1 files changed, 24 insertions, 24 deletions

diff --git a/lib/shell/filter.rb b/lib/shell/filter.rb
index 3f88d0f5d2..d07cc3dd07 100644
--- a/lib/shell/filter.rb
+++ b/lib/shell/filter.rb
@@ -1,8 +1,8 @@
 #
 #   shell/filter.rb -
-#   	$Release Version: 0.7 $
-#   	$Revision$
-#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#     $Release Version: 0.7 $
+#     $Revision$
+#     by Keiju ISHITSUKA(keiju@ruby-lang.org)
 #
 # --
 #
@@ -19,8 +19,8 @@ class Shell
     include Enumerable
 
     def initialize(sh)
-      @shell = sh	  # parent shell
-      @input = nil	  # input filter
+      @shell = sh    # parent shell
+      @input = nil    # input filter
     end
 
     attr_reader :input
@@ -32,52 +32,52 @@ class Shell
     def each(rs = nil)
       rs = @shell.record_separator unless rs
       if @input
-	@input.each(rs){|l| yield l}
+        @input.each(rs){|l| yield l}
       end
     end
 
     def < (src)
       case src
       when String
-	cat = Cat.new(@shell, src)
-	cat | self
+        cat = Cat.new(@shell, src)
+        cat | self
       when IO
-	self.input = src
-	self
+        self.input = src
+        self
       else
-	Shell.Fail Error::CantApplyMethod, "<", to.class
+        Shell.Fail Error::CantApplyMethod, "<", to.class
       end
     end
 
     def > (to)
       case to
       when String
-	dst = @shell.open(to, "w")
-	begin
-	  each(){|l| dst << l}
-	ensure
-	  dst.close
-	end
+        dst = @shell.open(to, "w")
+        begin
+          each(){|l| dst << l}
+        ensure
+          dst.close
+        end
       when IO
-	each(){|l| to << l}
+        each(){|l| to << l}
       else
-	Shell.Fail Error::CantApplyMethod, ">", to.class
+        Shell.Fail Error::CantApplyMethod, ">", to.class
       end
       self
     end
 
     def >> (to)
       begin
-	Shell.cd(@shell.pwd).append(to, self)
+        Shell.cd(@shell.pwd).append(to, self)
       rescue CantApplyMethod
-	Shell.Fail Error::CantApplyMethod, ">>", to.class
+        Shell.Fail Error::CantApplyMethod, ">>", to.class
       end
     end
 
     def | (filter)
       filter.input = self
       if active?
-	@shell.process_controller.start_job filter
+        @shell.process_controller.start_job filter
       end
       filter
     end
@@ -100,9 +100,9 @@ class Shell
 
     def inspect
       if @shell.debug.kind_of?(Integer) && @shell.debug > 2
-	super
+        super
       else
-	to_s
+        to_s
       end
     end
   end