#!/bin/sh
  
dialog \
--title "SELECT BLOCK SIZE" \
--menu "\n\
Smaller block size means less wasted space   \n\
		                 (and longer file reads). \n\
Larger  block size means more wasted space   \n\
    		                 (and faster file reads). \n\
Unix standard is to use 1024 bytes which is \n\
a good compromise between space and performance." \
18 65 3 \
"512"  "Better disk space utilization" \
"1024" "Standard for Unix systems" \
"2048" "Faster file access" \
2> /tmp/Fblock_size
    
BLOCK_SIZE="`cat /tmp/Fblock_size`"
rm -f /tmp/Fblock_size

if [ ! "$BLOCK_SIZE" = "2048" -a ! "$BLOCK_SIZE" = "1024" ]; then
   BLOCK_SIZE=512
fi
   
echo "BLOCK_SIZE:  $BLOCK_SIZE bytes."

   
