How to count lines in a file on hdfs command?

Question

I have a file on HDFS that I want to know how many lines are. (testfile)

In linux, I can do:

wc -l 

Can I do somet

Answer 1

Total number of files: hadoop fs -ls /path/to/hdfs/* | wc -l

Total number of lines: hadoop fs -cat /path/to/hdfs/* | wc -l

Total number of lines for a given file: hadoop fs -cat /path/to/hdfs/filename | wc -l