.bash_functions

function bk() {
       if [[ -z $1 ]]; then
          echo "Please, enter a path to a file to create the backup file of!"
       else
          local __path=${1}
          local __timestamp=`date +'%Y%m%d%H%M'`
          local __backup_file="${__path}.${__timestamp}.bk"
          [[ -f "${__path}" ]] && cp "${__path}" "${__backup_file}"
          echo "File "$1" was backed up as ${__backup_file}"
       fi
}