lib/rio/ops/file.rb in rio-0.4.2 vs lib/rio/ops/file.rb in rio-0.5.1

@@ -1,8 +1,8 @@
 #--
-# =============================================================================== 
-# Copyright (c) 2005,2006,2007,2008 Christopher Kleckner
+# ===========================================================================
+# Copyright (c) 2005-2012 Christopher Kleckner
 # All rights reserved
 #
 # This file is part of the Rio library for ruby.
 #
 # Rio is free software; you can redistribute it and/or modify
@@ -16,29 +16,18 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with Rio; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-# =============================================================================== 
+# =========================================================================== 
 #++
 #
-# To create the documentation for Rio run the command
-#  ruby build_doc.rb
-# from the distribution directory.
-#
-# Suggested Reading
-# * RIO::Doc::SYNOPSIS
-# * RIO::Doc::INTRO
-# * RIO::Doc::HOWTO
-# * RIO::Doc::EXAMPLES
-# * RIO::Rio
-#
 
 
-require 'rio/cp'
-require 'rio/piper/cp'
-require 'rio/ops/either'
+#require 'rio/cp'
+#require 'rio/piper/cp'
+#require 'rio/ops/either'
 
 # module RIO
 #   module Impl
 #     module U
 #       def self.copy(s,d)
@@ -73,30 +62,44 @@
           %w[stream_sel stream_nosel].any? { |k| cx.has_key?(k) }
         end
         def empty?() 
           self.selective? ? self.to_a.empty? : self.size == 0 
         end
-        def rm(*args) 
+        def delete(*args) 
           rtn_reset { 
-            fs.rm(self,*args) 
+            fs.delete(self,*args) 
           } 
         end
-        alias :delete :rm
+        alias :rm :delete
         alias :unlink :delete
-        alias :delete! :rm
+        alias :delete! :delete
         def touch(*args) rtn_self { fs.touch(self.to_s,*args) } end
-        def truncate(sz=0) rtn_reset { fs.truncate(self.to_s,sz) } end
+        def truncate(sz=0) 
+          rtn_reset { 
+            sz = 0 if sz < 0
+            fs.truncate(self.to_s,sz) 
+          } 
+        end
         def clear() truncate(0) end
       end
       module NonExisting
         include ExistOrNot
         include FileOrDir::NonExisting
 
-        def rm(*args) rtn_self { ; } end
-        alias delete rm
+        def delete(*args) rtn_self { ; } end
+        alias :rm :delete
         alias :unlink :delete
-        alias delete! rm
-        def touch(*args) rtn_reset { fs.touch(self,*args) } end
+        alias :delete! :delete
+        def touch(*args) 
+          rtn_reset { 
+            # fs.touch(self,*args) 
+            ::File.open(self.to_s, 'a') {
+              ;
+            }
+          }
+ 
+        end
+        def truncate(sz=0) self.touch.truncate(sz) end
       end
     end
   end
 end