Added read config

SendUpdateCommand.sh

@@ -1,17 +1,32 @@
-
-
 #!/bin/bash
 
-pipe=/tmp/testpipe
+fifo=""
 
-if [[ ! -p $pipe ]]; then
-    echo "Reader not running"
+read_config() {
+    fifo_dir=$(cat "$1" | jq -r .fifo_dir)
+    if [ -z "$fifo_dir" ]; then
+        return 1 
+    fi
+
+    fifo=$(cat "$1" | jq -r .fifo)
+    if [ -z "$fifo" ]; then 
+        return 1
+    fi
+    
+    fifo="${fifo_dir}/$fifo"
+    return 0
+}
+
+if [ $# -ne 1 ] ; then
+    echo "Usage: $0 filename"  
     exit 1 
-fi
-
-
-if [[ "$1" ]]; then
-    echo "$1" >$pipe
 else
-    echo "Hello from $$" >$pipe
+    if read_config "$1" ; then
+        if [[ ! -p $fifo ]]; then
+            echo "Reader not running on $fifo"
+            exit 1
+        fi
+        echo "update" >$fifo
+        exit 0
+    fi
 fi