chore: Project structure

src/gpl

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# TODO Build the jar if it does not exist
+# TODO Check if Java is installed.
+
+# Determine the operating system
+OS="$(uname)"
+
+# Set the path to the JAR file
+JAR_PATH='build/libs/2025LogProg-project-GhentProlog-0.1-SNAPSHOT.jar'
+
+# Check if Java is installed
+if ! command -v java &> /dev/null; then
+    printf 'Error: Java is not installed. Please install Java to run this program.\n'
+    printf '       Visit https://www.java.com/en/download/ for more information.\n'
+    exit 1
+fi
+
+# Check if the JAR file exists
+if [ ! -f "${JAR_PATH}" ]; then
+    printf 'Info: JAR file not found at "%s"\n' "${JAR_PATH}"
+    printf 'Info: Building the project...\n'
+    ./gradlew build
+    if [ "${?}" -ne 0 ]; then
+        printf 'Error: Build failed\n'
+        exit 1
+    fi
+fi
+
+# Run the Java command based on the operating system
+if [[ "${OS}" == 'Linux' || "${OS}" == 'Darwin' ]]; then
+    # Unix-based systems (Linux, macOS)
+    java -jar "${JAR_PATH}" "$@"
+elif [[ "${OS}" == *"NT"* ]]; then
+    # Windows
+    java -jar "${JAR_PATH}" "$@"
+else
+    printf 'Error: Unsupported operating system: "%s"\n' "${OS}"
+    exit 1
+fi
+