July 10, 2020
Archangel Macsika
Three employees in a company are up for a special pay increase. You are given a file, say Data.txt, with the following data: Miller Andrew 65789.87 5 Green Sheila 75892.56 6 Sethi Amit 74900.50 6.1 Each input line consists of an employee's last name, first name, current salary, and percent pay increase. For example, in the first input line, the last name of the employee is Miller, the first name is Andrew, the current salary is 65789.87, and pay increase is 5%. Write a program that reads data from the specified file and stores the output in the file Output.dat. For each employee, the data must be output in the following form: firstName lastName updatedSalary. Format the output of decimal numbers to two decimal places.
Solution in Ruby Programming Language
def data_transfer(from_path, to_path)
if (File.exist?(from_path))
File.open(from_path, "r") do |read_all_data|
to_file = File.open(to_path, "w+")
to_file.puts "First Name | Last Name | Updated Salary"
while each_line = read_all_data.gets
file_contents = (each_line[/\w+\s\w+\s(\d+[.]\d+)\s+(\d+[.]\d+|\d+)\Z/]).split(" ")
to_file.puts "#{file_contents[0]} | #{file_contents[1]} | #{(file_contents[2].to_f * (file_contents[3].to_f/100)).round(2)}"
end
puts "Operation successful!"
end
else
puts "Sorry, the requested file does not exist."
end
end
data_transfer("Data.txt", "output.dat")
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