diff --git a/zad8/Jenkinsfile b/zad8/Jenkinsfile
index db505ef..4f8e8b6 100644
--- a/zad8/Jenkinsfile
+++ b/zad8/Jenkinsfile
@@ -12,12 +12,19 @@ pipeline {
             }
         }
     }
+    stage('sh: Shell Script') {
+         steps {
+            sh 'chmod +x zad8.sh'
+            sh './zad8.sh
+         }
+      }
     stage('test_save') {
         steps {
             archiveArtifacts 'test/test.csv'
             archiveArtifacts 'test/dev.csv'
             archiveArtifacts 'test/train.csv'
             archiveArtifacts 'test/zadanie7.csv'
+            archiveArtifacts 'test/final.txt'
         }
     }
 }
diff --git a/zad8/zad8.sh b/zad8/zad8.sh
new file mode 100644
index 0000000..d3243be
--- /dev/null
+++ b/zad8/zad8.sh
@@ -0,0 +1,7 @@
+wc -l test.csv > file1.txt
+wc -l dev.csv > file2.txt
+wc -l train.csv > file3.txt
+
+cat file1.txt file2.txt > temp.txt
+cat file3.txt temp.txt > final.txt
+