Bash script to generate MY_UUID for Pebble app and copy it into clipboard.

.bashrc

# Pebble UUID generator
function pebble_uuid {
  uuid_string=`uuidgen | sed "s/-//g"`
  uuid="#define MY_UUID {"
  for i in {0..15}; do
    if [ $i -ne 0 ]; then
      uuid="$uuid,"
    fi
    uuid="$uuid 0x${uuid_string:$[i*2]:2}"
  done
  uuid="$uuid }"
  echo $uuid
  echo $uuid | pbcopy
}