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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0
votes
1answer
96 views

Modifying the search result of grep

Normally, we can search a keyword in a list of pdf files using the following command: for file in *pdf; do pdftotext "$file" - | grep keyword done Now, from the search result, If I want to find ...
38
votes
6answers
21k views

Split pages in pdf

I have a scanned pdf file which has scanned two pages on one virtual page (page in pdf file). The resolution is with good quality. The problem is I have to zoom when reading and drag from left to the ...
35
votes
11answers
31k views

How can I grep in PDF files?

Is there a way to search pdf files using the power of grep, without converting to text first in Ubuntu?
2
votes
3answers
88 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 ...
14
votes
4answers
27k views

pdf to jpg without quality loss; gscan2pdf

When I convert a pdf file to bunch of jpg files using convert -quality 100 file.pdf page_%04d.jpg I have appreciable quality loss. However if I do the following, there is no (noticeable) quality ...
17
votes
6answers
37k views

How to convert TXT to PDF?

I want to convert .txt files to .pdf. I'm using this: ls | while read ONELINE; do convert -density 400 "$ONELINE" "$(echo "$ONELINE" | sed 's/.txt/.pdf/g')"; done But this produces one "error" -- ...
15
votes
4answers
7k views

Is there some sort of PDF to text -converter?

I need PDF files to text so I can search over them in bulk from commandline. Is there some converter for Ubuntu, OBSD or similar distro? Perhaps related post, OCR with ubuntu here.
10
votes
1answer
578 views

How do I 'unbook' a pdf

I have a pdf file that was made into a booklet format. It is meant to print on A4 paper in landscape orientation; here are two pages in the pdf, which should correspond to four pages in the actual ...
4
votes
1answer
1k views

How to change height and width of each page of a pdf

I was wondering how to change width and height of each page of a pdf? In my scanned pdf, each page has paper size too big, 31.98 × 49.20 inch. I would like to shrink the width and height to smaller ...
4
votes
2answers
828 views

Extract even-numbered and odd-numbered pages of a PDF into two separate PDFs

I have a PDF that consists of several hundred pages of bilingual text. Since I need to use OCR on each language separately, I want to grab the even and odd pages and make two separate PDFs, using ...
25
votes
6answers
29k views

convert images to pdf: How to make PDF Pages same size

I did something like convert -page A4 -compress A4 *.png CH00.pdf But the 1st page is much larger than the subsequent pages. This happens even though the image dimensions are similar. These images ...
9
votes
4answers
2k views

how to merge pdf files so that each file begins on an odd page number?

I need to merge a few dozed pdfs, and i want all of the input pdfs to start on an odd page in the output pdf. Example: A.pdf has 3 pages, B.pdf has 4 pages. I don't want my output to have 7 pages. ...
3
votes
1answer
6k views

Merge several eps files into one PDF

I have several hundred encapulated postscript files, and I want to merge them all into one big PDF. How can I do this?
5
votes
2answers
6k views

Converting PDF to PDF/A?

Given a PDF of random origin, how do I, on Linux: confirm whether it is in PDF/A format already? if it is not in PDF/A format, convert it to PDF/A with a minimum loss of fidelity? I am aware that ...
4
votes
1answer
873 views

Implementing a String -> PDF Stamp tool

I wrote a little shell function which creates a fixed-size PDF file (A4) from a character string using gs: make_stamp() { file=$1 string=$2 tmp=${file}-small.pdf gs -o "$tmp" -sDEVICE=pdfwrite ...
3
votes
4answers
22k views

How to install Adobe Acrobat Reader in Debian?

I've got deb http://debian-multimedia.org squeeze main in "/etc/apt/sources.list", but wajig update && wajig install acroread results in: E: Package ‘acroread’ has no installation candidate ...
10
votes
4answers
1k views

Are there any full featured pdf readers that integrate comment function?

I'm needing reading some research papers whose formats are almost pdf.However I cannot find a good pdf reader which can make some notes while reading. Currently I use xournal however there seems not ...
6
votes
4answers
3k views

Text annotations and image additions to PDF file using free software

I'm mostly interested in annotating a PDF file with text at a predetermined position. GUIs and command line utilities are both Ok, but only free software solutions, please. However, I included image ...
5
votes
3answers
6k views

How can I convert a pdf file from gray-scale to black-white?

My OS is Ubuntu 12.04. How can I convert a pdf file from gray-scale to black-white? The gray-scale pdf file comes from scanning with gray-scale option, and the black-white scale pdf is required by ...
5
votes
2answers
6k views

pdf viewer for command line only

Is it possible to view pdf documents without having gdm (or similar) running? Rationale: I'm working on a remote server (assume no X forwarding) processing some data, creating some plots (assume pdf ...
2
votes
2answers
1k 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 ...
5
votes
1answer
299 views

Ways to convert and combine image files into a pdf file?

I have about 190 image files (png and jpg) in a directory. For more information, each image has 2500 x 3072 pixels, and about 500KB. I use the command convert from ImageMagik to convert and combine ...
4
votes
1answer
149 views

Shortcut to google selected text

Is there a way to customize evince to search on Google a selected phrase? Like in Firefox where I select a text and right-click--> "Search Google for ..." If evince isn't customizable, is there any ...
4
votes
1answer
1k views

Print PDF scaled-down and aligned

I want to print a PDF file with all pages scaled down equally (to, say, 70 %). The scaled-down pages should then be left-aligned on the printing paper. This doesn't seem to be possible with lpr ...
3
votes
3answers
546 views

How can I convert a scanned PDF with OCRed text to one without OCRed text?

I have a scanned PDF file, with low-quality OCRed text. I would like to have a PDF file without the OCRed text. How can I convert a scanned PDF with OCRed text to without OCRed text? I am thinking ...
3
votes
2answers
587 views

jpg to pdf without data loss

Trying to make such things: 1st step: convert img.jpg img.pdf 2nd step: pdfimages -j img.pdf img1 Comparing source and extracted images in HEX shows difference. How to make such conversion ...
2
votes
1answer
910 views

What happened to ePDFview‽

In my older Fedora installation (It's Fedora 20 right now, but I've been updating it since well before FC18), I'm using a rather minimal PDF viewer, called "ePDFview". It seems to be gone from more ...
2
votes
1answer
1k views

Change and save pdf annotation setting in Okular?

In Okular, I add inline notes to a pdf file. I change the default settings for inline notes: from default font "Ubuntu 13" to "Ubuntu 6", and from default opacity 100% to opacity 0%. But I ...
2
votes
1answer
535 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? ...
1
vote
0answers
152 views

Can htmldoc create multi-level pdf bookmarks?

I downloaded an online html book (http://www.cim.mcgill.ca/~franco/OpSys-304-427/lecture-notes/lecture-notes.html), by the following command wget -r -np -nH --cut-dirs=3 -p -k ...