add bash script to handle PB

pb.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+LOGFILE="/mnt/Pocketbook/system/config/nextcloud/logfile.txt"
+APPLOCATION="bin/Nextcloud.app"
+APPDIR="/mnt/Pocketbook/applications/"
+
+############################################################
+# Help                                                     #
+############################################################
+Help()
+{
+   # Display Help
+   echo "Functions to interact with the PB"
+   echo
+   echo "Syntax: pb [h|c|l|u]"
+   echo "options:"
+   echo "-h     Print this Help."
+   echo "-c     Copy the app to the appfolder"
+   echo "-l     Show a logfile, if it exists"
+   echo "-u     Unmount PB"
+   echo
+}
+
+############################################################
+# MOUNT                                                    #
+############################################################
+Mount()
+{
+MOUNTPOINT=$(sudo blkid | awk '/PB632/ {print $1;}' | tr -d ':')
+if [ -n "$MOUNTPOINT" ]
+then
+    if mount | grep $MOUNTPOINT > /dev/null; then
+        echo "Already mounted."
+    else
+        sudo mount $MOUNTPOINT /mnt/Pocketbook
+    fi
+else
+    echo "Could not find PB"
+fi
+}
+
+############################################################
+############################################################
+# Main program                                             #
+############################################################
+############################################################
+[ $# -eq 0 ] && Help
+while getopts ":hclu" o; do
+    case $o in
+        h) #Display help
+            Help
+            exit;;
+        l)
+            Mount
+            if [ -f "$LOGFILE" ];
+            then
+                less $LOGFILE;
+                while true; do
+                    read -p "Do you want to delete log?" yn
+                    case $yn in
+                        [Yy]* ) sudo rm -r $LOGFILE; break;;
+                        [Nn]* ) exit;;
+                        * ) echo "Y/N";;
+                    esac
+                done
+            else
+                echo "No log file found."
+            fi
+            ;;
+        c)
+            Mount
+            if [ -d "$APPDIR" ]
+            then
+                make
+                sudo cp $APPLOCATION $APPDIR
+            fi
+            ;;
+        u)
+            if mount | grep /mnt/Pocketbook > /dev/null; then
+                sudo umount /mnt/Pocketbook
+                echo "Pocketbook umounted"
+            else
+                echo "/mnt/Pocketbook not mounted."
+            fi
+            ;;
+        *)
+            echo "Invalid command. To see available commands add -h."
+    esac
+done