Improve all.sh script

all.sh

@@ -1,23 +1,47 @@
 #!/bin/sh
 
+
+log() {
+  # Echo the timestamp followed by the original message
+  echo "[$(date "+%Y-%m-%dT%H:%M:%S%z")][all] - $1"
+}
+# Function to execute the script
 execute_script() {
     script_path="https://elastic.github.io/kibana-demo-data/scripts/$1.sh"
-    curl "$script_path" | sh &
+    curl -fsSL "$script_path" | sh
 }
 
+# Function to search for a string in the array of arguments
+search_string_in_args() {
+    search=$1
+    shift
+    for arg in "$@"; do
+        if [ "$arg" = "$search" ]; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+# available scripts
 scripts="custom o11y sample security makelogs"
 
 if [ $# -eq 0 ]; then
+    # execute all scripts
+    log "Executing all scripts"
     for script in $scripts; do
         execute_script "$script"
     done
 else
+    # execute scripts based on arguments
     for script in $scripts; do
+
         if search_string_in_args "$script" "$@"; then
+            log "Executing $script"
             execute_script "$script"
         fi
     done
 fi
 
-wait
+ log "Finished execution"