{external-files} is about external files included in a document, e.g., pictures via \includegraphics, or parts of a document via \input or \include. For questions about files automatically generated by LaTeX (.aux, .log, .out, .toc, ...) use {auxiliary-files}.

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69
votes
3answers
28k views

How to include graphics with spaces in their path?

I want to import graphics into my main input file using the macro \includegraphics. It does not work if the filename contains spaces. Include image with spaces in path directory to be processed with ...
66
votes
3answers
37k views

Cross-referencing between different files

I want to cross-reference between different .tex files, just because I want to put every chapters separately. Let's say in file chapterI.tex I have \label{a} and I want to access this in file ...
23
votes
4answers
7k views

How to iterate through the name of files in a folder

Assume I have many TeX files. For the sake of simplicity, also asssume they are in a single folder or directory. I want to input all files from within my main LaTeX document. Actually I can create a ...
54
votes
12answers
32k views

Deleting external/auxiliary files?

Is there a way to make TeX delete files? In my document a lot of auxiliary files are created and it would be wonderful to have them removed after their content has been used.
29
votes
2answers
3k views

Graphics file extensions and their order of inclusion when not specified

When using graphicx's \includegraphics you can specify the file extension or not. For generic use and perhaps portability, extensions are commonly dropped. The types of "approved" inclusions and their ...
59
votes
3answers
10k views

Can I use an image located on the web in a LaTeX document?

I have tried \includegraphics{http://www.site.com/path/to/figure.png} But this returns the error ERROR: Package pdftex.def Error: File `http://www.website.com/path/to/figure.png' not found. ...
17
votes
3answers
3k views

Drawing different tikz shapes parameterized by data from a file

I have a file with three columns of data, x, y, r. # x y r 1 1 0.1 2 2 0.5 3 3 1.2 and so on. I'd like to loop over the rows, and draw a circle at x,y with radius r for each row. I first thought I'...
41
votes
3answers
13k views

How to influence the name of the pdf file created with pdfLaTeX (from within the source code)?

I have a source file called 2011-05-27_Myfilename.tex and I'd like to create a PDF file from it called only Myfilename.pdf. Can this be configured from within the .tex file itself? (It seems to be ...
20
votes
2answers
8k views

referencing labels from other files [duplicate]

Sometimes I want to refer (using \ref) a \label from some other tex file. What is the right way to do it? (It's, of course, possible to \include all files in one and then use \includeonly — but it ...
62
votes
3answers
15k views

Outsourcing TikZ code

My Tex files get very confusing since I have multiple long TikZ code in them. How do you organize your files when it comes to TikZ?
22
votes
4answers
5k views

Create list of all external files used by master LaTeX document?

Is there an easy way to create a list of all external files (complete path) which are used by a LaTeX document (and its "sub-documents") by \input \include \includegraphics ? (may I have forgotten ...
16
votes
6answers
1k views

Automating quoting across LaTeX documents

I occasionally face the following situation when writing LaTeX documents. (This question is probably not LaTeX specific, though). Suppose I have a document, say orig.tex. Then I quote from that ...
14
votes
1answer
529 views

Can Footnotes reside in another file?

I want to know if is there a possibility/method/package, by which I can uniquely label all footnote positions in book.tex. And another file, footnote.tex, containing the footnotes and matching labels, ...
9
votes
1answer
2k views

Include figure (from macro) with underscore in filename

I have a system of where a .tex is generated from a program. The final .tex file has a (simplified) structure like this: \newcommand{\PlotFrame}[1]{% \begin{frame} \frametitle{...} ... ... \...
5
votes
1answer
3k views

Spaces in files names in \input or \includegraphics

I'm going crazy... I have a file I want to include which path is C:\Users\Matthieu\Documents\Folder withOneSpace\myFile.tex. (As you can see with the \, I'm on windows actually) I tried the ...
4
votes
2answers
641 views

Read integers from external data file to document programming code in LaTeX

I am attempting to document my MATLAB programming code in LaTeX. For this, I use the mcode package, which defines the MATLAB lstlisting environment. With the commands \newcommand{\mfileMain}{main.m}...
44
votes
6answers
25k views

.bib library file in a different directory, how to use? (Mendeley centralised .bib file)

problem Hello All, I have the possibility of a centralised, updated .bib file using Mendeley Desktop. This file will stay updated with all the changes I make using my Mendeley citation software. I ...
32
votes
6answers
2k views

Is it possible to write all mathematical formulas in a separate file and add them in main file on-demand?

Consider this scenario: I have a report to write and I want to write all mathematical formulas in a separate file and then add them in the main report file on demand (i.e. include/import/add/call a ...
15
votes
1answer
2k views

How do I make an attached file display like a link?

I'm embedding an external file in my pdf with \usepackage{attachfile2} and\textattachfile[color=1 1 1]{description}{file.pdf}. How can I make the text look the same as it would if I had used the ...
14
votes
3answers
1k views

How can I open a file in “append” mode?

Could not find anything in the TeXBook, but this could be just me. I guess it is always possible to open the file for reading, copy its content to another file, and then continue writing to that file....
11
votes
1answer
7k views

pgfplot: Datafile format for datetime field

I have a datafile (which I may manipulate to any format), it contains a date-time stamp currently in the form "year-month-day hour:min" and a single variable for each recorded time. When I attempt to ...
18
votes
2answers
6k views

Where can I put biblatex style modifications?

Guidelines for customizing biblatex styles says: Finally, assuming that I'll want to use my style adjustments in a multitude of documents: Where do I put the relevant macro stuff? The ...
12
votes
4answers
907 views

Check for a valid file before using \includegraphics

I know how to check if a given argument represents an existing file (see this question). But is there also a possibility to check if this file can be included by \includegraphics? What I want to ...
5
votes
1answer
445 views

Using a non-centralized structure for tex files - similar to \graphicspath

I have a fairly large document, that I have picked apart into different sections etc, each in their own file. To include graphics that are not in one central directory I use \graphicspath which works ...
4
votes
3answers
486 views

Can i automatically load chapters and sections based on the filesystem?

I was interested in knowing if i can load chapters and sections of my book based on the filesystem. For example: Chapter 1/ Section 1.tex Section 2.tex Section 3.tex Chapter 2/ Section 1.tex ...
14
votes
1answer
2k views

Use bibliography numbers and citation from other file

This question led to a new package: xcite I want to reference to citations from other file. Similar to what xr package does to labels, but I want to apply it for the bibliography. If I'm able to ...
7
votes
1answer
18k views

Link to local (PDF) file [duplicate]

Possible Duplicate: Does hyperref work between two files? I want to make a link in LaTeX to a PDF file on my local network drive, i.e. when you click on it then Adobe Reader should open and ...
7
votes
1answer
623 views

After MiKTeX update when using LuaLaTeX: Package pgf Error: Driver file ``pgfsys-luatex.def'' not found

I just updated my MiKTeX instance to the latest packages and am using the LuaLaTeX compiler. Whenever a document relies on pgf I get the following error: ! Package pgf Error: Driver file ``pgfsys-...
7
votes
2answers
713 views

Get number of pages of external PDF

Is there a possibility to get the total number of pages of an external PDF file within a LaTeX document? Assuming that there exists a PDF file test.pdf with 8 pages in the same directory my LaTeX ...
15
votes
1answer
856 views

How do I create a macro which reads the content of a file when the macro is defined?

I am trying to do something like: \newcommand{\sometext}{\input{somefile.txt}} This works, but requires inputting the file every time the macro is used in the document. I would like to know a way ...
2
votes
2answers
71 views

File Path with Symbol Causes Error

I foolishly included a # (number symbol) in a file path. Whenever I reference this it generates the following error: Illegal parameter number in definition of \reserved@a. [.../Paper#1/2016-02-14/...
8
votes
4answers
2k views

Using external tables in TikZ

How do I use tabela.xls as a data source to a LaTeX table or even a table made with TikZ with the following command? Note: I wanted to use tabela.xls as a data source for multiple files. Tex and that ...
25
votes
1answer
6k views

Can I test if a file exists? [duplicate]

Can I somehow test if a file exists? And can I use this to do only things when it exists? I like to do something like if(exist('members.csv')) { do something }
21
votes
4answers
1k views

How to increase the TeX open file limit?

I noticed that TeX has a open file limit, while using some additional bibliographies with multibib, using hyperref, backrefs and so on (basically only 5 additional newcites were possible in that ...
7
votes
3answers
2k views

pgfplots: 3D surface plot from data with free format

I want to plot 3D data from a file (data file) using pgfplots. The data represents an ellipsoid. I want to draw the outer shell like in the following picture, just without the background and in ...
15
votes
3answers
572 views

Need help creating a custom aux file read/write routine to suit my needs

I require two new commands, \createreference and \citereference, to work with. They should work as shown in the following examples: \createreference{john}{John Q. Citizen} should write the text “John ...
10
votes
6answers
441 views

How can I '\input' a file without getting the implicit newline?

Intro I'm working on a lightweight package that allows you to put any content (typically LaTeX code) in an environment, then use that content multiple times, each time scanned separately, so you can ...
11
votes
4answers
23k views

Inserting a .EMF file into a LaTeX document.

I had a question about a file extension I was dealing with after creating a graphics file using the computing software Maxima. When I created the plot I wanted, I saved the file and it saved as a .EMF ...
13
votes
2answers
1k views

How to avoid automatic .tex extension in filenames?

I am in an mildly unfortunate situation in which, because of the way I prepared the files automatically, I ended up with a file to be attached but also another file with the same name but ending in ...
10
votes
3answers
19k views

Using \import correctly

I've got a main-file which includes the preamble. I then use \import to put together all chapters of my final document. When saving the main-file in another directory than the chapter-files I get the ...
7
votes
1answer
9k views

Including XML file into LaTeX

I am using LaTeX for very first time and have very basic knowledge about it. I am using the template from here to write my thesis. I am using Ubuntu 12.04. When I try to include a small XML file in ...
6
votes
1answer
2k views

pdfpages and linktodoc

I'm trying to link to a specific page in an external document. This has been discussed previously under the topic, How to link to specified page of an outer pdf document?, and the answer suggests ...
20
votes
2answers
1k views

What are the allowed characters in filenames?

What characters can be used in filenames for the main document and input files, both .tex and images etc.? I'm not asking about which are recommended to be used, but about a list of all possible ...
11
votes
2answers
1k views

Listings line numbers that match the linerange specification

This is a follow-up question to First line number in lstinputlisting environment. Consider the MWE: \documentclass{article} %\usepackage{etoolbox}% http://ctan.org/pkg/etoolbox \usepackage{...
8
votes
2answers
2k views

Using the xr package in LyX (for cross-referencing an external LyX document)

Question: What steps are required to use the xr package in LyX in order to reference items in other, independent LyX documents? Steps already taken: The tools package (that contains the xr package) ...
2
votes
2answers
553 views

How to detect a blank line inserted by TeX when reading an external file line by line?

I want to make a macro to import all TeX input files in a directory in which the input file containing the macro exists. When reading an external file, TeX appends a blank line to the last iteration. ...
2
votes
1answer
155 views

How to write authors of an article to the file?

I have a macro \writetitletofile which is write title of the article to the .dat file. How can I do the same with authors of an article. It should be noted that list of authors create with authblk ...
14
votes
2answers
1k views

Parsing files through LuaTeX

This question has two parts: How would one generally parse a file with LuaTeX, assuming the file only holds data that is delimited either by spaces, commas or semicolons. How would you parse the ...
20
votes
1answer
18k views

How do I import a text file so that it becomes the body text of my LaTeX document?

I want to completely separate formatting and content creation. The articles I will write are all plain prose that requires minimum or zero LaTeX formatting. Also, the text file doesn't have the one-...
17
votes
1answer
3k views

How can I pass underscore to \newcommand properly?

I'd like to simplify my code appendix with this command definition: \usepackage{listings} % ... \newcommand{\CodeListing}[1]{% \lstinputlisting[caption=#1]{#1}% } That is, the caption should be ...