projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| ed68ddb1 KM |
1 | .\" Copyright (c) 1983 Regents of the University of California. |
| 2 | .\" All rights reserved. The Berkeley software License Agreement | |
| 3 | .\" specifies the terms and conditions for redistribution. | |
| 4 | .\" | |
| bbfa0197 | 5 | .\" @(#)false.1 6.1 (Berkeley) %G% |
| ed68ddb1 | 6 | .\" |
| bbfa0197 | 7 | .TH FALSE 1 "" |
| ed68ddb1 KM |
8 | .UC 5 |
| 9 | .SH NAME | |
| 10 | false, true \- provide truth values | |
| 11 | .SH SYNOPSIS | |
| 12 | .B true | |
| 13 | .PP | |
| 14 | .B false | |
| 15 | .SH DESCRIPTION | |
| 16 | .I True | |
| 17 | and | |
| 18 | .I false | |
| 19 | are usually used in a Bourne shell script. | |
| 20 | They test for the appropriate status "true" or "false" before running | |
| 21 | (or failing to run) a list of commands. | |
| 22 | .SH EXAMPLE | |
| 23 | .IP | |
| 24 | .nf | |
| 25 | while false | |
| 26 | do | |
| 27 | command list | |
| 28 | done | |
| 29 | .SH "SEE ALSO" | |
| 30 | csh(1), | |
| 31 | sh(1), | |
| 32 | true(1) | |
| 33 | .SH DIAGNOSTICS | |
| 34 | .I False | |
| 35 | has exit status nonzero. |