Updated to release 0.6:

* Remove the .err-file if the compile was succesful.
* Watch the directories of the files that should be watched
  instead of the files themself.
* Look for CLOSE_WRITE events instead of MODIFY.  This makes
  rubberin compatible with vim/gedit/ispell/svn/git/etc.

rubberin

@@ -68,8 +68,10 @@ def compile(infile, mode)
   params = ARGV.join(' ')
   err_file = infile.with_extname('err')
 
-  system "rubber --inplace #{mode_opt} #{params} #{infile} 2> #{err_file}"
+  ret = system "rubber --inplace #{mode_opt} #{params} #{infile} 2> #{err_file}"
   File.open(err_file) { |file| puts file.read }
+  # Remove the output save file if compile was succesful.
+  File.unlink(err_file) if ret
 end
 
 # Start the right viewer based on the mode.
@@ -97,7 +99,7 @@ end
 
 ## Initialisation
 Program = File.basename $0
-Version = '0.4a'
+Version = '0.6'
 
 # Parse the command line options.
 # Determine the compile mode from the options.
@@ -166,12 +168,19 @@ Signal.trap("CLD") { puts "#{Program}: viewer exited, so will I!"; exit }
 
 # Add input file with dependancies to the watch list and start event loop.
 i = Inotify.new
-files.each do |file|
-  i.add_watch(file, Inotify::MODIFY)
+dirs = files.map { |file| File.dirname(file) }
+dirmap = {}
+dirs.each do |dir|
+  # Use a watch descriptor per directory and save it for later.
+  wd = i.add_watch(dir, Inotify::CLOSE_WRITE)
+  dirmap[wd] = dir
 end
 # Process the events, recompile and reload when necessary.
 i.each_event do |ev|
-  puts "I: file #{ev.name} modified, compiling #{infile}..."
-  compile(infile, mode)
-  reload(infile, mode)
+  # Only recompile if files are modified that we are interested in.
+  if files.include?(dirmap[ev.wd] + "/" + ev.name)
+    puts "I: file #{ev.name} modified, compiling #{infile}..."
+    compile(infile, mode)
+    reload(infile, mode)
+  end
 end