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 ...

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28 views

Cannot print pdf from applicaton, lp works fine

Running Linux Mint 17.3 and I have installed a RICOH MP C3003 printer using cups with drivers obtained from http://www.openprinting.org PDF. The speciality may be that I have to use locked print at my ...
3
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0answers
46 views

Unix way to extract vectorised image and its graph from a PDF file?

Data: one LHC thesis' page 16, where the picture is vectorised (most probably .eps). I am reviewing the answer here of the thread Software needed to scrape data from graph. I cannot find any tool ...
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2answers
71 views

Why does this gs command fail on --filename.pdf?

System: Ubuntu 16.04 64 bit. Code from here gs -dSAFER -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=newfile.pdf badfile.pdf Outputs: Usage: gs ... -- file.ps arg1 ... argn The expected ...
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0answers
31 views

collect and print multiple pages to single pdf file in linux

I have to print multiple documents from different applications (browsers, pdf readers etc) and print to a pdf file. What I want to do is collect the documents when i 'print' from these applications ...
3
votes
1answer
90 views

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__': ...
31
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7answers
4k views

How do I create a blank PDF from the command line?

I recently needed a single blank PDF page (8.5" x 11" size) and realized that I didn't know how to make one from the command line. Issuing touch blank.pdf produces an empty PDF file. Is there a ...
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0answers
22 views

How to extract hocr file from PDF?

I'm creating an OCR-ed PDF through tesseract: tesseract input.tif out pdf But I also need the hocr and txt files. Recent versions of tesseract already solved this but because it requires compiling ...
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3answers
104 views

Why 'cat' can't read content of pdf files?

When tried the command cat < 1.pdf it printed a very large output, which was totally incomprehensible to me. The content of 1.pdf was abc. The output was like this: ...
2
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0answers
23 views

How do I trace why printing pdf from Ghostscript vs Evince is different?

I'm trying to get a better sense of how the "Print to File" option works on Linux Mint. Basically, when I open a PDF with Evince and print it to PDF, the output is different from the original, and ...
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0answers
10 views

llpp shortcut for duplicating window

I'm using llpp to view PDFs. I'd like to have a keyboard shortcut (like Ctrl+n) which will open the current PDF in a new window. Any ideas?
3
votes
3answers
117 views

Recover just deleted scanned pdf without unmounting

I have just deleted a scanned pdf file. I'm trying to recover it with scalpel. The problem is that scalpel will recover many deleted files and names them numerically (e.g. 0001.pdf, 0002.pdf, ... ...
3
votes
1answer
37 views

Command line: crop PDF to paper size (Fedora)

Tools like pdfcrop (from texlive) are great but they seem to be too focused on removing margins/white space. I'm trying to crop a set of letter pages (8.5x11 inches) to a size of 6x9 inches. I want ...
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1answer
51 views

How do I reduce the size of a pdf file that contains images?

I have a pdf file that contains images and I want to reduce its size in order to upload it to a site with a size limit. So, how can I reduce the size of a pdf file from the command-line?
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0answers
15 views

Is there any way to recover unsaved annotations in Okular after system crash

Other popular PDF software such as Adobe Reader or Skim (on OS X) offer a functionality to restore your annotations after a system crash even if you haven't saved the file manually yet. Does Okular ...
1
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0answers
35 views

How to preserve clearness while converting jpg to pdf file?

I would like convert a jpg file (a photo taken of two pages of a book) to a pdf file, with the goal of making the pdf file look like pages of a regular ebook file in terms of page size and ...
3
votes
2answers
53 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 ...
2
votes
0answers
20 views

epstopdf loose greek symbole

I'm generating a pdf using gnuplot this way: set term postscript color eps enhanced 15 set out '| epstopdf --filter --outfile=SD.pdf' replot set out Whereas the eps file generated contains the ...
3
votes
2answers
28 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?
0
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1answer
30 views

Create a pdf from which images cannot be extracted [closed]

I would like to make a PDF (of a Libre-Office document) that has the following properties: The images it contains cannot be extracted and saved; It contains hyperlinks that should be keep on ...
0
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0answers
26 views

Is there a common way to render out pdf files in a human-readable format on the command-line and keep the general layout?

I'm imagining something deeper than pdftotext (part of poppler-utils), because what I was imaging would be possible, would be to retain most of the layout on a virtual page, e.g. pipe this through a ...
1
vote
1answer
47 views

Is Evince a secure way to view malicious PDF?

I've seen that PDF's can contain malicious Javascript that operates in the background and can do bad things. This is primarily a problem for Adobe Acrobat. However, is this problem also for Evince? I ...
0
votes
0answers
37 views

How to split a A4 Letter page pdf into 2 4x6 pdfs

I get pdfs in A4 Letter size in portrait orientation, they have 2 sections top and bottom each 4x6. Right side of pdf is blank. I need to spit them into 2 pdfs 4x6 or 2 pages of the same pdf.. Ive ...
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0answers
31 views

How to remove zoom information from a PDF bookmark

I have a PDF file with bookmarks (aka index and document outline), which seem to specify the zoom in which the document is displayed after the link is followed. I know this because when I view the ...
1
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1answer
26 views

pdftoppm (v 3.0) very slow to convert thumbnail in newer version

On one of our local servers, I use pdftoppm (v 0.18.4) to capture the first page of a pdf file as a 1200px wide jpg. It's very quick, and works very well. I'm doing it like so: pdftoppm -f 1 -l 1 ...
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2answers
73 views

Conversion of PDF to PS

I'm quite new to shell scripting. I need to create a script or reuse a script that converts PDF to PS (Post Script) files, is there anyway this can be done?
1
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0answers
14 views

pdf viewer with two-sided option

I am looking for a pdf viewer, that is able to show two pages side-by-side, like they would be printed in a book. (Just like Preview does on Mac OS X) I am using GNOME on Debian and already looked ...
1
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1answer
34 views

Highlights cover text in Evince

How can I make Evince show this text properly? The highlights have been taken with PDF XChange Editor, and other software (qpdfview for example) shows them correctly. Evince is v. 3.10.3. This is ...
1
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2answers
406 views

Pdf reader that supports XFA forms (while Adobe Reader is not supported in recent Linux)?

XFA forms are features of a pdf file involving options to complete fields in certain documents - in many cases official documents. These options may open a calendar, for example, in order to select ...
1
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1answer
91 views

Write PDF metadata from the file name using Exiftool or PDFtk

I have thousands of PDF files named in the format Author Year Title of the book The first two spaces are relevant: they make a break between the Author, the year and the title. The title could ...
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2answers
80 views

Create one pdf out of multiple (selected) images

To convert multiple images to pdf this script will do that for all images inside a folder: #!/bin/bash # for f in *.png; do convert ./"$f" ./"${f%.png}.pdf" done But each image is converted into ...
2
votes
1answer
26 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 ...
1
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0answers
32 views

concat pdf pages after pdfcrop

I ran pdfcrop to crop the whitespace from pdf. As expected, the result is a pdf with pages of varying sizes. Is there any way to "squash" all these pages so they nicely fit in A4 (or any other format) ...
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2answers
55 views

How are GNU documents in PDF formats created?

Some GNU software doesn't offer PDF files for its manual, e.g. http://www.gnu.org/software/findutils/manual/find.html Some does, and their PDF files have bookmarks/outlines, e.g. ...
3
votes
2answers
120 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 ...
1
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0answers
89 views

CUPS-PDF is very slow

I'm using CUPS-PDF printer to produce PDF files. Everything works properly, but problem is the time which CUPS-PDF printer needed to complete a job. For a PDF file with 25 pages CUPS-PDF need more ...
0
votes
1answer
28 views

How to convert the manpages of git and its subcommands into a pdf file?

There are two places that I can find manpages of git and its subcommands: https://git-scm.com/docs, and the links to all the git subcommands ...
1
vote
1answer
212 views

CentOS 7 Encrypt a PDF

I've recently upgraded our server from CentOS 6 to CentOS 7 and I am having issues getting pdf encryption working on it. On CentOS 6 I installed libgcj and then the pdftk package. I could then ...
1
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0answers
80 views

Extract coordinates of matching text in PDF

Basically I want to grep a string in a PDF and get the coordinates of the matching result(s). I already use pdftotext to do the opposite, namely to extract some text given its coordinates. In ...
2
votes
1answer
112 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 ...
3
votes
0answers
77 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 ...
0
votes
0answers
19 views

Formatting lpr output to use a particular font and svg background

I have a somewhat peculiar request. I would like to be able to produce "retro" PDF output of text files (for subsequent printing or e-mailing). So I would like to have some sort of processor which ...
2
votes
0answers
27 views

Set default program for one specific file in Nemo

There's a lot of questions on how to change the default program for a specific file extension, but I want to know if I can change the default program for a specific file. Reason: Some PDFs don't ...
1
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0answers
117 views

How do I convert the complete AMD64 Gentoo Handbook into a PDF from the command-line?

I have been writing shell scripts for converting the AMD64 Handbook of Gentoo Linux to PDF and this is my current shell script: function ghand { # Input 1 is the architecture # Input 2 is the ...
2
votes
2answers
31 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 ...
3
votes
0answers
92 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 ...
0
votes
1answer
205 views

Password protect a PDF file with AES 256

I can't find a free/open-source software that password protects my PDFs with AES 256. pdftk just offers 128-bit strength.. In fact I didn't find any other tool that encrypts PDFs. What tool may I ...
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0answers
26 views

Installing swftools with dependencies on a server with no internet connection?

I am trying to install a package on a Red Hat server which does not have internet connection by which I could directly download and install dependencies. Where can I download the swftools package ...
5
votes
1answer
287 views

Can Zathura's “dual” page mode use a page offset?

When viewing PDFs that are setup for print, I often want to view facing page spreads. Typically PDFs are typeset such that the first page of the file/part/chapter always starts on a right page so ...
0
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0answers
56 views

Why can't I remove annotations in this PDF document?

I'm using GNOME "Document Viewer" for annotating PDF files. I can add annotations but am unable to remove them, despite following the instructions here. ...
0
votes
1answer
181 views

Overlay text in PDF via command line

The following command produced the result of the following image using convert, where an overlay box containing the letter "A" was layered over the PDF: convert online_gauss.pdf -fill white ...