| Next | |
32 |
The Bourne shell had no arithmetic built in
But there was an expr command (in C) that did arithmetic:
% expr 5 + 4
9
Need formatted output like C's printf?
No problem, someone eventually wrote a printf command
% printf "|%-6s| |%3d| |\$%12.2f|\n" foo 8 12.346
|foo | | 8| |$ 12.35|
| Next |  |
Copyright © 2011 M. J. Dominus |