Fixed the trains script to handle canceled trains and wrote the help command.

shbrain.sh

@@ -15,7 +15,7 @@ do
 		if [ "$CMD" = "trains" ]; then
 			./shtrains.sh ${ARGS[*]}
 		elif [ "$CMD" = "help" ]; then
-			echo "Help"
+			./shhelp.sh $ARGS
 		else
 			echo "Use \"shcmd help\" to list available commands."
 		fi

shhelp.sh

@@ -0,0 +1,14 @@
+#!/bin/bash -ex
+
+case "$1" in
+	"help") echo "help <TOPIC> : Prints help about TOPIC."
+	;;
+	"trains") echo "trains [STATION] : Prints the next trains that will stop at Courbevoie's station."
+	echo "    When provided, only results that concerns STATION are advertised."
+	;;
+	*) echo "The following commands are available : help trains"
+	;;
+esac
+
+exit 0
+

shtrains.sh

@@ -9,6 +9,10 @@ do
 	read STATION || break
 	read UGUU || break
 	[[ $PATTERN =~ \ *[A-Z]{4}\ *(.*) ]] && PATTERN=${BASH_REMATCH[1]}
+	if [[ $UGUU =~ Supprime ]]; then
+		read UGUU || break
+		continue
+	fi
 	if [ -n "$*" ]; then
 		[[ $STATION =~ $@ ]] && echo "$PATTERN $STATION"
 	else