Baixa todos os tuítes de um usuário com timeline pública

download_tweets.sh

#!/bin/bash

if [ ! -d './downloaded_tweets' ]; then
    mkdir downloaded_tweets
    if [ ! -d './downloaded_tweets' ]; then
        echo "Can't create output dir." > /dev/stderr
        exit 1
    fi
fi
cd downloaded_tweets

while [ "$1" != "" ]; do
    tweets="`curl -s https://api.twitter.com/1/users/lookup.json?screen_name=$1`"
    tweets=`echo $tweets | sed -r -e 's!.*?"statuses_count":([0-9]+).*!\1!'`
    pages=$(( $tweets / 200 ))
    if [ $(( $tweets % 200 )) ]; then pages=$(( $pages + 1 )); fi
    i=1
    while [ $i -le $pages ]; do
        echo "Downloading from $1: Page $i of $pages"
        curl -s https://api.twitter.com/1/statuses/user_timeline.xml\?screen_name=$1\&count=200\&page=$i >> /tmp/tweets.xml
        i=$(( i + 1 ))
    done
    sed -r -i -e's/<\?xml version="1.0" encoding="UTF-8"\?>//' -e 's/<statuses type="array">//' -e 's!</statuses>!!' /tmp/tweets.xml
    echo '<?xml version="1.0" encoding="UTF-8"?>
    <statuses type="array">' > $1-tweets.xml
    cat /tmp/tweets.xml >> $1-tweets.xml
    echo '</statuses>' >> $1-tweets.xml
    rm /tmp/tweets.xml
    shift
done

Usage: $ ./download_tweets.sh twitter twitterapi anotheruser