Author: DuckSoft <realducksoft@gmail.com>

I just cannot stand such a dirty package. 
Let me do some optimisations.

If you are interested to improve this patch, welcome to mail me.

diff -ru old/tool/ventoy_lib.sh new/tool/ventoy_lib.sh
--- tool/ventoy_lib.sh	2021-03-06 14:54:04.163817366 +0100
+++ tool/ventoy_lib.sh	2021-03-06 14:56:07.053667242 +0100
@@ -29,7 +29,7 @@
 }
 
 vtdebug() {
-    echo "$*" >> ./log.txt
+    echo "$*" >>/var/log/ventoy.log
 }
 
 vtoy_gen_uuid() {
@@ -52,30 +52,6 @@
 
 check_tool_work_ok() {
     
-    if echo 1 | hexdump > /dev/null; then
-        vtdebug "hexdump test ok ..."
-    else
-        vtdebug "hexdump test fail ..."
-        ventoy_false
-        return
-    fi
-   
-    if mkexfatfs -V > /dev/null; then
-        vtdebug "mkexfatfs test ok ..."
-    else
-        vtdebug "mkexfatfs test fail ..."
-        ventoy_false
-        return
-    fi
-    
-    if vtoycli fat -T; then
-        vtdebug "vtoycli fat test ok ..."
-    else
-        vtdebug "vtoycli fat test fail ..."
-        ventoy_false
-        return
-    fi
-    
     vtdebug "tool check success ..."
     ventoy_true
 }
@@ -264,7 +240,7 @@
     else
     vtdebug "format disk by fdisk ..."
     
-fdisk $DISK >>./log.txt 2>&1 <<EOF
+fdisk $DISK >>/var/log/ventoy.log 2>&1 <<EOF
 o
 n
 p
diff -ru old/tool/VentoyWorker.sh new/tool/VentoyWorker.sh
--- tool/VentoyWorker.sh	2021-03-06 14:53:26.603866863 +0100
+++ tool/VentoyWorker.sh	2021-03-06 14:55:52.493675465 +0100
@@ -99,7 +99,7 @@
 if check_tool_work_ok; then
     vtdebug "check tool work ok"
 else
-    vterr "Some tools can not run on current system. Please check log.txt for details."
+    vterr "Some tools can not run on current system. Please check /var/log/ventoy.log for details."
     exit 1
 fi
 
diff -ru old/Ventoy2Disk.sh new/Ventoy2Disk.sh
--- Ventoy2Disk.sh	2021-03-06 14:52:52.703911700 +0100
+++ Ventoy2Disk.sh	2021-03-06 14:55:45.943684011 +0100
@@ -34,46 +34,4 @@
 echo '**********************************************'
 echo ''
 
-
-if ! [ -f ./boot/boot.img ]; then
-    if [ -d ./grub ]; then
-        echo "Don't run Ventoy2Disk.sh here, please download the released install package, and run the script in it."
-    else
-        echo "Please run under the correct directory!" 
-    fi
-    exit 1
-fi
-
-echo "############# Ventoy2Disk $* [$TOOLDIR] ################" >> ./log.txt
-date >> ./log.txt
-
-#decompress tool
-if [ -f ./tool/$TOOLDIR/ash ]; then
-    echo "no need to decompress tools" >> ./log.txt
-else
-    cd ./tool/$TOOLDIR
-    
-    [ -f ./xzcat ] && chmod +x ./xzcat
-    
-    for file in $(ls *.xz); do
-        xzcat $file > ${file%.xz}
-        [ -f ./${file%.xz} ] && chmod +x ./${file%.xz}
-        [ -f ./$file ] && rm -f ./$file
-    done
-    cd ../../
-    
-    chmod +x -R ./tool/$TOOLDIR
-fi
-
-if [ -f /bin/bash ]; then
-    /bin/bash ./tool/VentoyWorker.sh $*
-else
-    ash ./tool/VentoyWorker.sh $*
-fi
-
-if [ -n "$OLDDIR" ]; then 
-    CURDIR=$(pwd)
-    if [ "$CURDIR" != "$OLDDIR" ]; then
-        cd "$OLDDIR"
-    fi
-fi
+./tool/VentoyWorker.sh $*
diff -ru old/VentoyWeb.sh new/VentoyWeb.sh
--- VentoyWeb.sh	2021-03-06 14:54:25.383789486 +0100
+++ VentoyWeb.sh	2021-03-06 14:56:01.253668661 +0100
@@ -15,12 +15,6 @@
     echo ""
 }
 
-uid=$(id -u)
-if [ $uid -ne 0 ]; then
-    print_err "Please use sudo or run the script as root."
-    exit 1
-fi
-
 OLDDIR=$(pwd)
 
 if uname -m | egrep -q 'aarch64|arm64'; then
@@ -85,8 +79,8 @@
     exit 1
 fi
 
-LOGFILE=log.txt
-#delete the log.txt if it's more than 8MB
+LOGFILE=/var/log/ventoy.log
+#delete the ventoy.log if it's more than 8MB
 if [ -f $LOGFILE ]; then
     logsize=$(stat -c '%s' $LOGFILE)
     if [ $logsize -gt 8388608 ]; then