xfnty / merge-pdf

Combines PDF, CBR and CBZ files into a single PDF document

NOTE

The memory management is terrible. So simply use pdfunite instead.

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Simple script for combining PDFs and CBRs into a single document. Originally was created to merge manga chapters from ReadmangaGrabber and HakuNeko.

Install

On Linux

chmod +x ./scripts/install.sh && ./scripts/install.sh

Requirements

On Linux

chmod +x ./scripts/setup.sh && ./scripts/setup.sh

On Windows

python -m venv .venv
venv\Scripts\activate
pip install -r requirements.txt

Usage

usage: merge-pdf [-h] [-d] input_folder output_filename

Combines PDFs or comic books into a single PDF document

positional arguments:
  input_folder     Folder in which to search for chapter files.
  output_filename  Output filename. Supported formats are "pdf", "png", "cbr", "cbz".

optional arguments:
  -h, --help       show this help message and exit
  -d, --dry-run    Do not make actual changes.

Sample output

main@hp-laptop:~/Documents/merge-pdf$ merge-pdf -d ./test/ ./test/out.pdf
+ ./test/1/1.pdf (4.1 MB) 4.1 MB in total
+ ./test/1/2.pdf (2.0 MB) 6.1 MB in total
+ ./test/2/1.pdf (2.8 MB) 8.9 MB in total
+ ./test/2/2.pdf (2.9 MB) 11.8 MB in total
Merging files... (dry run) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% 0:00:06
Total size: 802.9 MB

Notes

Often cache grows too big. Clear it with this command:

sudo sh -c 'echo 1 >  /proc/sys/vm/drop_caches'

merge-pdf's Issues

Reduce amount of RAM usage

Create temporary PDF for every subfolder or add PDFs page by page to the final document

(v1.1) Support CBR and CBZ

Add support for comic book file formats.
Add new argument --comic

(v1.1) Unify folder and file names

(v1.1) Search in specified folder only by default

Enable recursive search with --recursive option

Add raw JPG, JPEG, PNG support