diff options
Diffstat (limited to 'Doc/help/test')
| -rw-r--r-- | Doc/help/test | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/Doc/help/test b/Doc/help/test index 4b8d48e78..9abe33fd4 100644 --- a/Doc/help/test +++ b/Doc/help/test @@ -1,20 +1,20 @@ test [ arg ... ] [ [ arg ... ] ] - Like the system version of test. Added for compatibility; use - conditional expressions instead (see the section `Conditional + Like the system version of test. Added for compatibility; use + conditional expressions instead (see the section `Conditional Expressions'). The main differences between the conditional ex- pression syntax and the test and [ builtins are: these commands - are not handled syntactically, so for example an empty variable - expansion may cause an argument to be omitted; syntax errors - cause status 2 to be returned instead of a shell error; and + are not handled syntactically, so for example an empty variable + expansion may cause an argument to be omitted; syntax errors + cause status 2 to be returned instead of a shell error; and arithmetic operators expect integer arguments rather than arith- metic expressions. The command attempts to implement POSIX and its extensions where these are specified. Unfortunately there are intrinsic ambigui- - ties in the syntax; in particular there is no distinction be- - tween test operators and strings that resemble them. The stan- - dard attempts to resolve these for small numbers of arguments + ties in the syntax; in particular there is no distinction be- + tween test operators and strings that resemble them. The stan- + dard attempts to resolve these for small numbers of arguments (up to four); for five or more arguments compatibility cannot be - relied on. Users are urged wherever possible to use the `[[' + relied on. Users are urged wherever possible to use the `[[' test syntax which does not have these ambiguities. |