diff --git a/.github/workflows/bld.yml b/.github/workflows/bld.yml
index 6966bcb..138f5e5 100644
--- a/.github/workflows/bld.yml
+++ b/.github/workflows/bld.yml
@@ -1,16 +1,14 @@
 name: bld-ci
 
-on: [ push, pull_request, workflow_dispatch ]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build-bld-project:
+    runs-on: ubuntu-latest
+
     strategy:
       matrix:
-        java-version: [ 17, 21, 24 ]
-        kotlin-version: [ 1.9.25, 2.0.21, 2.1.20 ]
-        os: [ ubuntu-latest, windows-latest, macos-latest ]
-
-    runs-on: ${{ matrix.os }}
+        java-version: [17, 21, 24]
 
     steps:
       - name: Checkout source repository
@@ -24,16 +22,8 @@ jobs:
           distribution: "zulu"
           java-version: ${{ matrix.java-version }}
 
-      - name: Download dependencies [examples]
-        working-directory: examples
-        run: ./bld download
-
-      - name: Compile and Run Checkstyle [examples]
-        working-directory: examples
-        run: ./bld compile checkstyle-custom
-
       - name: Download dependencies
         run: ./bld download
 
       - name: Run tests
-        run: ./bld compile test
\ No newline at end of file
+        run: ./bld compile test
diff --git a/examples/lib/bld/bld-wrapper.properties b/examples/lib/bld/bld-wrapper.properties
index 84fb734..715835e 100644
--- a/examples/lib/bld/bld-wrapper.properties
+++ b/examples/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.downloadLocation=
-bld.extension-checkstyle=com.uwyn.rife2:bld-checkstyle:1.0.14-SNAPSHOT
+bld.extension-checkstyle=com.uwyn.rife2:bld-checkstyle:1.0.13
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.sourceDirectories=
 bld.version=2.2.1
diff --git a/examples/src/bld/java/com/example/ExamplesBuild.java b/examples/src/bld/java/com/example/ExamplesBuild.java
index d49b966..ea28912 100644
--- a/examples/src/bld/java/com/example/ExamplesBuild.java
+++ b/examples/src/bld/java/com/example/ExamplesBuild.java
@@ -5,9 +5,6 @@ import rife.bld.BuildCommand;
 import rife.bld.extension.CheckstyleOperation;
 
 import java.util.List;
-import java.util.logging.ConsoleHandler;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 import static rife.bld.dependencies.Repository.MAVEN_CENTRAL;
 import static rife.bld.dependencies.Scope.*;
@@ -32,20 +29,10 @@ public class ExamplesBuild extends BaseProject {
     }
 
     public static void main(String[] args) {
-        // Enable detailed logging for the extensions
-        var level = Level.ALL;
-        var logger = Logger.getLogger("rife.bld.extension");
-        var consoleHandler = new ConsoleHandler();
-
-        consoleHandler.setLevel(level);
-        logger.addHandler(consoleHandler);
-        logger.setLevel(level);
-        logger.setUseParentHandlers(false);
-
         new ExamplesBuild().start(args);
     }
 
-    @BuildCommand(summary = "Check code style using Sun coding conventions")
+    @BuildCommand(summary = "Check code style")
     public void checkstyle() throws Exception {
         new CheckstyleOperation()
                 .fromProject(this)
@@ -53,11 +40,4 @@ public class ExamplesBuild extends BaseProject {
                 .execute();
     }
 
-    @BuildCommand(value = "checkstyle-custom", summary = "Check code style using custom coding conventions")
-    public void checkstyleCustom() throws Exception {
-        new CheckstyleOperation()
-                .fromProject(this)
-                .configurationFile("src/test/resources/checkstyle.xml")
-                .execute();
-    }
 }
diff --git a/examples/src/test/resources/checkstyle.xml b/examples/src/test/resources/checkstyle.xml
deleted file mode 100644
index e601ecb..0000000
--- a/examples/src/test/resources/checkstyle.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<!DOCTYPE module PUBLIC
-  "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
-  "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
-<module name="Checker">
-    <module name="TreeWalker">
-        <module name="AvoidStarImport">
-            <property name="severity" value="warning" />
-        </module>
-    </module>
-</module>
\ No newline at end of file
diff --git a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
index 90f78c6..c7cf95c 100644
--- a/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CheckstyleOperationBuild.java
@@ -23,7 +23,6 @@ import rife.bld.publish.PublishLicense;
 import rife.bld.publish.PublishScm;
 
 import java.util.List;
-import java.util.Locale;
 
 import static rife.bld.dependencies.Repository.*;
 import static rife.bld.dependencies.Scope.compile;
@@ -100,13 +99,10 @@ public class CheckstyleOperationBuild extends Project {
 
     @Override
     public void test() throws Exception {
-        var os = System.getProperty("os.name");
-        if (os != null && os.toLowerCase(Locale.US).contains("linux")) {
-            new ExecOperation()
-                    .fromProject(this)
-                    .command("scripts/cliargs.sh")
-                    .execute();
-        }
+        new ExecOperation()
+                .fromProject(this)
+                .command("scripts/cliargs.sh")
+                .execute();
         super.test();
     }
 }
diff --git a/src/main/java/rife/bld/extension/CheckstyleOperation.java b/src/main/java/rife/bld/extension/CheckstyleOperation.java
index 97eeb55..d9b7b52 100644
--- a/src/main/java/rife/bld/extension/CheckstyleOperation.java
+++ b/src/main/java/rife/bld/extension/CheckstyleOperation.java
@@ -235,9 +235,9 @@ public class CheckstyleOperation extends AbstractProcessOperation<CheckstyleOper
             args.add(javaTool());
 
             args.add("-cp");
-            args.add(String.format("%s%s%s%s%s%s%s", new File(project_.libTestDirectory(), "*"),
-                    File.pathSeparator, new File(project_.libCompileDirectory(), "*"), File.pathSeparator,
-                    project_.buildMainDirectory(), File.pathSeparator, project_.buildTestDirectory()));
+            args.add(String.format("%s:%s:%s:%s", new File(project_.libTestDirectory(), "*"),
+                    new File(project_.libCompileDirectory(), "*"), project_.buildMainDirectory(),
+                    project_.buildTestDirectory()));
             args.add("com.puppycrawl.tools.checkstyle.Main");
 
             options_.forEach((k, v) -> {
@@ -250,8 +250,7 @@ public class CheckstyleOperation extends AbstractProcessOperation<CheckstyleOper
             if (!exclude_.isEmpty()) {
                 for (var e : exclude_) {
                     if (e.exists()) {
-                        args.add("-e");
-                        args.add(e.getAbsolutePath());
+                        args.add("-e " + e.getAbsolutePath());
                     }
                 }
             }
@@ -259,8 +258,7 @@ public class CheckstyleOperation extends AbstractProcessOperation<CheckstyleOper
             if (!excludeRegex_.isEmpty()) {
                 for (var e : excludeRegex_) {
                     if (isNotBlank(e)) {
-                        args.add("-x");
-                        args.add(e);
+                        args.add("-x " + e);
                     }
                 }
             }
diff --git a/src/test/java/rife/bld/extension/CheckstyleOperationTest.java b/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
index 0d0e1b2..b6f05c3 100644
--- a/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
+++ b/src/test/java/rife/bld/extension/CheckstyleOperationTest.java
@@ -19,8 +19,6 @@ package rife.bld.extension;
 import org.assertj.core.api.AutoCloseableSoftAssertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.condition.EnabledOnOs;
-import org.junit.jupiter.api.condition.OS;
 import rife.bld.BaseProject;
 import rife.bld.Project;
 import rife.bld.WebProject;
@@ -67,7 +65,6 @@ class CheckstyleOperationTest {
     }
 
     @Test
-    @EnabledOnOs(OS.LINUX)
     void checkAllParameters() throws IOException {
         var args = Files.readAllLines(Paths.get("src", "test", "resources", "checkstyle-args.txt"));
 
@@ -128,27 +125,27 @@ class CheckstyleOperationTest {
         var e = "-e ";
 
         var op = new CheckstyleOperation().fromProject(new Project()).exclude(SRC_MAIN_JAVA, SRC_TEST_JAVA);
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("String...")
+        assertThat(op.executeConstructProcessCommandList()).as("String...")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
 
         op = new CheckstyleOperation().fromProject(new Project()).excludeStrings(List.of(SRC_MAIN_JAVA, SRC_TEST_JAVA));
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("List(String...)")
+        assertThat(op.executeConstructProcessCommandList()).as("List(String...)")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
 
         op = new CheckstyleOperation().fromProject(new Project()).exclude(foo, bar);
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("File...")
+        assertThat(op.executeConstructProcessCommandList()).as("File...")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
 
         op = new CheckstyleOperation().fromProject(new Project()).exclude(List.of(foo, bar));
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("List(File...)")
+        assertThat(op.executeConstructProcessCommandList()).as("List(File...)")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
 
         op = new CheckstyleOperation().fromProject(new Project()).exclude(foo.toPath(), bar.toPath());
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("Path...")
+        assertThat(op.executeConstructProcessCommandList()).as("Path...")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
 
         op = new CheckstyleOperation().fromProject(new Project()).excludePaths(List.of(foo.toPath(), bar.toPath()));
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("List(Path...)")
+        assertThat(op.executeConstructProcessCommandList()).as("List(Path...)")
                 .contains(e + foo.getAbsolutePath()).contains(e + bar.getAbsolutePath());
     }
 
@@ -156,10 +153,10 @@ class CheckstyleOperationTest {
     void excludeRegex() {
         var op = new CheckstyleOperation().fromProject(new Project()).excludeRegex(FOO, BAR);
         var x = "-x ";
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).contains(x + FOO, x + BAR);
+        assertThat(op.executeConstructProcessCommandList()).contains(x + FOO, x + BAR);
 
         op = new CheckstyleOperation().fromProject(new Project()).excludeRegex(List.of(FOO, BAR));
-        assertThat(String.join(" ", op.executeConstructProcessCommandList())).as("as list").contains(x + FOO, x + BAR);
+        assertThat(op.executeConstructProcessCommandList()).as("as list").contains(x + FOO, x + BAR);
     }
 
     @Test