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Pdftk

As explained in Learn AI-Assisted Python Programming, Second Edition

pdftk is a command-line toolkit for manipulating PDF documents, including concatenating and splitting files.

pdftk is a command-line toolkit for merging PDF files without installing a Python PDF module. Python can call it through subprocess, passing input filenames, the cat operation, and an output filename. section 9.4.1

Merge two PDFs

Call pdftk with file1.pdf and file2.pdf, then use cat output merged.pdf to create merged.pdf. pdftk must already be installed on the system. section 9.4.1

```python
import subprocess
 
# Call pdftk to merge the PDF files
subprocess.call(['pdftk', 'file1.pdf', 'file2.pdf', 
 'cat', 'output', 'merged.pdf'])
```

Shows the concise subprocess call used to merge two PDF files with pdftk. section 9.4.1

How Learn AI-Assisted Python Programming, Second Edition covers it

How deep it goes
Demonstrates one merge command and its arguments, but does not detail broader PDF manipulation or pdftk internals.
Examples
Merges file1.pdf and file2.pdf into merged.pdf using the cat and output arguments.
What it assumes
Assumes basic Python file and subprocess use, and requires pdftk installation before execution.
What you can do after
Operate/configure PDF merging by invoking pdftk through Python's subprocess.call function.
How it connects
Connects pdftk with subprocess, PDF files, and PyPDF2 as an alternative implementation.
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Learn AI-Assisted Python Programming, Second Edition. The section links point to the parts of the book it draws on.