Download all booths from a dailybooth user

dailyboothdl.sh

# replace USERNAMEHERE with the username of the user whose booths you'd like to copy (there are 4 instances you need to find/replace

echo "" > out.csv
CUR_PAGE=1

while true; do
  curl --silent "http://dailybooth.com/USERNAMEHERE/quilt/page/$CUR_PAGE" > page.html
  if ! grep "div><a href=\"/USERNAMEHERE/" page.html > /dev/null; then
    echo "Done"
    break
  else
    echo "Page $CUR_PAGE"
    for id in `perl -n -e '/\/USERNAMEHERE\/(\d+).*?\// && print "$1\n"' page.html`; do
      echo "  $id"
      echo -en $id >> out.csv
      echo -en "\t" >> out.csv

      curl --silent "http://dailybooth.com/USERNAMEHERE/$id" > details.html

      cat details.html | perl -0777 -ne 'print "$1" while /<p class="when">\n {8}(.*?)\n {6}<\/p><p class="views">/gs' >> out.csv
      echo -en "\t" >> out.csv

      cat details.html | perl -0777 -ne 'print "$1" if /(http:\/\/cdn\d.dailybooth.com\/\d\/pictures\/large\/.*?)\"/' >> out.csv
      echo -en "\t" >> out.csv

      cat details.html | perl -0777 -ne 'print "$1" while /id="blurb">\n {4}(.*?)\n/gs' >> out.csv
      echo -en "\t" >> out.csv

      echo -en "\n" >> out.csv
    done
  
    CUR_PAGE=$(($CUR_PAGE+1))
  fi
done

I'm new, but how do I use this?