diff --git a/lib/scm_breeze.sh b/lib/scm_breeze.sh
index 9176bea..2133003 100644
--- a/lib/scm_breeze.sh
+++ b/lib/scm_breeze.sh
@@ -1,10 +1,10 @@
 # Detect shell
 if [ -n "${ZSH_VERSION:-}" ]; then shell="zsh"; else shell="bash"; fi
 # Detect whether zsh 'shwordsplit' option is on by default.
-if [[ $shell == "zsh" ]]; then zsh_shwordsplit=$((setopt | grep -q shwordsplit) && echo "true"); fi
+if [ $shell = "zsh" ]; then zsh_shwordsplit=$( (setopt | grep -q shwordsplit) && echo "true" ); fi
 # Switch on/off shwordsplit for functions that require it.
-zsh_compat(){ if [[ $shell == "zsh" && -z $zsh_shwordsplit ]]; then setopt shwordsplit; fi; }
-zsh_reset(){  if [[ $shell == "zsh" && -z $zsh_shwordsplit ]]; then unsetopt shwordsplit; fi; }
+zsh_compat(){ if [ $shell = "zsh" && -z $zsh_shwordsplit ]; then setopt shwordsplit; fi; }
+zsh_reset(){  if [ $shell = "zsh" && -z $zsh_shwordsplit ]; then unsetopt shwordsplit; fi; }
 
 # Alias wrapper that ignores errors if alias is not defined.
 _alias(){ alias "$@" 2> /dev/null; }
@@ -31,7 +31,7 @@ _create_or_patch_scmbrc() {
     # Create file from example if it doesn't already exist
     if ! [ -e "$HOME/.$scm.scmbrc" ]; then
       cp "$HOME/.scm_breeze/$scm.scmbrc.example" "$HOME/.$scm.scmbrc"
-      echo "== '~/.$scm.scmbrc' has been created. Please edit this file to change SCM Breeze settings for '$scm'."
+      printf "== '~/.$scm.scmbrc' has been created. Please edit this file to change SCM Breeze settings for '$scm'.\n"
     # If file exists, attempt to update it with any new settings
     elif [ -n "$1" ]; then
       # Create diff of example file, substituting example file for user's config.
@@ -40,8 +40,8 @@ _create_or_patch_scmbrc() {
         cd $HOME
         # If the patch cannot be applied cleanly, show the updates and tell user to update file manually.
         if ! patch -f "$HOME/.$scm.scmbrc" $patchfile; then
-          echo -e "== \e[0;31mUpdates could not be applied to '\e[1m~/.$scm.scmbrc\e[0;31m'.\e[0m"
-          echo -e "== Please look at the following changes and manually update '~/.$scm.scmbrc', if necessary.\n"
+          printf "== \e[0;31mUpdates could not be applied to '\e[1m~/.$scm.scmbrc\e[0;31m'.\e[0m\n"
+          printf "== Please look at the following changes and manually update '~/.$scm.scmbrc', if necessary.\n\n"
           cat "$HOME/.$scm.scmbrc.rej"
         fi
         cd "$scmbDir"