A script to remove all the screenshots in ~/Pictures/ directory

screenshot-eraser.sh

#!/usr/bin/bash
# A script to remove all the screenshots in ~/Pictures/ directory

if [[ `ls ~/Pictures/ | grep "Screenshot\ from" | wc -l` -gt 0 ]]; then
  before_size=`du -shb ~/Pictures | cut -f1`
  echo "`rm -v ~/Pictures/Screenshot\ from*.png | wc -l` screenshots deleted!"
  after_size=`du -shb ~/Pictures | cut -f1`
  let "res=($before_size-$after_size)/1024"

  # TODO: Show how much data was cleared dependently on it's size (KB, MB, GB, etc.)
  echo "Cleared ${res}KB"
else
  echo "There are no screenshots in ~/Pictures/ directory"
fi

exit $?