diff -up ./scripts/pdfbook2/pdfbook2.py3 ./scripts/pdfbook2/pdfbook2

--- ./scripts/pdfbook2/pdfbook2.py3	2020-01-10 08:49:13.071743210 -0500

+++ ./scripts/pdfbook2/pdfbook2	2020-01-10 08:50:18.938615714 -0500

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/python3

 """ pdfbook2 - transform pdf files to booklets

     This program is free software: you can redistribute it and/or modify

@@ -29,15 +29,15 @@ import shutil

 def booklify( name, opts ):

     #------------------------------------------------------ Check if file exists

-    print "\nProcessing", name

+    print("\nProcessing", name)

     if not os.path.isfile( name ):

-        print "SKIP: file not found."

+        print("SKIP: file not found.")

         return

-    print "Getting bounds...",

+    print("Getting bounds...", end=' ')

     sys.stdout.flush()

     #---------------------------------------------------------- useful constants

-    bboxName = "%%HiResBoundingBox:"

+    bboxName = b"%%HiResBoundingBox:"

     tmpFile = ".crop-tmp.pdf"

     #------------------------------------------------- find min/max bounding box

@@ -50,8 +50,8 @@ def booklify( name, opts ):

         p.wait()

         out, err = p.communicate()

         if len( err ) != 0:

-            print err

-            print "\n\nABORT: Problem getting bounds"

+            print(err)

+            print("\n\nABORT: Problem getting bounds")

             sys.exit( 1 )

         lines = out.splitlines()

         bboxes = [s[len( bboxName ) + 1:] for s in lines if s.startswith( bboxName )]

@@ -69,11 +69,11 @@ def booklify( name, opts ):

         minLOdd -= maxWidth - widthOdd

         maxREven += maxWidth - widthEven

-        print "done"

+        print("done")

         sys.stdout.flush()

     #--------------------------------------------- crop file to area of interest

-        print "cropping...",

+        print("cropping...", end=' ')

         sys.stdout.flush()

         p = subprocess.Popen( ["pdfcrop",

                                "--bbox-odd", "{L} {T} {R} {B}".format( L = minLOdd - opts.innerMargin / 2,

@@ -92,16 +92,16 @@ def booklify( name, opts ):

         p.wait()

         out, err = p.communicate()

         if len( err ) != 0:

-            print err

-            print "\n\nABORT: Problem with cropping"

+            print(err)

+            print("\n\nABORT: Problem with cropping")

             sys.exit( 1 )

-        print "done"

+        print("done")

         sys.stdout.flush()

     else:

         shutil.copy( name, tmpFile )

     #-------------------------------------------------------- create the booklet

-    print "create booklet...",

+    print("create booklet...", end=' ')

     sys.stdout.flush()

     pdfJamCallList = [ "pdfjam",

                        "--booklet", "true",

@@ -124,7 +124,7 @@ def booklify( name, opts ):

         p.wait()

         out, err = p.communicate()

         if len( out ) == 0:

-            print "\n\nABORT: The everyshi.sty latex package is needed for short-edge."

+            print("\n\nABORT: The everyshi.sty latex package is needed for short-edge.")

             sys.exit( 1 )

         else:

             pdfJamCallList.append( "--preamble" )

@@ -139,7 +139,7 @@ def booklify( name, opts ):

     #-------------------------------------------- move file and remove temp file

     os.rename( tmpFile[:-4] + "-book.pdf", name[:-4] + "-book.pdf" )

     os.remove( tmpFile )

-    print "done"

+    print("done")

     sys.stdout.flush()

@@ -228,7 +228,7 @@ if __name__ == "__main__":

     if len( args ) == 0:

         parser.print_version()

         parser.print_help()

-        print ""

+        print("")

         sys.exit( 2 )

     #------------------------------------------- run for each provided file name