scripts/tools in rvm-0.1.42 vs scripts/tools in rvm-0.1.43

@@ -1,9 +1,11 @@
+#!/usr/bin/env bash
+
 source "$rvm_scripts_path/base"
 
 usage() {
-  echo "Usage: rvm tools {identifier,path-identifier}" 1>&2
+  echo "Usage: rvm tools {identifier,path-identifier,strings}" 1>&2
   exit 1
 }
 
 # Return the identifier that's current in use.
 tools_identifier() {
@@ -19,16 +21,29 @@
   (source $rvm_scripts_path/rvm
    cd "$1" >/dev/null 2>&1
     __rvm_environment_identifier)
 }
 
+tools_strings() {
+  for ruby_name in "$@"; do
+    __rvm_unset_ruby_variables
+    rvm_ruby_string="$ruby_name"
+    if { __rvm_ruby_string && __rvm_select; } >/dev/null 2>&1; then
+      basename "$rvm_ruby_gem_home"
+    else
+      echo ""
+    fi
+  done
+}
+
 [[ -z "$1" ]] && usage
 
 action="$1"; shift
 
 case "$action" in
   identifier)      tools_identifier ;;
   path-identifier) tools_path_identifier "$@" ;;
+  strings)         tools_strings "$@" ;;
   *)               usage ;;
 esac
 
 exit $?