quick and dirty utility to export tumblr posts to disk. doesn't handle gifs.
go get github.com/alexsward/tumblr-export
go build
./tumblr-export -blog yourblog -key 1234 -output /path/to/files
all parameters are required
-blog string: tumblr blog name without tumblr.com - blogname.tumblr.com
-key string: API key for tumblr
-output string: output directory for the saved files