Hadoop: copyToLocal: Copy folder from hdfs to local system

“copyToLocal” command is used to copy a folder from HDFS to local system.

Usage
hadoop fs [generic options] -copyToLocal [-p] [-ignoreCrc] [-crc] <src> ... <localdst>

 

Example

hadoop fs -copyToLocal /user/cloudera/demo4 ./copyToLocalDemo

 

Above snippet copy the folder '/user/cloudera/demo4' from HDFS to your system folder 'copyToLocalDemo'.

$hadoop fs -ls /user/cloudera/demo4/
Found 3 items
-rw-r--r--   1 cloudera cloudera          2 2022-03-23 09:03 /user/cloudera/demo4/a.txt
-rw-r--r--   1 cloudera cloudera         35 2022-03-23 09:03 /user/cloudera/demo4/b.txt
-rw-r--r--   1 cloudera cloudera         55 2022-03-23 09:03 /user/cloudera/demo4/c.txt
$
$mkdir copyToLocalDemo
$
$ls ./copyToLocalDemo/
$
$hadoop fs -copyToLocal /user/cloudera/demo4 ./copyToLocalDemo
$
$ls ./copyToLocalDemo/
demo4
$
$ls ./copyToLocalDemo/demo4/
a.txt  b.txt  c.txt

 

 

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