clear screen on cancel

foo~bar@example.org will show "foo" in s3h and connect to
"bar@example.org"

s3h.sh

@@ -2,8 +2,8 @@
 
 # config
 DIALOG=dialog #gdialog kdialog
-START_DIR='~/.s3h'
-VERSION="1.4"
+START_DIR="$HOME/.s3h"
+VERSION="1.5"
 
 # TODO: use opt parsing
 if [[ $# -eq 1 && "$1" == "-v" ]]; then
@@ -15,6 +15,8 @@ if [[ $# -eq 1 && -d "$1" ]]; then
 	START_DIR="$1"
 fi
 
+START_DIR=`realpath "$START_DIR"`
+
 if [[ ! -d "$START_DIR" ]]; then
 	echo "start directory '$START_DIR' does not exist" >&2
 	echo -e "either create or set 'start directory' parameter\n" >&2
@@ -45,7 +47,13 @@ while [[ -z "$configFile" ]]; do
 	# add file selectors
 	files=`find $dir -mindepth 1 -maxdepth 1 ! -name '.*' -type f -printf "%f\n" |sort`
 	for d in $files; do
+		# text before ~ is tag
+		if [[ "$d" == *"~"* ]]; then
+			tag="${d%%~*}"
+			para+=("$d" "$tag")
+		else
 			para+=("$d" "$d")
+		fi
 	done
 
 	if [[ ${#para[@]} -eq 0 ]]; then
@@ -59,6 +67,7 @@ while [[ -z "$configFile" ]]; do
 	# run dialog
 	ret=$("$DIALOG" --no-tags --stdout --menu "select connection" 0 0 0 ${para[@]} 2>&1)
 	if [[ $? -ne 0 ]]; then
+		clear
 		exit 1
 	fi
 
@@ -95,7 +104,13 @@ if [[ -f "$configFile" ]]; then
 	# clear screen // remove dialog colors
 	echo "config file '$configFile' selected. connecting..."
 
+	# extract user@host if ~ in config file name
+	login=`basename "$configFile"`
+	if [[ "$login" == *"~"* ]]; then
+		login="${login#*~}"
+	fi
+
 	# execute ssh
-	echo "Running 'ssh ${para[@]} `basename \"$configFile\"`'"
-	ssh ${para[@]} `basename "$configFile"`
+	echo "Running 'ssh ${para[@]} $login'"
+	ssh ${para[@]} "$login"
 fi