Extract All Tar Files in a directory in Linux

This will first list the files containing extension tar.gz, and then awk will get the file names which is column 9 in

ls -lrth command, and

NF > 2 will remove the blank line and

tar -xvzf will extract files names contained in variable $i,

Like this we can experiment various operations like renaming all files with specific extension of so and can fiddled with to achieve various goals.


for i in `ls -lrth *.tar.gz |awk  'NF>2 {print $9}'`; do tar -xvzf $i; done

Better way to get a list of all files on Hadoop, using shell.

Hadoop provides an option OIV  that is offline image viewer, which can read the Hadoop image file and output it to a output file in human readable format.

Syntax and uses:

bin/hadoop  oiv –i <Hadoop image file name> -o <output file in human readable form>

Options with this command:

There is an additional option to output file format that is defined using switch –p <format>, the formats can be: -->