export HADOOP_HOME=/root/hadoop/hadoop-3.0.0-alpha1
/opt/java/hadoop-3.0.0-alpha1/bin/hadoop jar \/opt/java/hadoop-3.0.0-alpha1/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.0.0-alpha1.jar \grep input output 'dfs[a-z.]+'
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export HADOOP_HOME=/root/hadoop/hadoop-3.0.0-alpha1
/opt/java/hadoop-3.0.0-alpha1/bin/hadoop jar \/opt/java/hadoop-3.0.0-alpha1/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.0.0-alpha1.jar \grep input output 'dfs[a-z.]+'
转载于:https://my.oschina.net/innovation/blog/808609