name : monitor_dd_progress #!/bin/sh SRC_FILE_MB=$1 while true do DD_PID=`pidof dd` if [ -n "$DD_PID" ]; then break fi done while true do sleep 5 if [ ! -d /proc/$DD_PID ]; then break fi kill -s USR1 $DD_PID CURRENT_SIZE=`tail -n 1 /tmp/dd_progress_file | sed "s/[^0-9].*//g"` [ -n "$CURRENT_SIZE" ] && { CURRENT_MB=$(($CURRENT_SIZE / 1048576)) echo -e "Copied $CURRENT_MB MB / $SRC_FILE_MB MB\r" } done rm -f /tmp/dd_progress_file