1 files changed, 26 insertions, 0 deletions
diff --git a/lib/nlp_ruby/misc.rb b/lib/nlp_ruby/misc.rb
index 9a4064f..1fa3878 100644
--- a/lib/nlp_ruby/misc.rb
+++ b/lib/nlp_ruby/misc.rb
@@ -2,5 +2,31 @@ class Array
   def max_index
     self.index(self.max)
   end
+
+  def is_subset_of? other
+    self.each { |i|
+      if other.include? i
+       return false
+      end
+    }
+    return true
+  end
+end
+
+def spawn_with_timeout cmd, t=4, debug=false
+  require 'timeout'
+  STDERR.write cmd+"\n" if debug
+  pipe_in, pipe_out = IO.pipe
+  pid = Process.spawn(cmd, :out => pipe_out)
+  begin
+    Timeout.timeout(t) { Process.wait pid }
+  rescue Timeout::Error
+    return ""
+    # accept the zombies
+    #Process.kill('TERM', pid)
+  end
+  pipe_out.close
+  return pipe_in.read
 end
 
+