Hadoop : appendToFile

“appendToFile” command append multiple files data to a file located in Hadoop file system.

Usage

hadoop fs [generic options] -appendToFile <localsrc> ...

file1.txt

I am file1

file2.txt
I am file2

$ hadoop fs -appendToFile /Users/harikrishna_gurram/file1.txt /Users/harikrishna_gurram/file2.txt /user/harikrishna_gurram/dir1/append.txt
$ 
$ hadoop fs -cat /user/harikrishna_gurram/dir1/append.txt
I am file1I am file2

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