fix error and change stats script

Jenkinsfile

@@ -42,7 +42,7 @@ pipeline {
         }
         stage('Artifacts') {
             steps {
-                def artifactsList = ['hp_train.csv', 'hp_dev.csv', 'hp_test.csv'']
+                def artifactsList = ['hp_train.csv', 'hp_dev.csv', 'hp_test.csv']
                 artifactsList.each { artifact ->
                     archiveArtifacts artifacts: artifact
                 }

JenkinsfileStats

@@ -31,7 +31,10 @@ pipeline {
         }
         stage('Artifacts') {
             steps {
-                archiveArtifacts artifacts: 'stats.txt'
+                def artifactsList = ['hp_train_stats.csv', 'hp_dev_stats.csv', 'hp_test_stats.csv'']
+                artifactsList.each { artifact ->
+                    archiveArtifacts artifacts: artifact
+                }
             }
         }
     }

data_stats.sh

@@ -1,2 +1,4 @@
 #!/bin/bash
-wc -l processed_data.txt > stats.txt
+wc -l hp_train.csv > hp_train_stats.csv
+wc -l hp_dev.csv > hp_dev_stats.csv
+wc -l hp_test.csv > hp_test_stats.csv