Use subfolders for each implementation.

bash/example.sh

@@ -20,8 +20,9 @@
 ##                             used instead. Short version is not available in this
 ##                             format.
 
-  source easyoptions    || exit # Ruby implementation
+  script_dir=$(dirname "$BASH_SOURCE")
-# source easyoptions.sh || exit # Bash implementation, slower
+  source "${script_dir}/../easyoptions" || exit # Ruby implementation
+# source "${script_dir}/easyoptions.sh" || exit # Bash implementation, slower
 
 # Boolean and parameter options
 [[ -n "$some_option"  ]] && echo "Option specified: --some-option"

easyoptions

@@ -24,4 +24,4 @@
 ##
 
 script_dir=$(dirname "$BASH_SOURCE")
-eval "$(PATH="$PATH:/usr/lib/ruby/vendor_ruby:${script_dir}" from="$0" easyoptions.rb "$@" || echo exit 1)"
+eval "$(PATH="$PATH:/usr/lib/ruby/vendor_ruby:${script_dir}/ruby" from="$0" easyoptions.rb "$@" || echo exit 1)"

install.sh

@@ -6,8 +6,8 @@ mkdir -p "$where" || exit
 
 if [[ "$2" != --remove ]]; then
     cp -v "$from/easyoptions"     "$where"
-    cp -v "$from/easyoptions.sh"  "$where"
+    cp -v "$from/bash/easyoptions.sh"  "$where"
-    cp -v "$from/easyoptions.rb"  "$where"
+    cp -v "$from/ruby/easyoptions.rb"  "$where"
 else
     rm -vf "$where/easyoptions"
     rm -vf "$where/easyoptions.sh"