babbage% gcc -o genfile genfile.c
babbage% genfile
initializing random number generator
generating file of integers
generating file of reals
writing of files completed
babbage% cat integer.file
16434
28836
18114
7586
11166
5920
6577
7990
17474
5539
babbage% cat real.file
0.432630
0.043611
0.737999
0.732139
0.254158
0.067476
0.830164
0.044099
0.038179
0.009583