image resize.jl

# resize images to 256x256 using packages
#   identify -format "(%w,%h)" n12552309_5.JPEG
#   mogrify -resize 256x256! n12552309_10.JPEG

imgsize(img) = eval(parse(readstring(`identify -format "(%w,%h)" $img`)))
resize(img) = run(`mogrify -resize 256x256! $img`)

for folder in filter(x->isdir(x), readdir())
    println("\n>$folder")
    for img in filter(x->isfile("$folder/$x") && length(x)>5 && lowercase(x[end-4:end]) == ".jpeg", readdir(folder))
        if imgsize("$folder/$img") != (256,256)
            resize("$folder/$img")
            print(".")
        end
    end
end