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This article mainly explains the "what are the commands for comparing two PDF files under Linux". The explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what are the commands for comparing two PDF files under Linux.

Comparepdf

Comparepdf is a command-line application that compares two PDF files. The default comparison mode is text mode, which compares text to pairs of related pages. As soon as a difference is detected, the program terminates and displays a message (unless-v0 is set) and an indicative return code.

The options for text mode comparison are-ct or-compare=text (default), and the options for visual comparison (which are useful when icons or other images change) are-ca or-compare=appearance. The-vault 1 or-verbose=1 options are used to report discrepancies (or do not respond to matching files), use the-vroom0 option to cancel the report, or-vroom2 to report different and matching files at the same time.

Install comparepdf to Ubuntu

Open the terminal and run the following command

Sudo apt-getinstall comparepdf

Comparepdf syntax

Comparepdf[OPTIONS] file1.pdf file2.pdf

Diffpdf

DiffPDF is a graphical application for comparing two PDF files. By default, it only compares the text of two related pages, but it also supports comparing graphical pages (for example, if the chart has been modified or the paragraph has been reformatted). It can also compare specific pages or page ranges. For example, if there are two versions of the same PDF file, one has pages 1-12 and the other has pages 1-13, because an additional page 4 has been added, which can be compared by specifying two page ranges, the first is 1-12, and 1-3 5-13 can be used as the second page range. This will allow DiffPDF to compare these pages in pairs (1), (2), (3), (4), (5), and so on, until (12) 13).

Install diffpdf to ubuntu

Open the terminal and run the following command

Sudo apt-getinstall diffpdf

Screenshot

Thank you for your reading, the above is the content of "comparing the two PDF files under Linux". After the study of this article, I believe you have a deeper understanding of what is the command under Linux to compare the two PDF files, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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