How can I count the number of characters in a Bash variable
bash, linux
Solution
Using the `${#VAR}` syntax will calculate the number of characters in a variable.
https://www.gnu.org/software/bash/manual/bashref.html#Shell-Parameter-Expansion
Problem
How can I count all characters in a bash variable? For instance, if I had ``` "stackoverflow" ``` the result should be ``` "13" ```