You have to 'echo' the arithmetic operation to bc via pipe: echo "$num1/$num2" | bc -l So, the previous script is modified into: #!/bin/bash num1=50 num2=6 result=$(echo "$num1/$num2" | bc -l) echo "The result is $result" And now you get the result: The result is...
Math and arithmetic operations are essential in Bash scripting. Various automation tasks require basic arithmetic operations, such as converting theCPU temperatureto Fahrenheit. Implementing math operations inBashis simple and very easy to learn. This guide teaches you how to do basic math in Bash in...
In the below awk script, it matches last field of all lines containing the pattern /bin/sh. Regular expression should be closed between //. So all the frontslash(/) has to be escaped in the regular expression. When a line matches variable ‘n’ gets incremented by one. Printed the valu...
Bit-Shifting Operations: It is responsible for displacement in the locations of the bits to the by right or left by a certain number of places that are known as a multiplication operation. Arithmetic Operations: Although it performs multiplication and division, this refers to bit addition and sub...
The return status is the status of the last command exited within the script (0 if no commands are executed), and false if filename is not found or cannot be read. alias [-p] [name[=value] ...] Alias with no arguments or with the -p option prints the list of aliases in the ...