JSON file from: https://dummy.restapiexample.com/api/v1/employees
Execute employees.sh file by using bash command
"bash employees.sh"
It will create the following text files
1.- Write the original json file of the given url in "original_file.json"
2.- Then from the same url and with jq, filters the top employee salary, greater than 300000 in "higher_salaries.txt"
3.- Using "original_file.json" write "even_ids.txt" with the even ID employees
4.- Also from "original_file.json" write a file with all employees with age under 30 in "under_30.txt"