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  • scala VS python2 操作shell对比例子

    Scala:

    /**
     * Created by sunxu on 2015/9/30.
     */
    
    import scala.sys.process._
    import java.io.File
    
    //在相应目录执行shell命令,返回值赋值给变量
    val exitValue = Process("hadoop jar pathread-analytics-0.0.1.jar com.duxiu.pathread.stcs.StcsByFieldJob /pathread/2015/10-08 /user/sunxu/test ssid 13671489", new File("/opt/users/sunxu/")).!
    
    println("--------------------------------------------------------")
    
    if (exitValue == 0) {
    
      val listInfo = "sh /opt/users/sunxu/test.sh" !!
    
      println(listInfo)
    }

    Python:

    __author__ = 'sunxu'
    
    import subprocess
    
    cmd = "hadoop jar pathread-analytics-0.0.1.jar com.duxiu.pathread.stcs.StcsByFieldJob /pathread/2015/09-29 /user/sunxu/test ssid 13210904"
    hadoopCmd = subprocess.Popen(cmd.split(" "), stdout=subprocess.PIPE)
    #print hadoopCmd.communicate() 运行这句下边的调用会报错,file stream is closed
    print '-------------------------------------'
    msgInfo = subprocess.Popen(["grep","ssid"], stdin=hadoopCmd.stdout,stdout=subprocess.PIPE)
    output = msgInfo.communicate()
    print output
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  • 原文地址:https://www.cnblogs.com/sunxucool/p/4876494.html
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