Command : Inc , Dec


Syntax


INC < variable >
DEC < variable >

Description


INC : Increments the value of a variable by 1.
DEC : Decrements the value of a variable by 1.
If the variable does not contain a number , these commands will do nothing.
Note that there is a limit for the numbers that can be incremented , it depends on the size of type long on your machine.

Example


set $num 100;
while ($num)<
    dec $num;
>

See also


SET UNSET
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