twitterframe.sh

#!/bin/bash

TWFR_SCREEN=/dev/fb0
TWFR_USER=shibesbot
TWFR_ROTATE=180 # Comment this out if rotation is not necessary

# Grab the latest photo from timeline
twphotos -u $TWFR_USER -i -n 1 | grep "No new"
if [ $? == 0 ]; then
  echo "no new photo"

  exit 1
else
  echo "new photo!"

  # Switch over to the cache directory
  cd $TWFR_USER

  # Pick the latest photo from the cache
  TWFR_PHOTO=`find * -printf '%T+ %p\n' | sort -r | head -n 1 | awk '{print $2}'`

  # OPTIONAL: Rotate photo, if variable ROTATE is set
  if [ -v TWFR_ROTATE ]; then
    convert -rotate $TWFR_ROTATE $TWFR_PHOTO $TWFR_PHOTO
  fi

  # Display photo
  sudo fbi -T 2 -d $TWFR_SCREEN -noverbose -a $TWFR_PHOTO

  # Get rid of stale photos
  find * -type f -not -name $TWFR_PHOTO | xargs rm

  exit 0
fi