Queries Flickr for the last upload by the given user

last_flickr.sh

#!/bin/bash

####
# last_flickr.sh
#
# Queries Flickr's APIs for the last upload by the given user.
# (Only tested on OSX)
##

function usage {
  echo "Usage:"
  echo "last_flickr <api key> <username>"
  exit 1
}

if [ -z $1 ] || [ -z $2 ]; then
  usage
fi
API_KEY=$1
USERNAME=$2

####
# Make call to find NSID for username
##

METHOD=flickr.people.findByUsername
URL="https://api.flickr.com/services/rest/?method=$METHOD&api_key=$API_KEY&username=$2"
wget -O user.html $URL --output-file user.log
NSID=`grep nsid=\".*\" user.html --only-match | grep \".*\" --only-match  | sed s/\"//g`


####
# Find most recent photo
##

METHOD=flickr.people.getPublicPhotos
URL="https://api.flickr.com/services/rest/?method=$METHOD&api_key=$API_KEY&user_id=$NSID&per_page=1&page=1&extras=date_upload"
wget -O photos.html $URL --output-file photos.log
DATE_UPLOAD=`grep dateupload=\"[0-9]*\" photos.html --only-matching | grep [0-9][0-9]* --only-matching`
READABLE_DATE=`date -r $DATE_UPLOAD`

echo "Last photo was uploaded to Flickr $READABLE_DATE"

exit 0