jeffk@tomalesbay:~/cache$ ./lab5a 
Usage: ./lab5a -A ASSOCIATIVITY -S CSIZE -B BSIZE FILE
jeffk@tomalesbay:~/cache$ ./lab5a -A
./lab5a: option requires an argument -- A
jeffk@tomalesbay:~/cache$ ./lab5a -A foo
./lab5a: invalid associativity `foo'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4foo
./lab5a: invalid associativity `4foo'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4
./lab5a: missing option -- S
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S
./lab5a: option requires an argument -- S
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024foo
./lab5a: invalid cache size `1024foo'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024
./lab5a: missing option -- B
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B
./lab5a: option requires an argument -- B
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 123456
./lab5a: invalid block size `123456'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 64
./lab5a: missing operand after `64'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 64 trace1 trace2
./lab5a: extra operand `trace2'
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 64 foo
./lab5a: foo: No such file or directory
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 64 Makefile 
Associativity: 4-Way Set Associative
Cache size: 1024KB
Block size: 64B
Trace Input:
./lab5a: Makefile: invalid syntax on line 1
jeffk@tomalesbay:~/cache$ ./lab5a -A 4 -S 1024 -B 64 trace 
Associativity: 4-Way Set Associative
Cache size: 1024KB
Block size: 64B
Trace Input:
2146980967
134514980
1328899880
2100183659
1884247095
711931474
2741516894
993144952
1785942654
jeffk@tomalesbay:~/cache$ ./lab5a -B64 -A4 trace -S1024 # no spacing, reorder
Associativity: 4-Way Set Associative
Cache size: 1024KB
Block size: 64B
Trace Input:
2146980967
134514980
1328899880
2100183659
1884247095
711931474
2741516894
993144952
1785942654
jeffk@tomalesbay:~/cache$ ./lab5a -A4 trace -S1024 -B64 -A8 # repeated -A option
Associativity: 8-Way Set Associative
Cache size: 1024KB
Block size: 64B
Trace Input:
2146980967
134514980
1328899880
2100183659
1884247095
711931474
2741516894
993144952
1785942654
jeffk@tomalesbay:~/cache$ ./lab5a -A4 -S1024 -B64 -- -A8 # -A8 is a trace file
Associativity: 4-Way Set Associative
Cache size: 1024KB
Block size: 64B
Trace Input:
2146980967
134514980
1328899880
2100183659
1884247095
711931474
2741516894
993144952
1785942654