diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 0201c4d..07f8f2d 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -9,4 +9,6 @@ repositories {
 dependencies {
   implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.10")
   implementation("org.jetbrains.kotlin:kotlin-serialization:1.8.10")
+
+  implementation("gradle.plugin.com.github.johnrengelman:shadow:7.1.2")
 }
diff --git a/buildSrc/src/main/kotlin/dough_sample.gradle.kts b/buildSrc/src/main/kotlin/dough_sample.gradle.kts
index f458511..7747352 100644
--- a/buildSrc/src/main/kotlin/dough_sample.gradle.kts
+++ b/buildSrc/src/main/kotlin/dough_sample.gradle.kts
@@ -1,3 +1,34 @@
+import org.jetbrains.kotlin.gradle.targets.jvm.KotlinJvmTarget
+
 plugins {
   id("dough_base")
 }
+
+val jvmMain = kotlin.targets.getByName<KotlinJvmTarget>("jvm").compilations.getByName("main")
+
+tasks {
+  val sampleJar = register<Jar>("sampleJar") {
+    group = "application"
+
+    manifest {
+      attributes["Main-Class"] = "MainKt"
+    }
+
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+
+    archiveBaseName.set("${project.name}-sample")
+    from(jvmMain.output.classesDirs, jvmMain.compileDependencyFiles.map {
+      if (it.isDirectory) it else zipTree(it)
+    })
+  }
+
+  register<JavaExec>("runSample") {
+    group = "application"
+
+    mainClass.set("MainKt")
+    classpath = jvmMain.output.classesDirs
+    classpath += jvmMain.compileDependencyFiles
+  }
+
+  assemble.get().dependsOn(sampleJar)
+}
diff --git a/samples/fs-walk/build.gradle.kts b/samples/fs-walk/build.gradle.kts
index 1a2828f..76ce41e 100644
--- a/samples/fs-walk/build.gradle.kts
+++ b/samples/fs-walk/build.gradle.kts
@@ -10,4 +10,4 @@ kotlin {
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/tools/ensure-new-lines.sh b/tools/ensure-new-lines.sh
new file mode 100755
index 0000000..c4f13ea
--- /dev/null
+++ b/tools/ensure-new-lines.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -e
+
+git ls-files -z | while IFS= read -rd '' f
+do
+  if file --mime-encoding "$f" | grep -qv binary
+  then
+    tail -c1 < "$f" | read -r _ || echo >> "$f"
+  fi
+done