improved usage description (issue http://code.google.com/p/tesseract-…

…ocr/issues/detail?id=356) git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@463 d0cd1f9f-072b-0410-8dd7-cf729c803f20
allen8807 · Sep 27, 2010 · fd07d93 · fd07d93
1 parent 68baf25
commit fd07d93
Showing 1 changed file with 14 additions and 8 deletions.
diff --git a/training/combine_tessdata.cpp b/training/combine_tessdata.cpp
@@ -119,14 +119,20 @@ int main(int argc, char **argv) {
     tm.End();
   } else {
     printf("Usage for combining tessdata components:\n"
-           "%s language_data_path_prefix (e.g. tessdata/eng.)\n", argv[0]);
-    printf("Usage for extracting tessdata components:\n"
-           "%s -e traineddata_file [output_component_file...]\n", argv[0]);
-    printf("Usage for overwriting tessdata components:\n"
-           "%s -o traineddata_file [input_component_file...]\n", argv[0]);
-    printf("Usage for unpacking all tessdata components:\n"
-           "%s -u traineddata_file output_path_prefix"
-           " (e.g. /tmp/eng.)\n", argv[0]);
+           "  %s language_data_path_prefix\n"
+           "  (e.g. %s tessdata/my_lang.)\n"
+           "  Warning: Do not forget dot at the end of language_data_path_prefix!\n", argv[0], argv[0]);
+    printf("\nUsage for extracting tessdata components:\n"
+           "  %s -e traineddata_file output_component_file\n"
+           "  (e.g. %s -e tessdata/eng.traineddata eng.unicharambigs)\n", argv[0], argv[0]);
+    printf("\nUsage for overwriting tessdata components:\n"
+           "  %s -o traineddata_file input_component_file\n"
+           "  (e.g. %s -o tessdata/eng.traineddata eng.config)\n"
+           "  Warning: (input_)component_file must already exists in traineddata_file!\n", argv[0], argv[0]);
+    printf("\nUsage for unpacking all tessdata components:\n"
+           "  %s -u traineddata_file output_path_prefix\n"
+           "  (e.g. %s -u tessdata/eng.traineddata /tmp/eng.)\n"
+           "  Warning: Do not forget dot at the end of output_path_prefix!\n", argv[0], argv[0]);
     return 1;
   }
 }