1 files changed, 4 insertions, 37 deletions
diff --git a/lib/nlp_ruby/stringutil.rb b/lib/nlp_ruby/stringutil.rb
index d7381bb..aa9be00 100644
--- a/lib/nlp_ruby/stringutil.rb
+++ b/lib/nlp_ruby/stringutil.rb
@@ -1,17 +1,7 @@
-# whitespace 'tokenizer'
 def tokenize s
   s.strip.split
 end
 
-def splitpipe s, n=3
-  s.strip.split("|"*n)
-end
-
-def downcase? s
-  s[/[[:lower:]]/]
-end
-
-# iterator over n-grams
 def ngrams(s, n, fix=false)
   a = tokenize s
   a.each_with_index { |tok, i|
@@ -22,34 +12,11 @@ def ngrams(s, n, fix=false)
   }
 end
 
-# a=1.0 b=2.0 => { 'a' => 1.0, 'b' => 2.0 }
-def read_feature_string s
-  map = SparseVector.new
-  tokenize(s).each { |i|
-    key, value = i.split '='
-    map[key] = value.to_f
-  }
-  return map
-end
-
-
-def read_cfg fn
-  f = ReadFile.new fn
-  cfg = {}
-  while line = f.gets
-    line.strip!
-    next if /^\s*$/.match line
-    next if line[0]=='#'
-    content = line.split('#', 2).first
-    k, v = content.split(/\s*=\s*/, 2)
-    k.strip!; v.strip!
-    cfg[k] = v
-  end
-  return cfg
-end
-
 def bag_of_words s, stopwords=[]
   s.strip.split.uniq.sort.reject{ |w| stopwords.include? w }
-end 
+end
 
+def splitpipe s, n=3
+  s.strip.split("|"*n)
+end