A set of scripts which make handling PDFs easier. Works across all platforms. Tested on Pop! OS 20.04 and Python 3.8.11.

Script to merge PDFs

Open Terminal where the script is present

 $ python pdfmerger.py 
Enter the path to the pdf files : /media/greed/Windows8_OS/Me/Files/VIT/FALLSEM_17-18/OS
Enter output filename : osfatportions
Wait...
Done xD
 $ 

Script to create a PDF which is a subset of the original PDF.

Open Terminal where the script is present, make sure the script and the pdf file are in the same directory.

Note : when you give 6-13, it includes 6, 13 and all the numbers inbetween them.

 $ python subset.py
Enter the name of the pdf : osfatportions
Enter the slicing : 1-3 6-13 16 19-20
Enter output filename : splitted
Wait...
Processing 498 pages...
Returning 14 pages...
Done.
 $ 

Script to create a PDF with all the images in the current working directory.

Open Terminal where the script and the images are present and run the images2pdfgenereator.py

Note: script supports both .jpg and .png formats only. Haven't tested with any other formats.

λ python images2pdfgenerator.py
Enter output filename: test
Done.
λ