REFACTOR: Refactored init_stream.sh

* Shortend Code in construct_streamer
* BUGFIX: Typo in shellcheck directive

Signed-off-by: Stephan Wendel <me@stephanwe.de>

libs/init_stream.sh

@@ -11,27 +11,28 @@
 #### This File is distributed under GPLv3
 ####
 
+# shellcheck enable=require-variable-braces
+
 # Exit upon Errors
 set -e
 
 ## Start Stream Service
 # sleep to prevent cpu cycle spikes
 function construct_streamer {
-    local stream_server cams
-    cams=($(configured_cams))
+    local stream_server
     log_msg "Try to start configured Cams / Services..."
-    for (( i=0; i<"${#cams[@]}"; i++ )); do
-        stream_server="$(get_param "cam ${cams[$i]}" streamer 2> /dev/null)"
+    for i in $(configured_cams); do
+        stream_server="$(get_param "cam ${i}" streamer 2> /dev/null)"
         if [ "${stream_server}" == "ustreamer" ]; then
-            run_ustreamer "${cams[$i]}" &
+            run_ustreamer "${i}" &
             sleep 8 & sleep_pid="$!"
             wait "${sleep_pid}"
         elif [ "${stream_server}" == "rtsp" ]; then
-            run_rtsp "${cams[$i]}" &
+            run_rtsp "${i}" &
             sleep 8 & sleep_pid="$!"
             wait "${sleep_pid}"
         else
-            log_msg "ERROR: Missing 'streamer' parameter in [cam ${cams[$i]}]. Skipping."
+            log_msg "ERROR: Missing 'streamer' parameter in [cam ${i}]. Skipping."
         fi
     done
     log_msg "... Done!"