[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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— | es:howtos:software:how_to_merge_pdf-files [2019/02/28 01:46 (UTC)] – creado slackwarespanol | ||
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+ | ====== How to merge PDF-files ====== | ||
+ | |||
+ | ===== Introduction ===== | ||
+ | |||
+ | PDF (Portable Document Format) is a file format invented by Adobe. PDF is useful to present documents independent of hardware, operating system and application software. Each PDF file has a fixed layout, including page size, fonts, graphics and other information. It is also possible to encrypt a PDF file for security, or create a digital signature for authentication. | ||
+ | |||
+ | <note important> | ||
+ | |||
+ | PDF documents are created from traditional text documents via a printer driver, or as with LaTeX, created directly from source-code. One important consequence is that one cannot convert a PDF-document " | ||
+ | |||
+ | This article describes how you can merge several PDF documents into a single PDF document. For example, this is useful if you have several pages from a scanner in PDF format and want to put these files into one file. There are several tools available; some are included in the stock Slackware install as well as others that can be readily installed. | ||
+ | |||
+ | ===== Default Tools ===== | ||
+ | |||
+ | Tools which are already available on your Slackware computer if you have a complete installation. | ||
+ | |||
+ | ==== imagemagick (convert) ==== | ||
+ | |||
+ | The convert tool comes in Slackware' | ||
+ | |||
+ | The convert tool uses the -adjoin option to achieve this. | ||
+ | < | ||
+ | Thanks to jlinkels for the contribution. | ||
+ | |||
+ | To increase the quality of the output, it is better to read the input PDF files with a higher density (in dots per inch (DPI)) and then resize the output density back to common DPI, 96 for example. I usually use an input density of 600 (after many trial and errors), and then resize with 93.75% (if you dont resize you will get a huge output file). | ||
+ | < | ||
+ | Thanks to eXpander_ for the contribution. | ||
+ | |||
+ | ==== ghostscript (gs) ==== | ||
+ | |||
+ | The ghostscript package resides in Slackware' | ||
+ | |||
+ | With GhostScript you can merge PDF files on the command line. | ||
+ | < | ||
+ | Thanks to mrclisdue for the contribution. | ||
+ | |||
+ | ==== pdfconcat ==== | ||
+ | |||
+ | The pdfconcat tool comes in Slackware' | ||
+ | |||
+ | < | ||
+ | Thanks to BroX for the contribution. | ||
+ | |||
+ | ==== pdfunite ==== | ||
+ | |||
+ | The pdfunite tool comes in Slackware' | ||
+ | |||
+ | < | ||
+ | Thanks to nivieru for the contribution. | ||
+ | |||
+ | ===== Additional tools ===== | ||
+ | |||
+ | Additional tools that can be easily installed. | ||
+ | |||
+ | ==== pdftk ==== | ||
+ | |||
+ | pdftk is available at [[http:// | ||
+ | < | ||
+ | pdftk can do more things than joining PDF files, for example rotating a document by 180 degrees is done this way: | ||
+ | < | ||
+ | Thanks to brianL and michaelk for pointing me to pdftk. | ||
+ | |||
+ | ==== pdfshuffler ==== | ||
+ | |||
+ | pdfshuffler is also available at [[http:// | ||
+ | |||
+ | ==== pdfjam ==== | ||
+ | |||
+ | pdfjam is a LaTeX-package which is unfortunately **not** included in tetex. But those of us who have installed texlive instead already have pdfjam. It is also a command line tool (like LaTeX). The documentation is available with the texdoc command | ||
+ | < | ||
+ | Thanks to joghi for pointing me to pdfjam. | ||
+ | |||
+ | < | ||
+ | |||
+ | ====== Sources ====== | ||
+ | <!-- If you are copying information from another source, then specify that source --> | ||
+ | <!-- * Original source: [[http:// | ||
+ | <!-- Authors are allowed to give credit to themselves! --> | ||
+ | * Originally written by [[wiki: | ||
+ | <!-- * Contributions by [[wiki: | ||
+ | http:// | ||
+ | <!-- Please do not modify anything below, except adding new tags.--> | ||
+ | {{tag> | ||