Extracted icons into a separate file.

functions/utilities.zsh

@@ -1,13 +1,10 @@
 # vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
 ################################################################
-# power-functions
+# Utility functions
 # This file holds some utility-functions for
 # the powerlevel9k-ZSH-theme
 # https://github.com/bhilburn/powerlevel9k
 ################################################################
-################################################################
-# Utility functions
-################################################################
 
 # Exits with 0 if a variable has been previously defined (even if empty)
 # Takes the name of a variable that should be checked.
@@ -29,19 +26,6 @@ function set_default() {
   defined "$varname" || typeset -g "$varname"="$default_value"
 }
 
-# Safety function for printing icons
-# Prints the named icon, or if that icon is undefined, the string name.
-function print_icon() {
-  local icon_name=$1
-  local ICON_USER_VARIABLE=POWERLEVEL9K_${icon_name}
-  local USER_ICON=${(P)ICON_USER_VARIABLE}
-  if defined "$ICON_USER_VARIABLE"; then
-    echo -n "$USER_ICON"
-  else
-    echo -n "${icons[$icon_name]}"
-  fi
-}
-
 # Get numerical color codes. That way we translate ANSI codes
 # into ZSH-Style color codes.
 function getColorCode() {
@@ -140,12 +124,6 @@ function getRelevantItem() {
   done
 }
 
-get_icon_names() {
-  for key in ${(@k)icons}; do
-    echo "POWERLEVEL9K_$key: ${icons[$key]}"
-  done
-}
-
 # OS detection for the `os_icon` segment
 case $(uname) in
     Darwin)