decr

Decrement the value of an integer.

int64 incr <varref:Var>

The value of Var after it was decremented by 1.

// create a new integer 'i', and set it to 10
int i
set i 10

// decrement the value of 'i' four times, and echo to log 
echo <zs:decr i>
echo <zs:decr i>
echo <zs:decr i>
echo <zs:decr i>

… the output of which is written to the event log by echo as:

9
8
7
6

The following variable types of the argument Var are supported by decr:

• char
• sbyte (signed byte)
• byte
• short
• ushort
• int
• uint
• int64

• incr
• sub