Download national geographic wallpaper archive

national_geographic_wallpaper_archive_download.sh

#!/bin/bash

root=http://ngm.nationalgeographic.com/wallpaper/img/

year_number=07
months_letters=(jan feb march april may june july aug sept oct nov dec)
for month in {1..12}
do
    month_letters=${months_letters[month - 1]}
    for index in {1..20}
    do
        index_two_digits=`printf %02d $index`
        wget ${root}20${year_number}/${month_letters}${year_number}-${index_two_digits}-1600.jpg || \
        wget ${root}20${year_number}/${month_letters}${year_number}-${index_two_digits}-1280.jpg || \
        wget ${root}20${year_number}/${month_letters}${year_number}-${index_two_digits}-1024.jpg
    done
done

year_number=08
months_letters=(jan feb mar apr may june july Aug sep oct nov dec)
for month in {1..3}
do
    month_letters=${months_letters[month - 1]}
    for index in {1..25}
    do
        index_two_digits=`printf %02d $index`
        wget ${root}20${year_number}/${month_letters}${year_number}-${index_two_digits}-1600.jpg || \
        wget ${root}20${year_number}/${month_letters}${year_number}-${index_two_digits}-1280.jpg 
    done
done

for month in {4..12}
do
    month_letters=${months_letters[month - 1]}
    month_two_digits=`printf %02d $month`
    for index in {1..25}
    do
        index_two_digits=`printf %02d $index`
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}-${index_two_digits}-1600.jpg || \
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}-${index_two_digits}-1280.jpg 
    done
done

year_number=09
months_letters=(jan feb mar apr may june jul aug sept oct nov dec)
for month in {1..12}
do
    month_letters=${months_letters[month - 1]}
    month_two_digits=`printf %02d $month`
    for index in {1..25}
    do
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1600.jpg || \
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1280.jpg 
    done
done

year_number=10
months_letters=(jan feb mar apr may jun jul aug sept oct nov dec)
for month in {1..12}
do
    month_letters=${months_letters[month - 1]}
    month_two_digits=`printf %02d $month`
    for index in {1..25}
    do
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1600.jpg || \
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1280.jpg 
    done
done

year_number=11
months_letters=(jan feb mar apr may june july aug sept oct nov dec)
for month in {1..9}
do
    month_letters=${months_letters[month - 1]}
    month_two_digits=`printf %02d $month`
    for index in {1..25}
    do
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1600.jpg || \
        wget ${root}20${year_number}/$month_two_digits/${month_letters}${year_number}wallpaper-${index}_1280.jpg 
    done
done