cp-st (copy setup-tuxhat & conf to /mnt/usr/bin)

#!/bin/bash -x
##################### Copy /opt folder to /mnt with progress
DIALOGRC=${DIALOGRC}
CONFIGFILE=/opt/setup/setup-tuxhat.conf
DIALOG=${DIALOG=dialog}

# config file for theme black and white
if [[ -f $CONFIGFILE ]]; then
  source $CONFIGFILE
else
  echo "Error missing file: setup-tuxhat.conf - Required by program"
  exit 1
fi
## Create an array of all files in /opt directory
DIRS=(/opt/setup/bin/setup-tuxhat/*)

#Destination directory
DEST="/mnt/usr/bin/"

# Create $DEST if does not exits
[ ! -d $DEST ] && mkdir -p $DEST

# Show a progress bar
# ---------------------------------
# Redirect dialog commands input using substitution
#
DIALOGRC="$DIALOGRC" $DIALOG  --title "Copy System files" --gauge "Copying files..." 10 75 < <(

# Get total number of files in array
   n=${#DIRS[*]};

   # set counter - it will increase every-time a file is copied to $DEST
   i=0

   #
   # Start the for loop
   #
   # read each file from $DIRS array
   # $f has filename
   for f in "${DIRS[@]}"
   do
      # calculate progress
      PCT=$(( 100*(++i)/n ))

      # update dialog box
cat <<EOF
XXX
$PCT
Copying file "$f"...
XXX
EOF
  # copy file $f to $DEST
  /bin/cp -ar $f ${DEST} &>/dev/null
   done
)