diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..63d2f1a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,36 @@
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
diff --git a/installAndRun.sh b/installAndRun.sh
index 9a2f217..5195c82 100755
--- a/installAndRun.sh
+++ b/installAndRun.sh
@@ -1,39 +1,54 @@
 cd "${0%/*}" || (echo "Could not chdir to this script's dir!" && exit)  # Change the working directory to the script's directory, when running from other location.
 
-cd libs || exit
-git clone https://github.com/LSmyrnaios/PublicationsRetriever.git # We assume there is no previously source-code here, if so, it will be overwritten.
+justInstall=0
 
-# Do not need to perform a string-replace in "build.gradle", since it automatically gets all ".jar" files.
-
-# Keep a backup of the existing JAR file.
-mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar
-
-cd PublicationsRetriever && mvn clean install
-
-# Copy the created JAR file to the top libs directory.
-cp target/publications_retriever-1.0-SNAPSHOT.jar ../publications_retriever-1.0-SNAPSHOT.jar
-
-# Delete the directory with the source-code.
-cd ../ && rm -rf PublicationsRetriever
-
-# Clean and (re)build and run the project.
-cd ../
-echo -e "\nAsking for sudo, in order to verify the installation of 'gradle'..\n"
+if [[ $# -eq 1 ]]; then
+	justInstall=$1
+elif [[ $# -gt 1 ]]; then
+	echo -e "Wrong number of arguments given: ${#}\nPlease execute it like: script.sh <justInstall: 0 | 1>";	exit 1
+fi
 
 gradleVersion="7.2"
 
-wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip
+if [[ justInstall -eq 0 ]]; then
 
-sudo mkdir /opt/gradle
-sudo unzip -d /opt/gradle gradle-${gradleVersion}-bin.zip
-ls /opt/gradle/gradle-${gradleVersion}
+  cd libs || exit
+  git clone https://github.com/LSmyrnaios/PublicationsRetriever.git # We assume there is no previously source-code here, if so, it will be overwritten.
 
-export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin
-gradle wrapper --gradle-version=${gradleVersion} --distribution-type=bin
+  # Do not need to perform a string-replace in "build.gradle", since it automatically gets all ".jar" files.
 
-#gradle tasks  # For debugging installation
-#gradle -v # For debugging installation
+  # Keep a backup of the existing JAR file.
+  mv ./publications_retriever-1.0-SNAPSHOT.jar ./publications_retriever-1.0-SNAPSHOT_BACKUP.jar
+
+  cd PublicationsRetriever && mvn clean install
+
+  # Copy the created JAR file to the top libs directory.
+  cp target/publications_retriever-1.0-SNAPSHOT.jar ../publications_retriever-1.0-SNAPSHOT.jar
+
+  # Delete the directory with the source-code.
+  cd ../ && rm -rf PublicationsRetriever
+
+  # Clean and (re)build and run the project.
+  cd ../
+  echo -e "\nAsking for sudo, in order to verify the installation of 'gradle'..\n"
+
+  wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip
+
+  sudo mkdir /opt/gradle
+  sudo unzip -d /opt/gradle gradle-${gradleVersion}-bin.zip
+  #ls /opt/gradle/gradle-${gradleVersion}  # For debugging installation
+
+  export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin
+
+  gradle wrapper --gradle-version=${gradleVersion} --distribution-type=bin
+
+  #gradle tasks  # For debugging installation
+  #gradle -v # For debugging installation
+
+  gradle clean
+  gradle build
+else
+  export PATH=$PATH:/opt/gradle/gradle-${gradleVersion}/bin # Make sure the gradle is still accessible (it usually isn't without the "export").
+fi
 
-gradle clean
-gradle build
 gradle bootRun
diff --git a/src/main/java/eu/openaire/urls_worker/plugins/PublicationsRetrieverPlugin.java b/src/main/java/eu/openaire/urls_worker/plugins/PublicationsRetrieverPlugin.java
index 1cb809e..e956ebb 100644
--- a/src/main/java/eu/openaire/urls_worker/plugins/PublicationsRetrieverPlugin.java
+++ b/src/main/java/eu/openaire/urls_worker/plugins/PublicationsRetrieverPlugin.java
@@ -152,6 +152,7 @@ public class PublicationsRetrieverPlugin {
                     for ( DataToBeLogged data_2 : FileUtils.dataToBeLoggedList ) {
                         if ( data_2.getUrlId().equals(previousId) && data_2.getWasDocumentOrDatasetAccessible().equals("true") ) {
                             fileLocation = data_2.getComment();
+                            mimeType = "application/pdf";
                             break;
                         }
                     }