create_ssb_vm.xml:37: java.util.regex.PatternSyntaxException: Dangling meta character '?' near index 0
?
^
at java.util.regex.Pattern.error(Pattern.java:1713)
at java.util.regex.Pattern.sequence(Pattern.java:1878)
at java.util.regex.Pattern.expr(Pattern.java:1752)
at java.util.regex.Pattern.compile(Pattern.java:1460)
at java.util.regex.Pattern.<init>(Pattern.java:1133)
at java.util.regex.Pattern.compile(Pattern.java:847)
at org.apache.tools.ant.util.regexp.Jdk14RegexpMatcher.getCompiledPattern(Jdk14RegexpMatcher.java:67)
at org.apache.tools.ant.util.regexp.Jdk14RegexpMatcher.matches(Jdk14RegexpMatcher.java:94)
at net.sf.antcontrib.property.RegexTask.doReplace(RegexTask.java:135)
at net.sf.antcontrib.property.RegexTask.execute(RegexTask.java:192)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:392)
at org.apache.tools.ant.Target.performTasks(Target.java:413)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:811)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Total time: 0 seconds
我怎样在insi上加上一个问号蚂蚁属性?
我编辑了你的标题。请参见“[应的问题包括‘标签’,在他们的头衔?(http://meta.stackexchange.com/questions/19190/)”,这里的共识是“不,他们不应该”。 –