Update 'Jenkinsfile'

Jenkinsfile

@@ -12,6 +12,12 @@ node {
                  defaultValue: '',
                  description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
                  name: 'KAGGLE_KEY'
+             ),
+             string(
+                 defaultValue: '7999',
+                 description: 'Cut off value',
+                 name: 'CUT',
+                 trim: false
              )
          ])
      ])
@@ -25,8 +31,7 @@ node {
               "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
          sh 'kaggle datasets download -d mssmartypants/water-quality > output.txt'
          sh 'unzip -o water-quality.zip >> output.txt'
-         sh 'readarray -t lines < waterQuality1.csv'
-         sh 'shuf -e "${lines[@]}" | head -n 30 > temp.csv'
+         sh 'head -n ${params.CUT} waterQuality1.csv > temp.csv'
          sh 'mv temp.csv waterQuality1.csv'
          sh 'python3 create_dataset.py >> output.txt'
          archiveArtifacts artifacts: 'waterQuality.csv, output.txt'