lib/rb-fsevent/fsevent.rb in rb-fsevent-0.3.4 vs lib/rb-fsevent/fsevent.rb in rb-fsevent-0.3.5

@@ -23,11 +23,11 @@
   def bin_path
     File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'bin'))
   end
   
   def launch_bin
-      @pipe = IO.popen("#{bin_path}/fsevent_watch #{path.shellescape}")
+    @pipe = IO.popen("#{bin_path}/fsevent_watch #{shellescape(path)}")
   end
   
   def listen
     while !pipe.eof?
       if line = pipe.readline
@@ -35,8 +35,26 @@
         callback.call(modified_dir_paths)
       end
     end
   rescue Interrupt
     stop
+  end
+  
+  # for Ruby 1.8.6  support
+  def shellescape(str)
+    # An empty argument will be skipped, so return empty quotes.
+    return "''" if str.empty?
+    
+    str = str.dup
+    
+    # Process as a single byte sequence because not all shell
+    # implementations are multibyte aware.
+    str.gsub!(/([^A-Za-z0-9_\-.,:\/@\n])/n, "\\\\\\1")
+    
+    # A LF cannot be escaped with a backslash because a backslash + LF
+    # combo is regarded as line continuation and simply ignored.
+    str.gsub!(/\n/, "'\n'")
+    
+    return str
   end
   
 end
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