Script started on Fri 18 Mar 2016 12:56:46 PM EDT
tigger:/eecs/home/aboelaze/courses/EECS2031/W16/shell/L8tigger 101 % L
L8a.sh L8b.sh 
tigger 101 % L8a.sh ex1.txt ex2.txt 
Sherron, Brnda 90
Beringer, Mellissa 7
Lovern, Queenie 67
Langley, Tijuana 95
Alfano, Prince 14
Cadogan, Hubert 73
Tabron, Sol 84
Rickett, Raylene 34
tigger 102 % L8a.sh
Error: needs two files
tigger 103 % L8b.sh ex1.txt
Error: needs two files
tigger 104 % L8b.sh ex1.txt ex3.txt 
Sherron, Brnda 90 80 55
Beringer, Mellissa 7 80 55
Lovern, Queenie 67 22 91
Langley, Tijuana 95 12 9
Alfano, Prince 14 55 14
Cadogan, Hubert 73 69 91
Tabron, Sol 84 12 55
Rickett, Raylene 34 11 19
tigger 105 % L8b.sh ex1.txt ex3.txt avg
Sherron, Brnda 75
Beringer, Mellissa 47
Lovern, Queenie 60
Langley, Tijuana 38
Alfano, Prince 27
Cadogan, Hubert 77
Tabron, Sol 84 50
Rickett, Raylene 34 21
tigger 106 % L8b.sh ex1.txt ex3.txt -F
Beringer, Mellissa 7 80 55
Langley, Tijuana 95 12 9
Alfano, Prince 14 55 14
Rickett, Raylene 34 11 19
tigger 107 % L8b.sh ex1.txt ex3.txt xxx
Error: avg of -F only please
tigger 108 % exit
exit

Script done on Fri 18 Mar 2016 12:58:22 PM EDT