Subject: sorting of file-names w.r.t chapter number

Description:

- sorting
- added usage in ReadMe.md

1 files changed, 54 insertions, 1 deletions

diff --git a/ReadMe.md b/ReadMe.md
index 549eb83..ecff640 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -1,4 +1,57 @@
 # tbc-auto-checker
 ### Auto checker script for Scilab Textbook Companion.
 
-### Please visit [http://scilab.in/Textbook_Companion_Project](http://scilab.in/Textbook_Companion_Project) for more info.
+### Usage
+
+* Clone this repository 
+
+```bash
+git clone https://github.com/Scilab-India/tbc-auto-checker.git
+```
+
+* Change path to this directory
+
+```bash
+cd tbc-auto-checker
+```
+
+* Place ZIP file(s) of book(s) in this directory and run the script
+
+```bash
+bash auto.sh
+```
+
+### Output
+
+* The output log files and error log files will be generated
+separately.
+
+#### text output
+
+* Text output will be stored in `output_<book-name>.log` file.
+
+#### graph output
+
+* You have to set a variable `SCI_GRAPH_PATH` to a path where you want
+all the graphs to be stored.
+
+* Graphs with text output will be stored in
+  `output_graph_<book-name>.log` file
+  
+#### errors
+
+* **for text based errors**: `error_<book-name>.log`
+
+* **for graph based errors**: `error_graph_<book-name>.log`
+
+#### Warning
+
+* All output are first stored in a variable and then written to
+  respective files. You may run out of memory sometimes.
+
+#### Site
+
+Please visit
+[http://scilab.in/Textbook_Companion_Project](http://scilab.in/Textbook_Companion_Project)
+for more info.
+