Added update wrappers and preflight check shell scripts.

examples/examples.sh

@@ -1,17 +1,30 @@
 #!/bin/bash
 
 if [ $# -eq 0 ]; then
-    echo "Usage: $0 <arg> [...]"
+    echo "Usage: $0 <arg ...>"
     exit 1
 fi
 
+# set the examples directories
+declare -a examples=(
+    "java"
+    "kotlin"
+    "annotation-processor/java"
+    "annotation-processor/kotlin")
+
 dir=$(dirname "$(readlink -f "$0")")
-color=$(tput setaf 6)
+cyan=$(tput setaf 6)
 normal=$(tput sgr0)
 
-for ex in "java" "kotlin" "annotation-processor/java" "annotation-processor/kotlin"; do
+i=0
+for ex in "${examples[@]}"; do
+    if [ $i -ne 0 ]
+    then
+        read -p "Press [Enter] key to continue..."
+        clear
+    fi
     cd "$dir/$ex" || exit 1
-    echo "> Project: ${color}${ex}${normal}"
-    ./gradlew clean "$@" --console=plain --no-build-cache || exit 1
-    echo
+    echo "> Project: ${cyan}${ex}${normal}"
+    ./gradlew --console=plain --no-build-cache clean "$@" || exit 1
+    (( i++ ))
 done