Add 'bash/associative_array.bash'

Associative Arrays and how to iterate over them

bash/associative_array.bash

@@ -0,0 +1,19 @@
+#!/bin/bash
+#
+# associative_array.bash. Derived from:
+# https://stackoverflow.com/questions/3112687/how-to-iterate-over-associative-arrays-in-bash
+
+# Make an array and stuff it full of values
+declare -A array
+array[repo_one]=true
+array[repo_two]=true
+array[repo_three]=false
+
+# The key is accessed using the exclamation point
+for i in "${!array[@]}"
+do
+  echo "key  : $i"
+  if ${array[$i]}; then
+    echo "$i is true"
+  fi
+done