_LOGMINLEVEL

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The _LOGMINLEVEL function returns the current minimum logging level that is being output.


Syntax

level& = _LOGMINLEVEL


Parameters

  • The return value level& is a number from 1 to 5 indicating the current minimum level of logging enabled. The below table indicates the mapping:
                           ┌────────┬─────────────┐
                           │ Number │  Log level  │
                           ├────────┼─────────────┤
                           │   1    │    Trace    │
                           ├────────┼─────────────┤
                           │   2    │ Information │
                           ├────────┼─────────────┤
                           │   3    │   Warning   │
                           ├────────┼─────────────┤
                           │   4    │    Error    │
                           ├────────┼─────────────┤
                           │   5    │    None     │
                           └────────┴─────────────┘


Description

* The purpose of _LOGMINLEVEL is to allow programs to skip generating expensive logging if that logging would not be output anywhere. * For example, you may have a very large array of integers that you want to log fairly often - generating the strings of the log messages for that array can slow down your program even if those messages are ultimately never written anywhere. By checking _LOGMINLEVEL before generating those log messages you can avoid that expensive work if it would not be used but also still produce it when you request it. * If the function returns a 2, that indicates that only logging at the Information level and above is being captured somewhere. If the function returns a 5, that means no logging is being captured anywhere.

Availability

Examples

; Example 1 : Writes a log message at the information level
level& = _LOGMINLEVEL

IF level& < 2 THEN
    ' Generate expensive log messages
    _LOGTRACE expensiveLogMessage$
END IF


See also



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