5.3.9 TRACE

Type:

int

Purpose:

sets level of debugging.

TRACE=0

no debugging messages are printed.

TRACE=1

messages about entering and leaving of procedures are displayed.

TRACE=3

messages about entering and leaving of procedures together with line numbers are displayed.

TRACE=4

each line is echoed and the interpretation of commands in this line is suspended until the user presses RETURN.

TRACE is defaulted to 0.
TRACE does not affect the output of commands.

Example:

TRACE=1; LIB "general.lib"; sum(1..100); → entering sum (level 0) → leaving sum (level 0) → 5050

See int.