sourcing_functions_example.sh

#!/bin/bash

# Make the script to abort if any command fails. Use set +e to change the behaviour and ignore failed command.
set -e

# Uncomment below line to print the commands as it is executed. Useful for debugging. Use set +x to disable debugging.
# set -x

# Source the functions from an url
source <(curl -s "https://gist.githubusercontent.com/harishkannarao/58d317f2743c842b5323165a492db81c/raw/75ee691d4d4568c59443a070c6e5d192d717b6bc/reusable_functions.sh")

# Source it from local script
# source reusable_functions.sh

ADD_RESULT=$(add 2 3)

echo "Addition result: $ADD_RESULT"

SUBTRACT_RESULT=$(subtract 4 3)

echo "Subtraction result: $SUBTRACT_RESULT"