Fix minor complaints from shellcheck

diff --git a/imgurgame.bash b/imgurgame.bash
index 88af62077db5e9cb981aa236deb9045c08f8e85f..ef098412d8497224838be38ba1f697a814d7d67d 100755 (executable)
--- a/imgurgame.bash
+++ b/imgurgame.bash
@@ -7,14 +7,16 @@ readonly BROWSER="google-chrome"
 imgururl() {
   # 1/3 chance for length of 5, 6 or 7 length string
   STRLN=$((5 + ${RANDOM} % 3))
 imgururl() {
   # 1/3 chance for length of 5, 6 or 7 length string
   STRLN=$((5 + ${RANDOM} % 3))

-  local ID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${STRLN} | head -n 1)
+  local ID
+  ID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${STRLN} | head -n 1)

   echo "http://i.imgur.com/${ID}.jpg"
 }
 
 # Test if we found a valid URL
 testimgur() {
   local URL=${1}
   echo "http://i.imgur.com/${ID}.jpg"
 }
 
 # Test if we found a valid URL
 testimgur() {
   local URL=${1}

-  local RESULT=$(curl -s -o /dev/null -I -w "%{http_code}" ${URL})
+  local RESULT
+  RESULT=$(curl -s -o /dev/null -I -w "%{http_code}" ${URL})

   if [[ ${RESULT} == "200" ]]; then
     echo true
   else
   if [[ ${RESULT} == "200" ]]; then
     echo true
   else


@@ -25,7 +27,8 @@ testimgur() {
 main() {
   local FAIL=0
   while true; do
 main() {
   local FAIL=0
   while true; do

-    local URL=$(imgururl)
+    local URL
+    URL=$(imgururl)

     if [[ $(testimgur ${URL}) == "true" ]]; then
       echo "Found ${URL} after ${FAIL} failed tries"
       ${BROWSER} ${URL} > /dev/null 2>&1
     if [[ $(testimgur ${URL}) == "true" ]]; then
       echo "Found ${URL} after ${FAIL} failed tries"
       ${BROWSER} ${URL} > /dev/null 2>&1