Curl Imgur for valid URLs using random string from /dev/urandom

curl_imgur.sh

# Get the string from /dev/urandom (from ~/bin/get_rand)
#!/bin/zsh
# The -c flag for head indicates the amount of bytes I want to see returned.
# In this case this correlates to the amount of characters I want returned.
function random {
  export rand=$(
    LC_CTYPE=C tr -dc a-zA-Z0-9 < /dev/urandom | head -c 7| xargs
  )
}
random
echo $rand

# Curl in a loop
# | head -n 1 ensures that I only see the status of the page (i.e., 404, 200)
for i in {1..100}; do rand=$(eval "get_rand"); echo "\n"$rand; curl -Is http://imgur.com/"$rand" | head -n 1; done