diff --git a/src/fr/imag/forge/Scidetect/Checker/Reader.java b/src/fr/imag/forge/Scidetect/Checker/Reader.java
index 5edf143bc27e1d05a374aef4bad88b0a8f1d3b50..7ddaac0f8b91c910fe62c059aaec577e9c5a6263 100644
--- a/src/fr/imag/forge/Scidetect/Checker/Reader.java
+++ b/src/fr/imag/forge/Scidetect/Checker/Reader.java
@@ -69,7 +69,7 @@ public class Reader {
         for (int j = 0; j < listOfFile.length; j++) {
             if (listOfFile[j].isDirectory()) {
                 readsamples(listOfFile[j].getPath());
-            } else if (listOfFile[j].getName().endsWith(".pdf")) {
+            } else if (listOfFile[j].getName().endsWith(".pdf") || listOfFile[j].getName().endsWith(".txt") && !listOfFile[j].getName().startsWith("INDEX-")) {
                 // find if there is already index for it
                 String indexname = "INDEX-"
                         + listOfFile[j].getName().substring(0,
@@ -78,7 +78,7 @@ public class Reader {
                 if (Arrays.asList(listOfFile).toString().contains(indexname)) {
                     // System.out.println("lets read from index file");
                     readindexfile(listOfFile[j].getParent() + "/" + indexname);
-                } else {
+                } else if (listOfFile[j].getName().endsWith(".pdf")) {
                     pdfextractor a = new pdfextractor();
                     String content = a.pdfextract(listOfFile[j]);
                     Indexer b = new Indexer();