Add (collect) exit codes in bash

Question

I need to depend on few separate executions in a script and don\'t want to bundle them all in an ugly \'if\' statement. I would like to take the exit code \'$?\' of each executi

Answer 1

Use the $(( ... )) construct.

$ cat st.sh
RESULT=0
true
RESULT=$(($RESULT + $?))
false
RESULT=$(($RESULT + $?))
false
RESULT=$(($RESULT + $?))
echo $RESULT
$ sh st.sh
2
$