cpbar: cp with a progress bar

cpbar

#!/bin/sh

# cpbar: cp with a progress bar

MAXCOLS=80
SLEEP=.5

if [ "$#" -ne 2 ]; then
  echo "Usage: $(basename $0) <SOURCE> <DEST>" >&2
  exit 1
fi

SRC="$1"
DST="$2"

SIZE=$(du -s "${SRC}" | cut -f1)

cp -R "${SRC}" "${DST}" &
PID_CP=$!

print_progress ()
{
  COPIED=$(du -s "${DST}" | cut -f1)
  PERC=$(echo "(100 * ${COPIED}) / ${SIZE}" | bc)
  COLS=$(tput cols)
  COLS=$((${COLS}<${MAXCOLS}?${COLS}:${MAXCOLS}))
  FILL=$(echo "(${COPIED} * (${COLS} - 7)) / ${SIZE}" | bc)
  EMPTY=$(echo "${COLS} - 7 - ${FILL}" | bc)
  echo -ne '\r'
  echo -n '['
  for i in $(seq ${FILL}); do
    echo -n '#'
  done
  for i in $(seq ${EMPTY}); do
    echo -n '·'
  done
  echo -n ']'
  printf ' %3d%%' ${PERC}
}

while kill -0 ${PID_CP} >/dev/null 2>&1; do
  sleep ${SLEEP}
  print_progress
done

echo ''

Just drop it wherever in your PATH and make it executable.