Run the command "shuf -i 0-99 -n 1" to generate a random number between 0 and 99, then use the command "xargs printf" to execute the command "curl -o file_%02g.zip http://www.example.com/files/file_%02u.zip\n" with the generated random number, which will download a file from the URL "http://www.example.com/files/file_%02u.zip" and save it as "file_%02g.zip".
shuf -i 0-99 -n 1 | xargs printf 'curl -o file_%02g.zip http://www.example.com/files/file_%02u.zip\n'