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-rw-r--r--ruby_1_8_6/lib/shell/builtin-command.rb154
1 files changed, 154 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/shell/builtin-command.rb b/ruby_1_8_6/lib/shell/builtin-command.rb
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+++ b/ruby_1_8_6/lib/shell/builtin-command.rb
@@ -0,0 +1,154 @@
+#
+# shell/builtin-command.rb -
+# $Release Version: 0.6.0 $
+# $Revision$
+# $Date$
+# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
+#
+# --
+#
+#
+#
+
+require "shell/filter"
+
+class Shell
+ class BuiltInCommand<Filter
+ def wait?
+ false
+ end
+ def active?
+ true
+ 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
+ Thread.critical = true
+ back = Dir.pwd
+ begin
+ Dir.chdir @shell.cwd
+ @files = Dir[pattern]
+ ensure
+ Dir.chdir back
+ Thread.critical = false
+ end
+ end
+
+ def each(rs = nil)
+ 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