add: value sourcing

.env

@@ -0,0 +1,4 @@
+# Virtual machine settings
+RAM="512M"
+CPU="1"
+DISK_SIZE="8G"

shemum

@@ -15,21 +15,20 @@
 # Default: ON
 #:exec 1> >(logger -s -t $(basename $0)) 2>&1
 
-# Virtual machine settings
-RAM="512M"
-CPU="1"
-DISK_SIZE="8G"
-
 # Arguments
 OPTION=$1
 OS_NAME=$2
-#DISK_SIZE=$3
 
 # Defining paths
 ROOT_PATH="$HOME/Machines"
 ISO_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.iso"
 IMG_PATH="$ROOT_PATH/$OS_NAME/$OS_NAME.img"
 
+# Sources defualt values
+. ".env"
+
+# Sources virtual machine specific values
+. "$ROOT_PATH/$OS_NAME/.env"
 
 # Defines install image repository.
 case $OS_NAME in
@@ -78,11 +77,15 @@ case $OPTION in
                        -drive file=$IMG_PATH,format=raw \
                        -m $RAM -smp $CPU
   ;;
+  "remove")
+    rm -r $ROOT_PATH/$OS_NAME
+  ;;
   *)
     echo "Usage: shemum [init] <virtual machine name> <disk size>"
     echo " init        initialize a virtual machine"
     echo " start       start a QEMU virtual machine without console output"
     echo " console     start a QEMU virtual machine with console output"
+    echo " remove      remove virtual machine directory and all it's contents"
 esac