Merge multiple PDF files based on their name using Python (Real-World Example)

𝗗𝗘𝗦𝗖𝗥𝗜𝗣𝗧𝗜𝗢𝗡
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In this tutorial, you will learn how to combine pdfs by name using Python. In particular, we will be using the PyPDF2 module. This is a fast and easy way to merge pdf files without copying and pasting.

🌍 𝗟𝗜𝗡𝗞𝗦:

⭐ 𝗧𝗜𝗠𝗘𝗦𝗧𝗔𝗠𝗣𝗦:
00:00 – Introduction
00:22 – Explanation of the task
00:50 – Coding out the solution
05:43 – Outro

𝗧𝗢𝗢𝗟𝗦 𝗔𝗡𝗗 𝗥𝗘𝗦𝗢𝗨𝗥𝗖𝗘𝗦
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𝗖𝗢𝗡𝗡𝗘𝗖𝗧 𝗪𝗜𝗧𝗛 𝗠𝗘
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☕ 𝗕𝘂𝘆 𝗺𝗲 𝗮 𝗰𝗼𝗳𝗳𝗲𝗲?
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[CodingIsFun]

*The task was somewhat specific, but I hope you learned something new! :)*

[brazilleros]

As always, understandable clean code and perfect solution! Thank you Sven, for your videos and professional attitude .

[asankacool]

Wow, this video represents a very practical scenario in the field of science industrials operation data analytics.
My another suggestion would be the same scenario for excel file type append method for a key on ‘financial year month’ basis which the Key then also needs to be converted to a DATE format for proper analytics, graphs and exact time series order.
Btw, great video Sven!!! 👍👍👍

[torque]

Love the videos! Very helpful. Thank you!

[KhalilYasser]

Awesome. I am waiting for your videos day after day.

[YasinNabi]

woww this video is a wonderful video and pushed me to some other videos in your channel. great content. thanks for uploads., ,,,

[swagz]

Been looking into the best way to create a simple gui that shows a list of pdfs in a folder, has an area for creating an output pdf to combine files into (list of multiple output files as these are "pdf packages" that are being built), has a button to copy a selected pdf into the desired output file (this I imagine would just be the file path of the selected pdf to append or merge with the desired output pdf)

I'm considering doing everything in excel but I'm now considering React/JS or maybe Python.

What would you suggest?

[tobiewaldeck]

Hi. I have tried pymupdf and pypdf2 to merge forms with fill-able fields in them. Either fields are missing from resulting pages or all the fill-able field values are the same. What is going on?

[Aditya-mxgv]

Hi,
when I run the program it again starts to scan the already merged files, I want it to only scan the newly added files in the folder and to perform merge operation to those only, could you help me with this, thank you

[manuelbibbes]

Thank you for your Video and yes i already learned something even if it didn't work for me.
I got a the an Error: "TypeError: unhashable type: 'list'" and don't know how to handle that for now.
Do you have a tip for me?

[diegodanciguer]

very good video, is there a way to choose which order the pdf needs to be merged?

[dain]

Hi just one question. Iv got error on file.name part line 18 are there any solutions???

[dimasramawib]

Hi, Sven! Thank you for such a helpful video! One question though, I have multiple files just like you've shown in the video. My files looks something like '001.pdf', '002.pdf', '001 - Content.pdf', '002 - Another Content.pdf' mixed in a single folder just like in the video as well. However, when I run the code, the merged file content order are '001 - Content.pdf" on the first page and '001.pdf' on the second page. My question is how can I swap the order of the content so that the merged content will be '001.pdf' on the first page and '001 - Content.pdf' on the second page? Cheers

[dule]

Please, share the lesson how to make the book mark for the combined PDF file. Thank you very much!

[raajashekaran]

Hi Thank you for your wonderful video, can include adding the Header and Footer along with Merge Please.

[gaganrastogi]

Please make a video, or just explain or give clue, How to covert all pdfs in folder to excel, or extract table and save Excel for each file.

[everythinginpython]

if someone wants to authenticate data with then this code might be help them.

for key in keys:
merger = PdfMerger()
base_file_name = None
for file in pdf_files:
str_pdf_file = str(file)
split_str_pdf_files = str_pdf_file.split(" ")
if
merger.append(PdfReader(str(file), "rb"))
if len(file.name) >= BASE_FILE_NAME_LENGTH:
base_file_name = file.name
if base_file_name:
print(base_file_name)
/ base_file_name))
merger.close()

[jastorgallywix]

IMPORTANT
Change all occurences of "PdfFileMerger" to "PdfMerger" and "PdfFileReader" to "PdfReader"
then the code will work.

PdfFileMerger and PdfFileReader are no longer available(removed in PyPDF2 3.0.0.).

[qulinxao]

sorry, but your algo is O(n^2). simple change building keys on: keys={}; set(keys.setdefault(file.name[:3], []).append(file.name)for file in pdf_files)
now U don't need rescan all pdf_files for each key just:
for key in keys:
merger=PdfFileMerger()
for file in keys[key]:

[alejandramunoz]

hi, could you help me with below error,
how can i define path, thank you
NameError Traceback (most recent call last)
Cell In [12], line 1
----> 1 pdf_dir = Path(__file__).parent / "pdf_files"

NameError: name 'Path' is not defined