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D.6.4.5 init_debug
Procedure from library classify.lib (see classify_lib).
- Usage:
- init_debug([level]); level=int
- Compute:
- Set the global variable @DeBug to level. The variable @DeBug is
used by the function debug_log(level, list of strings) to know
when to print the list of strings. init_debug() reports only
changes of @DeBug.
- Note:
- The procedure init_debug(n); is useful as trace-mode. n may
range from 0 to 10, higher values of n give more information.
Example:
| | LIB "classify.lib";
init_debug();
debug_log(1,"no trace information printed");
init_debug(1);
==> Debugging level change from 0 to 1
debug_log(1,"some trace information");
==> some trace information
init_debug(2);
==> Debugging level change from 1 to 2
debug_log(2,"nice for debugging scripts");
==> Debug:(2): nice for debugging scripts
init_debug(0);
==> Debugging switched off.
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