Question

如何在Makefile中使用heredoc？这个Makefile不起作用：

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Answer 1

看起来在Makefile中使用heredocs查看文件可以解决问题的一半：

C:\Java\jdk1.8.0_144\bin\java "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.3.3\lib\idea_rt.jar=2298:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2017.3.3\bin" -Dfile.encoding=UTF-8 -classpath C:\Java\jdk1.8.0_144\jre\lib\charsets.jar;C:\Java\jdk1.8.0_144\jre\lib\deploy.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\access-bridge-64.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\cldrdata.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\dnsns.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\jaccess.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\jfxrt.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\localedata.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\nashorn.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\sunec.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\sunjce_provider.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\sunmscapi.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\sunpkcs11.jar;C:\Java\jdk1.8.0_144\jre\lib\ext\zipfs.jar;C:\Java\jdk1.8.0_144\jre\lib\javaws.jar;C:\Java\jdk1.8.0_144\jre\lib\jce.jar;C:\Java\jdk1.8.0_144\jre\lib\jfr.jar;C:\Java\jdk1.8.0_144\jre\lib\jfxswt.jar;C:\Java\jdk1.8.0_144\jre\lib\jsse.jar;C:\Java\jdk1.8.0_144\jre\lib\management-agent.jar;C:\Java\jdk1.8.0_144\jre\lib\plugin.jar;C:\Java\jdk1.8.0_144\jre\lib\resources.jar;C:\Java\jdk1.8.0_144\jre\lib\rt.jar;C:\Users\Dell\IdeaProjects\ScalaSpark\target\scala-2.11\classes;C:\Users\Dell\.ivy2\cache\org.scala-lang\scala-library\jars\scala-library-2.11.12.jar TempData
Exception in thread "main" java.io.FileNotFoundException: C:\DataResearch\SparkScala\MN212142_9392.csv (The system cannot find the file specified)
    at java.io.FileInputStream.open0(Native Method)
    at java.io.FileInputStream.open(FileInputStream.java:195)
    at java.io.FileInputStream.<init>(FileInputStream.java:138)
    at scala.io.Source$.fromFile(Source.scala:91)
    at scala.io.Source$.fromFile(Source.scala:76)
    at scala.io.Source$.fromFile(Source.scala:54)
    at TempData$.main(TempData.scala:7)
    at TempData.main(TempData.scala)

Process finished with exit code 1

尽管如此，将它全部内联还是很好的。

如何在Makefile中使用heredoc？

1 个答案: