How to read multiple files in hdfs

0 votes

Hi,

I want to know who to read multiple files using cat command in hdfs. For a single file I use

hdfs dfs cat file.csv

What should I do for reading more than one file?

Feb 7, 2019 in Big Data Hadoop by Raheed
4,327 views

1 answer to this question.

0 votes

If you want to read files with same extension, try this:

hdfs dfs -cat /*.csv

If you want to read all the files, try this:

hdfs dfs -cat /* 

"*" will match any file name.

answered Feb 7, 2019 by Omkar
• 69,220 points

Related Questions In Big Data Hadoop

0 votes
1 answer

How to read more than one files in Apache Spark?

Try this: val text = sc.wholeTextFiles("student/*") text.collect() ...READ MORE

answered Dec 11, 2018 in Big Data Hadoop by Omkar
• 69,220 points
2,608 views
0 votes
1 answer

How to copy files in hdfs with wildcards?

You can use the hdfs command: hdfs fs ...READ MORE

answered Dec 11, 2018 in Big Data Hadoop by Omkar
• 69,220 points
2,669 views
0 votes
1 answer

How to create files in hdfs?

You can create a file directly in ...READ MORE

answered Jan 25, 2019 in Big Data Hadoop by Omkar
• 69,220 points
1,438 views
0 votes
1 answer

How to list files in hdfs that contains a specific string?

Yes, you can do this. You can ...READ MORE

answered Jan 27, 2019 in Big Data Hadoop by Omkar
• 69,220 points
11,684 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
11,029 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
2,538 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
108,838 views
–1 vote
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by kurt_cobain
• 9,350 points
4,612 views
+1 vote
1 answer

How to read HDFS and local files with the same code in Java?

You can try something like this: ​ ...READ MORE

answered Nov 22, 2018 in Big Data Hadoop by Omkar
• 69,220 points
4,772 views
0 votes
1 answer

How to concatenate hdfs files and store in output file?

You can use a combination of cat and put command. Something ...READ MORE

answered Dec 6, 2018 in Big Data Hadoop by Omkar
• 69,220 points
3,981 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP