+(defcustom riece-ruby-out-file (expand-file-name "riece-ruby.out"
+ riece-directory)
+ "A file which records stdout of Ruby programs."
+ :type 'string
+ :group 'riece-ruby)
+
+(defcustom riece-ruby-err-file (expand-file-name "riece-ruby.err"
+ riece-directory)
+ "A file which records stderr of Ruby programs."
+ :type 'string
+ :group 'riece-ruby)
+
+(defcustom riece-ruby-log-file (expand-file-name "riece-ruby.log"
+ riece-directory)
+ "A file used to logging."
+ :type 'string
+ :group 'riece-ruby)
+