This function returns the result of a bitwise AND operation on arguments. There must be at least two arguments. Its syntax is as follows:
and(num1, num2 [, …])
In the and operation, for the output to be 1, both the bits that are given as input should be 1 and not 0. The following truth table summarizes how the and operation works when processing two bits:
0 and 0 = 0
0 and 1 = 0
1 and 0 = 0
1 and 1 = 1
The following shows how the and operation works when processing the decimal 5, and 6 illustrates the working of and() function:
5 = 101
6 = 110
5 and 6 = 100 which is decimal 4
The following example shows how the and(num1, num2) functions work:
$ vi and.awk
BEGIN {
num1 = 5
num2 = 6
result = and(num1,num2)
printf "(%d AND %d) = %d ", num1, num2, result
}
$ awk -f and.awk
The output of the execution of the previous code is as follows:
(5 AND 6) = 4