Mac-only bash function to push a personalized datestamp into the paste buffer.

pds.sh

function pds {
  local user_name=$(dscl . read /Users/$(whoami) RealName | grep -v RealName | \
    cut -c 2- | sed -E 's/ ([^ ])[^ ]*$/ \1/')
  echo "[$user_name, $(date +%F)]" | pbcopy
}