From 7270d1cb4e2cd005db4249a1c00d60ba7b79e8e2 Mon Sep 17 00:00:00 2001
From: Ivan Olexyn <ivan@olexyn.com>
Date: Sat, 10 Aug 2019 05:32:04 +0200
Subject: [PATCH] Add PDF split feature. + Add UI candy. + Make sub-packages. +
 Add PDF split feature.   - fileCut.sh   - routines.RetrieveSubFies.java   -
 update to Tools.java + Add a logo/icon.

---
 mucc-logo.png                                 | Bin 0 -> 19228 bytes
 src/app/Controller.java                       | 130 ++++++--
 src/app/Tools.java                            |  33 +-
 src/app/layout.fxml                           | 293 ++++++++++--------
 .../DeleteDuplicates.java}                    |  41 +--
 src/app/routines/FilePool.java                |  49 +++
 src/app/routines/RetrieveSubFiles.java        | 114 +++++++
 src/app/shell/fileCut.sh                      |  23 ++
 src/app/shell/pipe.sh                         |   6 +
 src/app/shell/pipe2.sh                        |   7 +
 src/app/{ => shell}/toFile.sh                 |   0
 11 files changed, 503 insertions(+), 193 deletions(-)
 create mode 100644 mucc-logo.png
 rename src/app/{Routines.java => routines/DeleteDuplicates.java} (57%)
 create mode 100644 src/app/routines/FilePool.java
 create mode 100644 src/app/routines/RetrieveSubFiles.java
 create mode 100755 src/app/shell/fileCut.sh
 create mode 100755 src/app/shell/pipe.sh
 create mode 100755 src/app/shell/pipe2.sh
 rename src/app/{ => shell}/toFile.sh (100%)

diff --git a/mucc-logo.png b/mucc-logo.png
new file mode 100644
index 0000000000000000000000000000000000000000..fd8ffd50f780253d9c4c08222f3f4d4c78680717
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HcmV?d00001

diff --git a/src/app/Controller.java b/src/app/Controller.java
index 47dedf3..1b8bda6 100644
--- a/src/app/Controller.java
+++ b/src/app/Controller.java
@@ -1,13 +1,15 @@
 package app;
 
+import app.routines.DeleteDuplicates;
+import app.routines.FilePool;
+import app.routines.RetrieveSubFiles;
 import javafx.concurrent.Task;
 import javafx.fxml.FXML;
-import javafx.scene.Node;
 import javafx.scene.control.*;
+import javafx.scene.paint.Color;
 import javafx.scene.text.Text;
 
 
-import java.awt.event.ActionEvent;
 import java.io.File;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -23,9 +25,14 @@ import javafx.stage.Window;
  */
 public class Controller {
 
-    Map<Integer, MFile> doubles;
+    private Map<Integer, MFile> doubles;
+    private Map<Integer, File> dupblicate_base_pool;
+    private Map<Integer, File> pdf_base_pool;
 
 
+    // Delete Duplicates
+    // ----------------------------------------------------------------------------------------------------------------
+
     @FXML
     protected Text loadDirState;
 
@@ -42,17 +49,16 @@ public class Controller {
     protected Text delDuplicateState;
 
     @FXML
-    protected Text fileNr;
+    protected Text fileNrCount;
 
     @FXML
-    protected Text doubleNr;
+    protected Text doubleNrCount;
 
     @FXML
     protected TextField directoryField;
 
-
     @FXML
-    protected void openDir(){
+    protected void openDir() {
         Window stage = loadDirState.getScene().getWindow();
 
 
@@ -60,58 +66,58 @@ public class Controller {
         directoryChooser.setTitle("Select Directory.");
         directoryChooser.setInitialDirectory(new File(System.getProperty("user.home")));
 
-        TextArea textArea = new TextArea();
-        textArea.setMinHeight(70);
-
         File dir = directoryChooser.showDialog(stage);
-        if (dir != null){
+        if (dir != null) {
             directoryField.setText(dir.getAbsolutePath());
-        }else{
-            //textArea.setText(null);
         }
     }
 
-
     @FXML
-    protected void loadDir() {
+    protected void loadDuplicateDir() {
 
         Task<Void> loadDirTask = new Task<Void>() {
             @Override
             public Void call() {
 
-                loadDirState.setText("");
-                calcMd5State.setText("");
-                sortFileState.setText("");
-                findDuplicateState.setText("");
-                delDuplicateState.setText("");
-                fileNr.setText("Number of Files:");
-                doubleNr.setText("Number of Duplicates:");
+                loadDirState.setText("__");
+                calcMd5State.setText("__");
+                sortFileState.setText("__");
+                findDuplicateState.setText("__");
+                delDuplicateState.setText("__");
+                fileNrCount.setText("__");
+                doubleNrCount.setText("__");
+
 
 
                 Path path = Paths.get(directoryField.getText());
 
                 if (!Files.isDirectory(path)) {
+                    loadDirState.setFill(Color.RED);
                     loadDirState.setText("ERROR.");
 
                 } else {
 
-                    Map<Integer, File> pool = new Routines().loadPool(directoryField.getText(), "file");
+                    Map<Integer, File> pool = new FilePool().loadPool(directoryField.getText(), "file");
                     new Write().textPool("pool", pool);
+                    loadDirState.setFill(Color.GREEN);
                     loadDirState.setText("OK.");
-                    fileNr.setText("Number of Files:  " + pool.size());
+                    fileNrCount.setText("" + pool.size());
 
-                    Map<Integer, MFile> md5Pool = new Routines().md5Pool(pool);
+                    Map<Integer, MFile> md5Pool = new DeleteDuplicates().md5Pool(pool);
                     new Write().textMd5Pool("md5Pool", md5Pool);
+                    calcMd5State.setFill(Color.GREEN);
                     calcMd5State.setText("OK.");
 
                     Map<Integer, MFile> qsMd5Pool = new QuicksortMd5().quicksortMd5(md5Pool);
                     new Write().textMd5Pool("qsMd5Pool", qsMd5Pool);
+                    sortFileState.setFill(Color.GREEN);
                     sortFileState.setText("OK.");
 
-                    doubles = new Routines().doubles(qsMd5Pool);
+                    doubles = new DeleteDuplicates().doubles(qsMd5Pool);
                     new Write().textMd5Pool("doubles", doubles);
+                    findDuplicateState.setFill(Color.GREEN);
                     findDuplicateState.setText("OK.");
-                    doubleNr.setText("Number of Duplicates:  " + doubles.size());
+                    doubleNrCount.setText("" + doubles.size());
 
                 }
                 return null;
@@ -120,17 +126,18 @@ public class Controller {
         new Thread(loadDirTask).start();
     }
 
+
     @FXML
     protected void deleteDuplicates() {
 
         Task<Void> delDuplicateTask = new Task<Void>() {
             @Override
-            public Void call()  {
+            public Void call() {
 
                 for (int i = 0; i < doubles.size(); i++) {
                     new Execute().execute(new String[]{"rm", doubles.get(i).file.getAbsolutePath()});
-
                 }
+                delDuplicateState.setFill(Color.GREEN);
                 delDuplicateState.setText("OK.");
                 return null;
             }
@@ -138,5 +145,70 @@ public class Controller {
         new Thread(delDuplicateTask).start();
     }
 
+    @FXML
+    protected void loadBaseFiles() {
+    }
+
+
+    // Retrieve Sub-Files
+    // ----------------------------------------------------------------------------------------------------------------
+
+    @FXML
+    protected Text loadPdfState;
+
+    @FXML
+    protected Text splitPdfState;
+
+    @FXML
+    protected Text baseFileCount;
+
+    @FXML
+    protected Text subFileCount;
+
+    @FXML
+    protected void loadBaseDir() {
+        Task<Void> loadDirTask = new Task<Void>() {
+            @Override
+            public Void call() {
+
+                loadPdfState.setText("__");
+                splitPdfState.setText("__");
+                baseFileCount.setText("__");
+                subFileCount.setText("__");
+
+                Path path = Paths.get(directoryField.getText());
+
+                if (!Files.isDirectory(path)) {
+                    loadPdfState.setFill(Color.RED);
+                    loadPdfState.setText("ERROR.");
+                } else {
+
+                    pdf_base_pool = new FilePool().loadPool(directoryField.getText(), "file");
+                    loadPdfState.setFill(Color.GREEN);
+                    loadPdfState.setText("OK.");
+                    baseFileCount.setText("" + pdf_base_pool.size());
+                }
+                return null;
+            }
+        };
+        new Thread(loadDirTask).start();
+    }
+
+    @FXML
+    protected void splitPdf() {
+
+        Task<Void> splitPdfTask = new Task<Void>() {
+            @Override
+            public Void call() {
+
+                int list_size = new RetrieveSubFiles().pdf_method(pdf_base_pool);
+                splitPdfState.setFill(Color.GREEN);
+                splitPdfState.setText("OK.");
+                subFileCount.setText("" + list_size);
+                return null;
+            }
+        };
+        new Thread(splitPdfTask).start();
+    }
 
 }
diff --git a/src/app/Tools.java b/src/app/Tools.java
index bde8c67..32e085b 100644
--- a/src/app/Tools.java
+++ b/src/app/Tools.java
@@ -2,8 +2,10 @@ package app;
 
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
-class Tools {
+public class Tools {
 
     private final Execute x;
 
@@ -27,4 +29,33 @@ class Tools {
         }
         return md5;
     }
+
+
+       public String brToString(BufferedReader br) {
+        StringBuilder sb = new StringBuilder();
+        Object[] br_array = br.lines().toArray();
+        for (int i = 0; i < br_array.length; i++) {
+            sb.append(br_array[i].toString() + "\n");
+        }
+        return sb.toString();
+    }
+
+    /**
+     *
+     * @param input input String
+     * @param regex pattern String
+     * @return matches for pattern, separated by \n
+     */
+    public String matchRegEx(String input, String regex){
+
+        Pattern pattern = Pattern.compile(regex);
+            Matcher m = pattern.matcher(input);
+            StringBuilder sb = new StringBuilder();
+            while (m.find()){
+                //
+                sb.append(m.group()+"\n");
+            }
+
+        return sb.toString();
+    }
 }
diff --git a/src/app/layout.fxml b/src/app/layout.fxml
index 81708b1..c4d85ae 100644
--- a/src/app/layout.fxml
+++ b/src/app/layout.fxml
@@ -9,132 +9,169 @@
 <?import javafx.scene.text.*?>
 
 <AnchorPane xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="app.Controller">
-    <children>
-        <ScrollPane prefHeight="442.0" prefWidth="439.0" AnchorPane.bottomAnchor="-342.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="-339.0" AnchorPane.topAnchor="0.0">
-            <content>
-                <GridPane fx:id="outerGridPane" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
-                    <columnConstraints>
-                        <ColumnConstraints />
-                        <ColumnConstraints />
-                    </columnConstraints>
-                    <rowConstraints>
-                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                        <RowConstraints minHeight="10.0" vgrow="SOMETIMES" />
-                    </rowConstraints>
-                    <children>
-                        <TabPane fx:id="tabPane" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" GridPane.columnSpan="2" GridPane.hgrow="ALWAYS" GridPane.rowIndex="1" GridPane.vgrow="ALWAYS">
-                            <tabs>
-                                <Tab text="Scan Disk Image">
-                           <content>
-                              <GridPane>
-                                <columnConstraints>
-                                  <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-                                  <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-                                </columnConstraints>
-                                <rowConstraints>
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                </rowConstraints>
-                                 <children>
-                                    <Label text="Not Implemented Yet." GridPane.columnSpan="2" />
-                                 </children>
-                              </GridPane>
-                           </content>
-                                </Tab>
-                                <Tab text="Retreive Sub-Files">
-                           <content>
-                              <GridPane>
-                                <columnConstraints>
-                                  <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-                                  <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-                                </columnConstraints>
-                                <rowConstraints>
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                  <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                                </rowConstraints>
-                                 <children>
-                                    <Label text="Not Implemented Yet." GridPane.columnSpan="2" />
-                                 </children>
-                              </GridPane>
-                           </content>
-                                </Tab>
-                                <Tab text="Delete Duplicates">
-                                    <content>
-                                        <GridPane alignment="center" hgap="10" vgap="10">
-                                            <padding>
-                                                <Insets bottom="10" left="25" right="25" top="25" />
-                                            </padding>
-                                            <children>
-
-                                                <Text text="Task" GridPane.rowIndex="1" />
-
-
-                                                <Text text="State" GridPane.columnIndex="1" GridPane.rowIndex="1" />
-
-                                                <Text text="Load Directory." GridPane.rowIndex="2" />
-
-                                                <Text fx:id="loadDirState" GridPane.columnIndex="1" GridPane.rowIndex="2" />
-
-                                                <Text text="Calculate Md5." GridPane.rowIndex="3" />
-
-                                                <Text fx:id="calcMd5State" GridPane.columnIndex="1" GridPane.rowIndex="3" />
-
-                                                <Text text="Sort Files." GridPane.rowIndex="4" />
-
-                                                <Text fx:id="sortFileState" GridPane.columnIndex="1" GridPane.rowIndex="4" />
-
-                                                <Text text="Find Duplicates." GridPane.rowIndex="5" />
-
-                                                <Text fx:id="findDuplicateState" GridPane.columnIndex="1" GridPane.rowIndex="5" />
-
-                                                <Text text="Delete Duplicates." GridPane.rowIndex="6" />
-
-                                                <Text fx:id="delDuplicateState" GridPane.columnIndex="1" GridPane.rowIndex="6" />
-
-
-                                                <Button onAction="#loadDir" text="Load" GridPane.columnIndex="1" GridPane.rowIndex="8" />
-
-
-                                                <Text fx:id="fileNr" text="Number of Files:" GridPane.rowIndex="9" />
-
-                                                <Text fx:id="doubleNr" text="Number of Duplicates:" GridPane.rowIndex="10" />
-
-
-                                                <Button onAction="#deleteDuplicates" text="Delete" GridPane.columnIndex="1" GridPane.rowIndex="10" />
-                                            </children>
-                                            <columnConstraints>
-                                                <ColumnConstraints />
-                                                <ColumnConstraints />
-                                            </columnConstraints>
-                                            <rowConstraints>
-                                                <RowConstraints minHeight="10.0" prefHeight="30.0" />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints minHeight="10.0" prefHeight="30.0" />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                                <RowConstraints />
-                                            </rowConstraints>
-
-
-                                        </GridPane>
-                                    </content>
-                                </Tab>
-                            </tabs>
-                        </TabPane>
-
-
-                        <TextField fx:id="directoryField" text="Select Directory." />
-                        <Button onAction="#openDir" text="Open..." GridPane.columnIndex="1" />
-                    </children>
-                </GridPane>
-            </content>
-        </ScrollPane>
-    </children>
+  <children>
+    <ScrollPane prefHeight="442.0" prefWidth="439.0" AnchorPane.bottomAnchor="-342.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="-339.0" AnchorPane.topAnchor="0.0">
+      <content>
+        <GridPane fx:id="outerGridPane" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+          <columnConstraints>
+            <ColumnConstraints hgrow="ALWAYS" />
+            <ColumnConstraints />
+          </columnConstraints>
+          <rowConstraints>
+            <RowConstraints maxHeight="40.0" minHeight="40.0" prefHeight="40.0" vgrow="SOMETIMES" />
+            <RowConstraints minHeight="10.0" vgrow="SOMETIMES" />
+          </rowConstraints>
+          <children>
+            <TabPane fx:id="tabPane" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" GridPane.columnSpan="2" GridPane.hgrow="ALWAYS" GridPane.rowIndex="1" GridPane.vgrow="ALWAYS">
+              <tabs>
+                <Tab text="Scan Disk Image">
+                  <content>
+                    <GridPane hgap="10.0" vgap="10.0">
+                      <columnConstraints>
+                        <ColumnConstraints hgrow="ALWAYS" minWidth="10.0" prefWidth="100.0" />
+                        <ColumnConstraints hgrow="NEVER" minWidth="10.0" prefWidth="100.0" />
+                      </columnConstraints>
+                      <rowConstraints>
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="ALWAYS" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="ALWAYS" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="ALWAYS" />
+                      </rowConstraints>
+                      <children>
+                        <Label text="Not Implemented Yet." GridPane.columnSpan="2" GridPane.rowIndex="1" />
+                      </children>
+                      <padding>
+                        <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+                      </padding>
+                    </GridPane>
+                  </content>
+                </Tab>
+                <Tab text="Retreive Sub-Files">
+                  <content>
+                    <GridPane hgap="10.0" vgap="10.0">
+                      <columnConstraints>
+                        <ColumnConstraints hgrow="ALWAYS" />
+                        <ColumnConstraints hgrow="NEVER" maxWidth="80.0" minWidth="80.0" prefWidth="80.0" />
+                      </columnConstraints>
+                      <rowConstraints>
+                                    <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints maxHeight="20.0" minHeight="20.0" prefHeight="20.0" vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints maxHeight="20.0" minHeight="20.0" prefHeight="20.0" vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                      </rowConstraints>
+                      <children>
+                        <Text text="Load PDF Files." GridPane.columnIndex="0" GridPane.rowIndex="1" />
+                        <Text fx:id="loadPdfState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="1" />
+                        <Text text="Split PDF Files." GridPane.columnIndex="0" GridPane.rowIndex="2" />
+                        <Text fx:id="splitPdfState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="2" />
+                        <Text text="Number fo Files:" GridPane.columnIndex="0" GridPane.rowIndex="4" />
+                        <Text fx:id="baseFileCount" text="__" GridPane.columnIndex="1" GridPane.rowIndex="4" />
+                        <Text text="Number of PDF Sub-Files:" GridPane.columnIndex="0" GridPane.rowIndex="5" />
+                        <Text fx:id="subFileCount" text="__" GridPane.columnIndex="1" GridPane.rowIndex="5" />
+                        <Button onAction="#loadBaseDir" text="Load" GridPane.columnIndex="0" GridPane.halignment="RIGHT" GridPane.rowIndex="7" />
+                        <Button onAction="#splitPdf" text="Split" GridPane.columnIndex="1" GridPane.rowIndex="7" />
+                                    <Text text="Task">
+                                       <font>
+                                          <Font name="System Bold" size="13.0" />
+                                       </font>
+                                    </Text>
+                                    <Text text="State" GridPane.columnIndex="1">
+                                       <font>
+                                          <Font name="System Bold" size="13.0" />
+                                       </font>
+                                    </Text>
+                      </children>
+                      <padding>
+                        <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
+                      </padding>
+                    </GridPane>
+                  </content>
+                </Tab>
+                <Tab text="Delete Duplicates">
+                  <content>
+                    <GridPane alignment="center" hgap="10" vgap="10">
+                      <padding>
+                        <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
+                      </padding>
+                      <children>
+
+                        <Text text="Task">
+                          <font>
+                            <Font name="System Bold" size="13.0" />
+                          </font>
+                        </Text>
+
+
+                        <Text text="State" GridPane.columnIndex="1">
+                          <font>
+                            <Font name="System Bold" size="13.0" />
+                          </font>
+                        </Text>
+
+                        <Text text="Load Directory." GridPane.rowIndex="1" />
+
+                        <Text fx:id="loadDirState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="1" />
+
+                        <Text text="Calculate Md5." GridPane.rowIndex="2" />
+
+                        <Text fx:id="calcMd5State" text="__" GridPane.columnIndex="1" GridPane.rowIndex="2" />
+
+                        <Text text="Sort Files." GridPane.rowIndex="3" />
+                        <Text fx:id="sortFileState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="3" />
+                        <Text text="Find Duplicates." GridPane.rowIndex="4" />
+                        <Text fx:id="findDuplicateState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="4" />
+                        <Text text="Delete Duplicates." GridPane.rowIndex="5" />
+                        <Text fx:id="delDuplicateState" text="__" GridPane.columnIndex="1" GridPane.rowIndex="5" />
+                        <Button onAction="#loadDuplicateDir" text="Load" GridPane.halignment="RIGHT" GridPane.rowIndex="10" />
+                        <Text text="Number of Files:" GridPane.rowIndex="7" />
+                        <Text text="Number of Duplicates:" GridPane.rowIndex="8" />
+                        <Button onAction="#deleteDuplicates" text="Delete" GridPane.columnIndex="1" GridPane.rowIndex="10" />
+                        <Text fx:id="fileNrCount" strokeType="OUTSIDE" strokeWidth="0.0" text="__" GridPane.columnIndex="1" GridPane.rowIndex="7" />
+                        <Text fx:id="doubleNrCount" strokeType="OUTSIDE" strokeWidth="0.0" text="__" GridPane.columnIndex="1" GridPane.rowIndex="8" />
+                      </children>
+                      <columnConstraints>
+                        <ColumnConstraints hgrow="ALWAYS" />
+                        <ColumnConstraints hgrow="NEVER" maxWidth="80.0" minWidth="80.0" prefWidth="80.0" />
+                      </columnConstraints>
+                      <rowConstraints>
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                                    <RowConstraints minHeight="20.0" prefHeight="20.0" vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints minHeight="20.0" prefHeight="20.0" vgrow="NEVER" />
+                        <RowConstraints vgrow="NEVER" />
+                        <RowConstraints vgrow="ALWAYS" />
+                      </rowConstraints>
+
+
+                    </GridPane>
+                  </content>
+                </Tab>
+              </tabs>
+            </TabPane>
+
+
+            <TextField fx:id="directoryField" text="Select Directory.">
+              <GridPane.margin>
+                <Insets bottom="20.0" left="20.0" top="20.0" />
+              </GridPane.margin>
+            </TextField>
+            <Button onAction="#openDir" text="Open..." GridPane.columnIndex="1">
+              <GridPane.margin>
+                <Insets right="20.0" />
+              </GridPane.margin>
+            </Button>
+          </children>
+        </GridPane>
+      </content>
+    </ScrollPane>
+  </children>
 </AnchorPane>
diff --git a/src/app/Routines.java b/src/app/routines/DeleteDuplicates.java
similarity index 57%
rename from src/app/Routines.java
rename to src/app/routines/DeleteDuplicates.java
index 77a2c50..77fdc83 100644
--- a/src/app/Routines.java
+++ b/src/app/routines/DeleteDuplicates.java
@@ -1,4 +1,4 @@
-package app;
+package app.routines;
 
 import java.io.File;
 import java.io.IOException;
@@ -8,50 +8,21 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import app.Artifacts;
 import app.Artifacts.MFile;
+import app.Execute;
 
-class Routines {
+public class DeleteDuplicates {
 
     private final Execute x;
 
 
-    public Routines() {
+    public DeleteDuplicates() {
         this.x = new Execute();
     }
 
 
-    /**
-     * [1] Write output of <b>find srcdir</b> to <b>/tmp/find</b> .<br>
-     * [2] Read <b>/tmp/find</b> into <b>List< String /></b> .<br>
-     * [3] Add <b>List< String /></b> entries to <b>Map>String,File></b> , where
-     * <b>String</b> is an <b>int</b> key. <br>
-     *
-     * @param srcdir <i>String</i>
-     * @param type   <i>String</i>  "file" OR "dir" , pick what type will be loaded.
-     * @return filepool
-     */
-    public Map<Integer, File> loadPool(String srcdir, String type) {
-        // [1]
-        x.execute(new String[]{System.getProperty("user.dir") + "/src/app/toFile.sh", "find", srcdir, "/tmp/find"});
-        // [2]
-        List<String> lines = null;
-        try {
-            lines = Files.readAllLines(Paths.get("/tmp/find"));
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        // [3]
-        Map<Integer, File> filepool = new HashMap<>();
-        int j = 0;
-        for (String line : lines) {
-            File file = new File(line);
-            if (type == "dir" && file.isDirectory() || type == "file" && file.isFile()) {
-                filepool.put(j, file);
-                j++;
-            }
-        }
-        return filepool;
-    }
+
 
     /**
      * Calculate md5 for each file in <b>pool</b> .
diff --git a/src/app/routines/FilePool.java b/src/app/routines/FilePool.java
new file mode 100644
index 0000000..c00f99b
--- /dev/null
+++ b/src/app/routines/FilePool.java
@@ -0,0 +1,49 @@
+package app.routines;
+
+import app.Execute;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class FilePool {
+
+    private final Execute x = new Execute();
+
+    /**
+     * [1] Write output of <b>find srcdir</b> to <b>/tmp/find</b> .<br>
+     * [2] Read <b>/tmp/find</b> into <b>List< String /></b> .<br>
+     * [3] Add <b>List< String /></b> entries to <b>Map>String,File></b> , where
+     * <b>String</b> is an <b>int</b> key. <br>
+     *
+     * @param srcdir <i>String</i>
+     * @param type   <i>String</i>  "file" OR "dir" , pick what type will be loaded.
+     * @return filepool
+     */
+    public Map<Integer, File> loadPool(String srcdir, String type) {
+        // [1]
+        x.execute(new String[]{System.getProperty("user.dir") + "/src/app/shell/toFile.sh", "find", srcdir, "/tmp/find"});
+        // [2]
+        List<String> lines = null;
+        try {
+            lines = Files.readAllLines(Paths.get("/tmp/find"));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        // [3]
+        Map<Integer, File> filepool = new HashMap<>();
+        int j = 0;
+        for (String line : lines) {
+            File file = new File(line);
+            if (type == "dir" && file.isDirectory() || type == "file" && file.isFile()) {
+                filepool.put(j, file);
+                j++;
+            }
+        }
+        return filepool;
+    }
+}
diff --git a/src/app/routines/RetrieveSubFiles.java b/src/app/routines/RetrieveSubFiles.java
new file mode 100644
index 0000000..2483e78
--- /dev/null
+++ b/src/app/routines/RetrieveSubFiles.java
@@ -0,0 +1,114 @@
+package app.routines;
+
+import app.Execute;
+import app.Tools;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class RetrieveSubFiles {
+
+    private final Execute x;
+    private final Tools tools;
+
+
+    public RetrieveSubFiles() {
+        this.x = new Execute();
+        this.tools = new Tools();
+    }
+
+
+
+
+
+    /**
+     * @param pool Map< Integer, File /> , a map containing files.
+     * @return create subfiles  on disk.                                                                                                                                                                                                                                                            MFile                                                                                                                                                                                                                                                               /> of duplicates contained in <b>md5Pool</b>
+     */
+    public int pdf_method(Map<Integer, File> pool) {
+
+        int files_created = 0;
+
+        for (int i = 0; i < pool.size(); i++) {
+
+            File file = pool.get(i);
+            String f_path = file.getAbsolutePath();
+            if (f_path.endsWith("pdf")) {
+                // -n is for adding line numbers
+                // -a is for accepting binary input
+                // -T is for preserving tabs, this helps in some special cases.
+                String[] cmd = new String[]{System.getProperty("user.dir") + "/src/app/shell/pipe.sh",
+                                            "cat " + f_path,
+                                            "grep -naT %PDF"};
+                String pdf = tools.brToString(x.execute(cmd).output);
+                // because -T was used, we now must use regex to extract the '1234:' tag
+                String pdf_lines = tools.matchRegEx(pdf, "[0-9]+:");
+
+                cmd = new String[]{System.getProperty("user.dir") + "/src/app/shell/pipe.sh",
+                                   "cat " + f_path,
+                                   "grep -naT %%EOF"};
+                String eof = tools.brToString(x.execute(cmd).output);
+                String eof_lines = tools.matchRegEx(eof, "[0-9]+:");
+
+                // TODO because of PDF tags having 'error char' instad of line nums, the # of PDF tags < # EOF tags
+                // TODO fix this by maybe making a grep of grep
+                List<String> pdf_list = pdf_list(pdf_lines, eof_lines);
+                int adf = 3;
+
+                for (int j = 0; j < pdf_list.size(); j++) {
+                    String sub_f_name = file.getName().split("\\.")[0] + "-sub" + j + ".pdf";
+                    String[] split = pdf_list.get(j).split(":");
+
+                    cmd = new String[]{System.getProperty("user.dir") + "/src/app/shell/fileCut.sh",
+                                       f_path,
+                                       split[0],
+                                       split[1],
+                                       file.getParent() + "/" + sub_f_name};
+                    x.execute(cmd);
+                }
+
+                files_created += pdf_list.size();
+                // x.execute(new String[]{"rm", f_path});
+
+            } else {
+                // Do nothing. File is either not a PDF,
+                // or contains no usable %PDF and %%EOF sequences.
+            }
+        }
+        return files_created;
+    }
+
+
+    /**
+     * pdf_matrix contains rows for each subfile as hinted by <i>params</i>:<br>
+     * [ %PDF line ; %%EOF line ; %PDF-version ; %%EOF ]
+     *
+     * @param pdf Record of lines containing the %PDF sequence.
+     * @param eof Record of lines containing the %%EOF sequence.
+     * @return pdf_matrix, see above.
+     */
+    public List<String> pdf_list(String pdf, String eof) {
+        List<String> list = new ArrayList<String>();
+
+        String[] pdf_list = pdf.split("\n");
+        String[] eof_list = eof.split("\n");
+
+        if (pdf_list.length == eof_list.length) {
+            for (int j = 0; j < pdf_list.length; j++) {
+                String pdf_tag_line = pdf_list[j].split(":")[0];
+                String eof_tag_line = eof_list[j].split(":")[0];
+                list.add(pdf_tag_line + ":" + eof_tag_line);
+            }
+        } else {
+            throw new Error("Number of %PDF tags does not match the number %%EOF tags. Skipping this file.");
+        }
+        return list;
+    }
+
+}
diff --git a/src/app/shell/fileCut.sh b/src/app/shell/fileCut.sh
new file mode 100755
index 0000000..8fa99a8
--- /dev/null
+++ b/src/app/shell/fileCut.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# ================================================================================
+#         FILE:  fileCut.sh
+#
+#        USAGE:  fileCut.sh [input file] [cut start] [cut end] [output file]
+#
+#  DESCRIPTION:  Cuts section between 'cut start' and 'cut end' from 'input file'
+#                and writes the contents of the cut to 'output file'.
+#
+# ================================================================================
+
+input_file=$1
+start_cut=$2
+end_cut=$3
+output_file=$4
+let cut_size=$end_cut-$start_cut
+
+
+head -n $start_cut $input_file | tail -n 1 | sed 's/.*%PDF/%PDF/g' > $output_file
+
+
+head -n $end_cut $input_file | tail -n $cut_size >> $output_file
diff --git a/src/app/shell/pipe.sh b/src/app/shell/pipe.sh
new file mode 100755
index 0000000..dc6f96c
--- /dev/null
+++ b/src/app/shell/pipe.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+a=$1
+b=$2
+$a | $b
+
+# this is a pipe
\ No newline at end of file
diff --git a/src/app/shell/pipe2.sh b/src/app/shell/pipe2.sh
new file mode 100755
index 0000000..826e21f
--- /dev/null
+++ b/src/app/shell/pipe2.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+a=$1
+b=$2
+c=$3
+$a | $b | $c
+
+# this is a double pipe
\ No newline at end of file
diff --git a/src/app/toFile.sh b/src/app/shell/toFile.sh
similarity index 100%
rename from src/app/toFile.sh
rename to src/app/shell/toFile.sh