update README

README.md

@@ -8,16 +8,38 @@ Convert pcap (capture network) on yaml file to see communication between server
 
 ## Usage
 
-### Launch network capture
+### Install library
+
+```
+# Si python3 est par defaut
+pip install pypcapfile
 
-sudo tcpdump -i [networkd card] -w [Pcap output]
+# Sinon
+pip3 install pypcapfile
+```
 
-ex.: sudo tcpdump -i eth0 -w capture-2020-11-28-17-37-57.pcap
+### Launch network capture
+
+Commande:
+```
+sudo tcpdump  -i [networkd card] -w [Pcap output]
+```
+Exemple:
+```
+sudo tcpdump -i eth0 -w capture-2020-11-28-17-37-57.pcap
+```
 
 ### Extract information
+
+Commande:
+```
 python3 spykhanat.py -m [localization msg.xml] --yaml [Yaml Output file]  -w [localisation database.xml] -p [Pcap input] --filter-host-service='[Ip address: Port server khaganat]' --csv='[file output CSV {comma separator} - extract only normal message]'
+```
 
-Ex.: python3 spykhanat.py -m ~/khanat/khanat-opennel-code/code/ryzom/common/data_common/msg.xml --yaml capture-2020-11-28-17-37-57.yml  -w ~/khanat/khanat-opennel-code/code/ryzom/common/data_common/database.xml -p capture-2020-11-28-17-37-57.pcap --filter-host-service='127.0.0.1:47851' --csv capture-2020-11-28-17-37-57.csv
+Exemple:
+```
+python3 spykhanat.py -m ~/khanat/khanat-opennel-code/code/ryzom/common/data_common/msg.xml --yaml capture-2020-11-28-17-37-57.yml  -w ~/khanat/khanat-opennel-code/code/ryzom/common/data_common/database.xml -p capture-2020-11-28-17-37-57.pcap --filter-host-service='127.0.0.1:47851' --csv capture-2020-11-28-17-37-57.csv
+```
 
 ### Analyze result
 
@@ -39,5 +61,5 @@ Detail message format (ex.: <0:31> (Sint32) CurrentSendNumber => 42 : 0000000000
  * Format data (Signed/Unsigned Integer, String, Number of bit)
  * Function (type of value, function in khaganat)
  * Value : value in integer
- * Value in binary
+ * Value in est par defaut binary
  * Value convert for khaganat (sometimes is keyword)