From aa6e98139c8e1ea442fb2182341aaa08ff55b529 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 14 May 2013 11:27:23 +0000
Subject: add tag v1_9_3_426

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_3_426@40733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_1_9_3/lib/shell/builtin-command.rb | 160 ++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 ruby_1_9_3/lib/shell/builtin-command.rb

(limited to 'ruby_1_9_3/lib/shell/builtin-command.rb')

diff --git a/ruby_1_9_3/lib/shell/builtin-command.rb b/ruby_1_9_3/lib/shell/builtin-command.rb
new file mode 100644
index 0000000000..b1ca5c38f6
--- /dev/null
+++ b/ruby_1_9_3/lib/shell/builtin-command.rb
@@ -0,0 +1,160 @@
+#
+#   shell/builtin-command.rb -
+#       $Release Version: 0.7 $
+#       $Revision$
+#       by Keiju ISHITSUKA(keiju@ruby-lang.org)
+#
+# --
+#
+#
+#
+
+require "shell/filter"
+
+class Shell
+  class BuiltInCommand<Filter
+    def wait?
+      false
+    end
+    def active?
+      true
+    end
+  end
+
+  class Void < BuiltInCommand
+    def initialize(sh, *opts)
+      super sh
+    end
+
+    def each(rs = nil)
+      # do nothing
+    end
+  end
+
+  class Echo < BuiltInCommand
+    def initialize(sh, *strings)
+      super sh
+      @strings = strings
+    end
+
+    def each(rs = nil)
+      rs =  @shell.record_separator unless rs
+      for str  in @strings
+        yield str + rs
+      end
+    end
+  end
+
+  class Cat < BuiltInCommand
+    def initialize(sh, *filenames)
+      super sh
+      @cat_files = filenames
+    end
+
+    def each(rs = nil)
+      if @cat_files.empty?
+        super
+      else
+        for src in @cat_files
+          @shell.foreach(src, rs){|l| yield l}
+        end
+      end
+    end
+  end
+
+  class Glob < BuiltInCommand
+    def initialize(sh, pattern)
+      super sh
+
+      @pattern = pattern
+    end
+
+    def each(rs = nil)
+      if @pattern[0] == ?/
+        @files = Dir[@pattern]
+      else
+        prefix = @shell.pwd+"/"
+        @files = Dir[prefix+@pattern].collect{|p| p.sub(prefix, "")}
+      end
+      rs =  @shell.record_separator unless rs
+      for f in @files
+        yield f+rs
+      end
+    end
+  end
+
+#   class Sort < Cat
+#     def initialize(sh, *filenames)
+#       super
+#     end
+#
+#     def each(rs = nil)
+#       ary = []
+#       super{|l|       ary.push l}
+#       for l in ary.sort!
+#       yield l
+#       end
+#     end
+#   end
+
+  class AppendIO < BuiltInCommand
+    def initialize(sh, io, filter)
+      super sh
+      @input = filter
+      @io = io
+    end
+
+    def input=(filter)
+      @input.input=filter
+      for l in @input
+        @io << l
+      end
+    end
+
+  end
+
+  class AppendFile < AppendIO
+    def initialize(sh, to_filename, filter)
+      @file_name = to_filename
+      io = sh.open(to_filename, "a")
+      super(sh, io, filter)
+    end
+
+    def input=(filter)
+      begin
+        super
+      ensure
+        @io.close
+      end
+    end
+  end
+
+  class Tee < BuiltInCommand
+    def initialize(sh, filename)
+      super sh
+      @to_filename = filename
+    end
+
+    def each(rs = nil)
+      to = @shell.open(@to_filename, "w")
+      begin
+        super{|l| to << l; yield l}
+      ensure
+        to.close
+      end
+    end
+  end
+
+  class Concat < BuiltInCommand
+    def initialize(sh, *jobs)
+      super(sh)
+      @jobs = jobs
+    end
+
+    def each(rs = nil)
+      while job = @jobs.shift
+        job.each{|l| yield l}
+      end
+    end
+  end
+end
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