Merge pull request #128 from sharpeeeeeeee/fix121

Fix #121 and also fix broken Markdown in README.md

Author: LaurensRietveld

README.md

@@ -41,17 +41,28 @@ Then, run:
 After building, these are the typical operations that you will perform:
 
 - Convert your RDF data to HDT:
-
+    
+    NB: the input stream is assumed to be valid RDF, so you should validate your data before feeding it into rdf2hdt.
+    
+    ```
     $ tools/rdf2hdt data/test.nt data/test.hdt
+    ```
+
+- Create only the index of an HDT file:
 
-NB: the input stream is assumed to be valid RDF, so you should validate your data before feeding it into rdf2hdt.
+    ```
+    $ tools/hdtSearch -q 0 data/test.hdt
+    ```
 
 - Convert an HDT to another RDF serialization format, such as N-Triples:
 
+    ```
     $ tools/hdt2rdf data/test.hdt data/test.hdtexport.nt
+    ```
 
 - Open a terminal to search triple patterns within an HDT file:
 
+    ```
     $ tools/hdtSearch data/test.hdt
     >> ? ? ?
     http://example.org/uri3 http://example.org/predicate3 http://example.org/uri4
@@ -72,14 +83,19 @@ NB: the input stream is assumed to be valid RDF, so you should validate your dat
     2 results shown.
 
     >> exit
+    ```
 
 - Extract the Header of an HDT file:
 
+    ```
     $ tools/hdtInfo data/test.hdt > header.nt
+    ```
 
 - Replace the Header of an HDT file with a new one. For example, by editing the existing one as extracted using `hdtInfo`:
 
+    ```
     $ tools/replaceHeader data/test.hdt data/testOutput.hdt newHeader.nt
+    ```
 
 ## Contributing