PDF (Portable Document Format) is an open standard for fixed format document exchange. Use this tag to indicate questions involving files in this format and also when software is generating/processing this format. When possible and possible relevant indicate the version of the PDF document (as ...

learn more… | top users | synonyms

3
votes
2answers
25 views

Concatenate PDFs but extend pdf's to be even number of pages

I want to concatenate a bunch of PDFs but for printing purposes I would prefer that empty pages are added to each document that have an odd number of pages. Can I do this with PDFTK?
3
votes
1answer
311 views

Concatenate in a PDF the first page of several odt files alphabetically

I have, in the same directory, several odt files. I'd like to have in one PDF document the first page of these odt files, sorted alphabetically based on their filename. For example, if I have these ...
3
votes
1answer
270 views

How to change the color of all highlights in a PDF file?

I want to change the color of every highlight in a PDF file (without having it do for every highlight manually). Preferably with a command line command. Here is an example PDF with a highlighted ...
3
votes
1answer
625 views

Change zathuras display mode to single page only

I recently switched from Debian to Arch. Now I have a newer version of zathura, which displays the pages continuously. For poppler as well as mupdf. I need the discrete display mode. Is this fixed ...
3
votes
3answers
579 views

How can I convert raw printer commands back to a postscript or pdf file?

I have a string of raw printer commands that are for my postscript printer saved to a file. I believe there is a lpr option like -o raw which will read these raw command and send them to the printer. ...
3
votes
2answers
4k views

How to save a copy of a protected PDF form in Evince?

I've got a pretty long PDF form from my ISP and filled it carefully. Willing to save my work of filling it I've tried to use File - Save a copy.... But Evince says it can't save it because it is ...
3
votes
1answer
6k views

Convert pdf file to epub

Is to possible to convert pdf file to epub format without errors? Is there some application in Linux that can do it? I found only Ecub and Calibre which give bad results or fail. A command-line ...
3
votes
1answer
4k views

convert djvu to pdf

How to convert djvu2pdf ? My current approach is : djvups x.djvu > x.ps ps2pdf x.ps Is there more efficient and better (in terms of output quality, data/metadata loss) way to handle that ?
3
votes
1answer
685 views

Embeded video in PDF

I'm creating a presentation that will have embedded video in it (using beamer). The issue is that I can't make this work on Linux. I have downloaded some example presentations that contained video, ...
3
votes
2answers
94 views

Printing two pages per sheet from the command line

Say I start off from a PDF document, say of 12 pages, viewed with evince. To produce another PDF of 6 sheets, with a page setup of two pages per side, I normally use the "Print to File" device ...
3
votes
1answer
110 views

tiff2pdf coloured

I converted some scanned .tif files to .pdf using tiff2pdf (libtiff version 4.0.3 ) with JPEG compression. Viewing them in evince showed a coloured (pinkish) background. My initial thought was that ...
3
votes
2answers
384 views

Image size with gscan2pdf and ImageMagick `convert` bloat

I scan all my important incoming physical-mail to PDF. I am trying to move this activity to Linux as part of the process of eliminating my dependence on Windows - where I used to use the excellent but ...
3
votes
2answers
663 views

using `lpr` to get file name and page numbers printed on pdf

I have a PDF file and I want to print it with the file name and page numbers added somewhere on the page. Is this possible with lpr? If not, what utility can I use to transform the PDF file first? I'm ...
3
votes
1answer
485 views

Does using epub2pdf pose a potential security risk? Is there an alternative?

epub2pdf is a fairly platform-independent program. Based on Java, it executes without a hitch on my machine, with no dependencies. However, strangely enough, the program requires an active internet ...
3
votes
2answers
45 views

detect if PDF file is made from images

I'm trying to pre-process a huge amount of PDF files, many of them not actually text but images in order to move them to a proper location to OCR processing. The problem is I've tried to detect if ...
3
votes
1answer
99 views

Extract completed slides of a slide show PDF

PDF files of slide show presentations distributed by my lecturers often contain a huge number of pages, because each animation step results in an new page (sometimes 20 pages per slide). This is nice ...
3
votes
1answer
170 views

Combine parts of pages of a PDF document

I have a PDF which has some content split onto 2 pages. The first part takes less or equal the bottom half of the first page and the second part takes less than the top half of the second page. For ...
3
votes
1answer
246 views

Ligatures missing in some PDFs

I have some PDFs which, when viewed in readers under Linux (tried atril from MATE and evince from GNOME), the ligatures (e.g. fi, fl) are missing, as can be seen from the example (it should be ...
3
votes
3answers
4k views

Can't print to PDF using cups-pdf; used to work, now “failed to set file mode” printing as non-root

Here's something really odd: something that used to work fine in Debian, and then broke, even without a dist-upgrade. I used to be able to use the CUPS PDF virtual printer to print anything to a PDF ...
3
votes
2answers
595 views

convert bulk of text files to pdf with naming based upon header file

Knowing that "How to convert from text to .pdf" is already well answered here link and here link, I am looking for something more specific: Using Claws-Mail [website] and a Plug-In [RSSyl] to read ...
3
votes
1answer
2k views

Printing PDF with not embedded TrueType Font (cups / lpr)

I have a PDF in which the TrueType font OCRB is used, however the font is not embedded. So I tried to install the font on my system (which is by the way a SLES11 SP2), I did the following things: ...
3
votes
1answer
51 views
+50

PDF output with correct spaces in code examples

I have been using rst2pdf and pandoc to convert the following reStructuredText into PDF: This is a python example:: def main(): print("Hello World!") if __name__ == '__main__': ...
3
votes
0answers
74 views

How to convert this chm file to pdf? [closed]

I want to convert a chm file to a pdf file. Calibre's command ebook-convert ebook-convert 1.chm 1.pdf only converts the first 7 pages of the chm file into a pdf file, while the chm file has much more ...
3
votes
0answers
80 views

How can I calibrate Zathura's zoom levels to my monitors?

I'm using Zathura (using the MuPDF plugin) to review various layouts for printing. It's important to me that I'm looking at things approximately the same size as they will come out on paper. I realize ...
3
votes
0answers
171 views

Replace a image in a PDF using command line

I need to process some PDF files. The task consists in exchange a given image file by another. My first problem is how to replace a PDF image from command line in a batch process. Next I'll try to ...
3
votes
0answers
128 views

Standard workflow to digitize magazines or books using OCR while minimizing file size?

To scan books containing just text, black&white images and clear borders, the workflow I've been using is: digitize the source using a camera or just a scanner use scantailor finally use ...
3
votes
0answers
41 views

How can OCRed text be preserved while converting between djvu and pdf files?

Suppose a pdf file has OCRed text. How can we convert it to a djvu file and pass the OCRed text to the djvu file? Conversely, if exchange "pdf" and "djvu" in the above? Thanks!
3
votes
0answers
104 views

pdf viewer for text documents saved as images — bad rendering

The situation I have in mind is a .pdf document obtained from a scan, or at least such that some readers view it as an image (as opposed to text) and render it badly (see the screenshot below) My ...
3
votes
1answer
490 views

Corrupted PDF: Opens fine, but pyPdf bails with AssertionError

I received a PDF in an email and I want to crop and rotate it because it has two pages per sheet. Trying the solutions in Split pages in pdf I had problems with "AssertionError" in pyPDF and "Warning: ...
3
votes
1answer
191 views

Convert to postscript format using the Backend command before sending to a printer

Without using CUPS is there an way to add something on the Backend line in the print queue to convert all print sent to a queue to postscript from PDF format before sending the output to the printer?
2
votes
2answers
2k views

How to create indexes in a pdf?

iPdf is rotten. Is there any other software or any other way by which an "index" can be created in a pdf file?
2
votes
3answers
2k views

How to mount a .jpg centered into a .pdf (using defined page size and borders)?

I'm looking to convert a .jpg into a .pdf, so that the .jpg is positioned at a certain location: centered on (say) an A4 page, with a minimum border of 30 pixels all around between image and page ...
2
votes
3answers
1k views

How to print multiple pages per side with one(right) page blank?

Input file is any pdf document. I want to have right side space for writing notes. output.pdf looks like !
2
votes
1answer
184 views

Exchange odd and even pages in a pdf file?

Is it possible to exchange odd and even pages in a pdf file, e.g. page 1 and page 2 exchange, page 3 and page 4 exchange, ..., assuming the pdf file has even number of pages? Can it be done using ...
2
votes
3answers
197 views

Manipulating a picture pdf

Is there a practical tool to modify (with eraser and pen) a pdf file whose content is a scanned document or a picture taken by a digital camera? If so, which one is good?
2
votes
2answers
799 views

Custom title in PDF files when using ps2pdf

I convert .txt files to .ps files with enscript, OK! After that I use "ps2pdf" to convert the .ps files to .pdf files. OK! And I can see: Question: What parameter do I have to use (with enscript ...
2
votes
2answers
30 views

Opening PDFs in existing window

At the moment, I can open a PDF in Evince (say) by typing $ evince document1.pdf Then the command $ evince document2.pdf starts a second instance of Evince and opens the new document in that ...
2
votes
3answers
97 views

Searching a keyword in multiple pdf files

I want to search for a specific keyword in multiple pdf file using pdftotext command. Normally we can search inside a single pdf file using the following command: pdftotext file.pdf - | grep keyword ...
2
votes
2answers
230 views

Batch rename according to number of pages in pdf file

I have a lot of papers in pdf files (and also other type of files in the same folder). I'd like to rename them using the pattern <current file name>[<number of pages>].pdf But after ...
2
votes
1answer
294 views

How to tell if the hidden text layer in a pdf file is from OCR or not? [closed]

I have seen some pdf files after OCR have very accurate text (both in terms of recognition rate, and in terms of alignment of text to the image). What Unix/Linux tools help me tell, if the hidden ...
2
votes
2answers
103 views

scripted pdf code review

What I try to achieve I need to review a bunch of C source code spread out into dozen of directories. I already have a bash script which does the following: It searches for all source codes in the ...
2
votes
2answers
899 views

Xpdf fit to page width in fullscreen mode

When I call the command: $ xpdf file.pdf -z width -fullscreen ...it does not have the desired effect. The individual options: $ xpdf file.pdf -z width ...and: $ xpdf file.pdf -fullscreen ...
2
votes
1answer
23 views

Is it possible to send an xpdf process a signal that causes it to reload the file being displayed?

On page change, redraw, or Reload command, xpdf will reload the file it is currently displaying. Is it possible to cause xpdf to reload the file by sending a signal? Which signal? (I am basically ...
2
votes
1answer
86 views

List named destinations in a PDF

How can I list the named destinations in a PDF file? Named destinations are the formal name for what you might call anchors. Major browsers jump to the named destination foo when you follow a link to ...
2
votes
2answers
25 views

How do I export visiting cards onto one page?

I have a script to generate visiting cards for the entire team from an svg template. It spits out a single pdf the size of a visiting card, like so: +-----------------+ | o o | | ...
2
votes
2answers
821 views

Shell script to merge files with same names

I have a directory of files such as: file.1111111_1.pdf file.1111111_2.pdf file.2222222_1.pdf file.2222222_2.pdf … file.1234567_1.pdf file.1234567_2.pdf … file.aaaaaaa_1.pdf file.aaaaaaa_2.pdf … ...
2
votes
1answer
361 views

Recursively find and move corrupted PDFs

The Issue I was using python-skydrive to download files to my PC, and I accidentally corrupted a good amount of my PDF files. When I try to view them in Document Viewer, I get the following error ...
2
votes
1answer
164 views

Configuring Org-mode to open PDFs with evince

I'm starting to use org-mode to export text to LaTeX. My problem is that it opens the generated PDF with ebook-viewer (it is a EPUB, CHM reader) instead of using evince. Question Does anyone know ...
2
votes
1answer
555 views

Problems converting PDF to DjVu

I have a PDF file (copyrighted, so I can't include it here). I'm trying to convert it to DjVu, using some online websites as well as pdf2djvu, but they all fail. In the case of pdf2djvu, the error ...
2
votes
1answer
574 views

Possible to extract title and pagenum of each page in a pdf file

I was wondering if there are some ways to extract title and pagenum of each page in a pdf file? Either by some applications, or by programming in some programming language with some pdf libraries? ...