Operations on boolean variables
bash, boolean, sh, shell
Solution
This does work:
if ! $var1 && $var2; then
echo "do sth"
fi
Maybe somebody can explain why -a and -o operators don't work and &&, ||, ! do?
Problem
In this question it has been shown how to use neat boolean variables in bash. Is there a way of performing logic operations with such variables? E.g. how to get this: ``` var1=true var2=false # ...do something interesting... if ! $var1 -a $var2; then <--- doesn't work correctly echo "do sth" fi ```