Added a multi-line example that works with Bash 3.x

SC2207.md

@@ -11,9 +11,12 @@ array=( $(mycommand) )
 If it outputs multiple lines, each of which should be an element:
 
 ```sh
-# For bash
+# For bash 4.x
 mapfile -t array < <(mycommand)
 
+# For bash 3.x+
+while IFS=$'\n' read -r line; do array+=("$line"); done < <(mycommand)
+
 # For ksh
 mycommand | while IFS="" read -r line; do array+=("$line"); done
 ```