script optimization for UOS

INSTALL/tool/WebUos.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+LOGFILE=log.txt
+
+#delete the log.txt if it's more than 8MB
+if [ -f $LOGFILE ]; then
+    logsize=$(stat -c '%s' $LOGFILE)
+    if [ $logsize -gt 8388608 ]; then
+        rm -f $LOGFILE
+    fi
+fi
+
+
+if [ -f ./tool/$TOOLDIR/V2DServer.xz ]; then
+    xz -d ./tool/$TOOLDIR/V2DServer.xz
+    chmod +x ./tool/$TOOLDIR/V2DServer
+fi
+
+rm -rf ./*_VTMPDIR
+vtWebTmpDir=$(mktemp -d -p ./ --suffix=_VTMPDIR)
+
+V2DServer "$HOST" "$PORT" &
+V2DPid=$!
+sleep 1
+
+
+vtVer=$(cat ventoy/version)
+echo ""
+echo "=================================================="
+if [ "$LANG" = "zh_CN.UTF-8" ]; then
+    echo "  Ventoy Server $vtVer 已经启动 ..."
+else
+    echo "  Ventoy Server $vtVer is running ..."
+fi
+echo "=================================================="
+echo ""
+echo "########### Press Ctrl + C to exit ###############"
+echo ""
+
+
+uos-browser --window-size=550,400 --app="http://${HOST}:${PORT}/index.html?chrome-app"  --user-data-dir=$vtWebTmpDir >> $LOGFILE 2>&1
+
+[ -d /proc/$V2DPid ] && kill -2 $V2DPid
+[ -d $vtWebTmpDir ] && rm -rf $vtWebTmpDir
+
+if [ -n "$OLDDIR" ]; then 
+    CURDIR=$(pwd)
+    if [ "$CURDIR" != "$OLDDIR" ]; then
+        cd "$OLDDIR"
+    fi
+fi