> ls -lista hadnodes.conf

7733498 4 -rwxrwxrwx. 1 pol pol 141 Feb 20 08:05 hadnodes.conf

> more hadnodes.conf

#!/bin/bash
export NAME_NODE=18.202.25.99
export DATA_NODE_1=52.30.117.99
export DATA_NODE_2=34.248.153.99
export DATA_NODE_3=52.17.111.99

> ls -lista setnodes

7733504 4 -rwxrwxr-x. 1 pol pol 92 Feb 20 09:59 setnodes

> more setnodes
#!/bin/bash
source /home/pol/dcu/ca675_cloud_technologies/assignment_1/nodes/hadnodes.conf

source /path/to/setnodes

. /path/to/setnodes