2
votes
4answers
566 views

Calculate variable, and output it to another variable

The only calculator I know is bc. I want to add 1 to a variable, and output to another variable. I got the nextnum variable from counting string in a file: nextnum=`grep -o stringtocount ...
4
votes
1answer
197 views

How to define a `bc` function for later use?

I've always found bc kind of mysterious and intriguing. It was one of the original Unix programs. And it's a programming language unto itself. So I gladly take any chance I can find to use it. Since ...