USAGE ./program2 -I] I-u] I-o

] -]--version] [-h] input filename> Where: 1,--lower Convert all text to lowercase -u, --upper Convert all text to uppercase o output filename>, -outfile

(required) Input file Your program should open the input file for reading and the output file for writing. It should copy all data from the input file to the output file while optionally converting case as directed by the command line arguments. -u and -I are mutually exclusive. Only one may be given but neither is required. If the output file is not specified (it is optional), you should write to a file with the default name of "output.txt" USAGE ./program2 -I] I-u] I-o

] -]--version] [-h] input filename> Where: 1,--lower Convert all text to lowercase -u, --upper Convert all text to uppercase o output filename>, -outfile

(required) Input file Your program should open the input file for reading and the output file for writing. It should copy all data from the input file to the output file while optionally converting case as directed by the command line arguments. -u and -I are mutually exclusive. Only one may be given but neither is required. If the output file is not specified (it is optional), you should write to a file with the default name of "output.txt