IO::write added

dbenhur · Apr 11, 2012 · f1a9be1 · f1a9be1
1 parent c9f5431
commit f1a9be1
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/kernel/common/io19.rb b/kernel/common/io19.rb
@@ -32,6 +32,14 @@ def self.binwrite(file, string, offset=nil)
     end
   end
 
+  def self.write(file, string, offset=nil)
+    mode = (offset.nil? || !File.file?(file)) ? "w:ASCII-8BIT" : "r+:ASCII-8BIT"
+    File.open(file, mode) do |f|
+      f.seek(offset || 0)
+      f.write(string)
+    end
+  end
+
   def self.for_fd(fd, mode=undefined, options=undefined)
     new fd, mode, options
   end

diff --git a/spec/tags/19/ruby/core/io/write_tags.txt b/spec/tags/19/ruby/core/io/write_tags.txt
@@ -1,8 +1,3 @@
-fails:IO.write coerces the argument to a string using to_s
-fails:IO.write returns the number of bytes written
-fails:IO.write creates a file if missing
-fails:IO.write truncates the file and writes the given string
-fails:IO.write doesn't truncate the file and writes the given string if an offset is given
 fails:IO.write accepts a :mode option
 fails:IO.write raises an error if readonly mode is specified
 fails:IO.write uses encoding from given options, if provided