| dnl @ ../doc/m4.texi:6702: Origin of test |
| dnl @ expected status: 0 |
| dnl @ extra options: |
| dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software |
| dnl @ Foundation, Inc. |
| dnl @ This file is free software; the Free Software Foundation |
| dnl @ gives unlimited permission to copy and/or distribute it |
| dnl @ with or without modifications, as long as this notice |
| dnl @ is preserved. |
| sysval |
| dnl @result{}0 |
| syscmd(`false') |
| dnl @result{} |
| ifelse(sysval, `0', `zero', `non-zero') |
| dnl @result{}non-zero |
| syscmd(`exit 2') |
| dnl @result{} |
| sysval |
| dnl @result{}2 |
| syscmd(`true') |
| dnl @result{} |
| sysval |
| dnl @result{}0 |
| esyscmd(`false') |
| dnl @result{} |
| ifelse(sysval, `0', `zero', `non-zero') |
| dnl @result{}non-zero |
| esyscmd(`echo dnl && exit 127') |
| dnl @result{} |
| sysval |
| dnl @result{}127 |
| esyscmd(`true') |
| dnl @result{} |
| sysval |
| dnl @result{}0 |
