Shell Floor Integer Division

So to perform arithmetic operations we use the expr command.

Shell floor integer division.

As you can see above that the result of division must be 2 5 but we are getting 2. Division modulus to get remainder. Val1 6000 val2 5000 res val1 val2 1 2 round to 2 please help. In mathematics and computer science the floor function is the function that takes as input a real number and gives as output the greatest integer less than or equal to denoted or similarly the ceiling function maps to the least integer greater than or equal to denoted or.

I want to perform the below division operation in shell script and round the value. For example and while. The expr command can only work with integer values. It is because double parenthesis is suitable for integer arithmetic operations.

The legacy way to do math calculations with integer and only integer has been for a long time to use the expr command line. In shell script all variables hold string value even if they are numbers. Floor division means the will always take the floor or the lower number. Hello experts is there any inbuild floor function to do floor func in mathmetics in awk script like in floor func in c.

3 replies discussion started by. Doing math in bash with integer using the expr command line. If you imagine a room where 3 is on the ceiling and 2 is on the floor. For floating point numbers we use the bc command.

Ex floor 2 9 2 floor 2 1 2 floor 2 0 2 floor 2 0 2 floor 2 1 3 floor 2 9. Integer division without decimal numbers modulus division gives only remainder exponentiation x to the power y performing addition and subtraction in bash scripts. Though this method can be slow as expr is a binary not a shell builtin. 2 5 would fit in the middle.