panhaema

#!/bin/bash

# Usage:
# speedy.sh <filename> [<filesize>]

clear
OLDFILESIZE=`ls -al "$1" | awk '{print \$5}'`
sleep 2
while true; do
 FILESIZE=`ls -al "$1" | awk '{print \$5}'`
 let "DIFF = $FILESIZE - $OLDFILESIZE"
 let "SPEED = $DIFF / 2 / 1024"
  if [ $2 ]
        then
         let "ETA = (($2*1024*1024) - $FILESIZE )*2 / $DIFF"
         let "ETAM = $ETA/60"
         echo "Filesize: $2MB | Downloaded: $FILESIZE bytes"
         echo "$1 download speed = $SPEED Kb/s  | ETA: $ETA s - $ETAM m"
	 echo -n "Press any key to exit" 
	 if read -t 3 response 
           then exit 
	 fi
  else
    echo "Downloaded: $FILESIZE bytes"
    echo "$1 download speed = $SPEED Kb/s"
    echo -n "Press any key to exit" 
    if read -t 3 response 
      then exit 
    fi
  fi
    let "OLDFILESIZE = $FILESIZE"
   sleep 2
 clear
done