I need to read in from a file and save values to variables based on the instructions below, but I'm not sure how to go about it. Any help? Input (Process Information): The process information will be read from an input file. The format is pid arrival_time burst_time . All of fields are integer type where pid is a unique numeric process ID, arrival_time is the time when the task arrives in the unit of milliseconds, and burst_time the is the CPU time requested by a task, in the unit of milliseconds The time unit for arrival_time, burst_time is millisecond.

Command-line Usage Examples:

myCPUScheduler input_file [FCFS|RR|MLFQ]

Input file example:

% more input.txt

PID Arrival Burst

1 0 10

2 1 9

3 2 8

4 3 7