calc median

gaboshlib/g_median.sh

@@ -0,0 +1,27 @@
+function g_median {
+  unset g_median_result
+
+  # Array with numbers
+  local g_numbers=("$@")
+
+  # sort array
+  local g_sorted_numbers=($(printf "%s\n" "${g_numbers[@]}" | sort -n))
+  
+  # number of elements
+  local g_num_elements=${#g_sorted_numbers[@]}
+   
+  # calculate the middle
+  local g_middle=$((num_elements/2))
+
+  local g_median
+  # Falls die Anzahl der Elemente ungerade ist
+  if ((g_num_elements % 2 == 1)); then
+    g_median=${sorted_numbers[middle]}
+  else
+    # Falls die Anzahl der Elemente gerade ist
+    g_calc "(${sorted_numbers[middle - 1]} + ${sorted_numbers[middle]}) / 2"
+    g_median=$g_calc_result
+  fi
+
+  g_median_result=$g_median
+}