sahilbadyal

In Python, function is a group of related statements that perform a specific task.
Functions help break our program into smaller and modular chunks. As our program grows larger and larger, functions make it more organized and manageable.
Furthermore, it avoids repetition and makes code reusable.
Syntax of Function
def function_name(parameters):
	"""docstring"""
	statement(s)

Above shown is a function definition which consists of following components.
Keyword def marks the start of function header.

sahilbadyal

#!/bin/bash
##Author: Sahil Badyal <sbadyals@gmail.com>
usage()
{
        echo "usage: sysinfo_page [[[-f file ] [-i]] | [-h]]"
}

if [ "1" == "" ]; then
    usage
    exit

sahilbadyal

#!/bin/bash
## Author Sahil Badyal <sbadyals@gmail.com>
## This script setups the cluster env for tf
clusterid=$(aws emr list-clusters  --active | jq '.Clusters' | jq '.[]' -c | grep  <CLUSTER_NAME> | jq '.Id' | tr -d '"')
num=0
tot="$1"

if [ "2" != "" ]; then
    numParameterServers="$2"
else