Read an arbitrary set of lines from a file in ruby.
host = Kanrisuru::Remote::Host.new(host: '127.0.1.1', username: 'ubuntu', keys: ['~/.ssh/id_rsa']) result = host.read_file_chunk('/etc/crontab', 3, 5) result.success? true result.to_a [  "# command to install the new version when you edit this file",  "# and files in /etc/cron.d. These files also have username fields,",  "# that none of the other crontabs do." ]
||Required file path to get output chunk from.|
||Required line number to start reading from|
||Required line number to stop reading from|
Returns an array of lines starting from the Kth line in the file, and ending in the Jth line.
- Ubuntu, Debian, Centos, Fedora, Redhat, OpenSuse, SLES