added comment for the script run_sender_receiver.sh

tests/run_sender_receiver.sh

@@ -4,6 +4,26 @@ GREEN='\033[0;32m'
 RED='\033[0;31m'
 NC='\033[0m'
 
+##################################################
+# General script (function) for running any test #
+##################################################
+
+# - Arguments: 
+#       $1: Sender executable file   (relative path from the directory where the Makefile is located)
+#       $2: Receiver executable file (relative path from the directory where the Makefile is located)
+#       $3: file used for the test   (relative path from the directory where the Makefile is located) + needs "/" at the end
+#       $4: subdirectory in the 'tests_logs/' where the log files are stored
+#       $5: must either be 'with_FEC' or 'without_FEC'
+#
+#       All of the following arguments are optionals (of they are not present, it run without the link simulator)
+#       $6:  ERROR_RATE
+#       $7:  CUT_RATE
+#       $8:  DELAY
+#       $9:  JITTER
+#       $10: LOSS_RATE
+#
+#       $11: (optional) a subsubdirectory of 'test_logs/' where the log files are stored
+
 sender=$1
 sender_name="${sender##*/}"
 receiver=$2
@@ -47,7 +67,8 @@ if [ -d "${DIR}" ]; then
 fi
 mkdir "${DIR}" 2>/dev/null
 
-echo -e "\nSimulation ${mode}"
+echo -e "\n[INFO] The resulting files are located in \"${DIR}\""
+echo -e "[MODE] ${mode}"
 
 # Checking if we're using the linksimulator or not
 if [ "$#" -gt 6 ]; then