git.slaskete.net - einar-bin/blob - imgurgame.bash

   1 #!/bin/bash
   2 # Because why not? curl must be installed
   3
   4 readonly BROWSER="google-chrome"
   5
   6 # Create a random imgur url that may or may not be valid
   7 imgururl() {
   8   # 1/3 chance for length of 5, 6 or 7 length string
   9   STRLN=$((5 + ${RANDOM} % 3))
  10   local ID
  11   ID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${STRLN} | head -n 1)
  12   echo "http://i.imgur.com/${ID}.jpg"
  13 }
  14
  15 # Test if we found a valid URL
  16 testimgur() {
  17   local URL=${1}
  18   local RESULT
  19   RESULT=$(curl -s -o /dev/null -I -w "%{http_code}" ${URL})
  20   if [[ ${RESULT} == "200" ]]; then
  21     echo true
  22   else
  23     echo false
  24   fi
  25 }
  26
  27 main() {
  28   local FAIL=0
  29   while true; do
  30     local URL
  31     URL=$(imgururl)
  32     if [[ $(testimgur ${URL}) == "true" ]]; then
  33       echo "Found ${URL} after ${FAIL} failed tries"
  34       ${BROWSER} ${URL} > /dev/null 2>&1
  35       local FAIL=0
  36     else
  37       ((FAIL++))
  38     fi
  39   done
  40 }
  41
  42 main