{macros} is for questions specifically concerning TeX's macro processor. Note that, because TeX uses macros ubiquitously, most questions about code that uses macros are not looking for information about how macros work, and so are not appropriate for this tag.

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5
votes
4answers
127 views

Defining a macro a variable number of arguments

I want to define a macro that defines a series of other macros, each of which takes a variable (but in any given document fixed) number of arguments. I know that I can do this using something like ...
3
votes
0answers
40 views

Detecting currently running executable - and usage of Latex?

Somewhat in the similar vein as Getting Texlive version in pdflatex?, now I want to obtain the currently running executable inside a *tex run. Thanks to Write18: capturing shell (script) output as ...
0
votes
0answers
75 views

Wolfram Mathematica Functions in Lyx

Can I use all functions of mathematica in Lyx? I want to use functions like Solve[]
2
votes
3answers
57 views

Concatenating commands with arguments in a macro?

I want to read some lines from a text file, wrap a "style" which in this case is \texttt around each line, and as such concatenate it to a macro that I can use in the document. I came up with this ...
3
votes
2answers
38 views

Outputting/typesetting the names of (first-level) packages used in a document?

Consider this MWE, test-0.tex: \documentclass{article} \usepackage{filecontents} % tlmgr install filecontents \usepackage[utf8x]{inputenc} \begin{filecontents}{test-1.tex} \usepackage{tikz} ...
4
votes
2answers
205 views

How to add source information at bottom right corner of a figure in beamer?

I am inserting several figures into my beamer presentation that I did not create myself. Therefore I would like to add some source information with just a command, e.g. ...
1
vote
1answer
93 views

How to add \thanklessauthor to a KOMA Script document?

Well I'm working with a document in KOMA Script and I tried to use the \thanklessauthor command that I found in the code of the Sample book of Tufte-book class. First I thought it was a plain TeX ...
3
votes
1answer
86 views

Defining custom direct and inverse limits

I would like to define custom direct (a/k/a inductive) and inverse (a/k/a projective) limits, as used in category theory, for example. (Not the limit as used in calculus.) In other words, I'm looking ...
1
vote
1answer
34 views

\newcommand Error Either Way [closed]

I have two documents, both starting with \documentclass{article} \usepackage{Macros} \begin{document} where Macros is my own style file. There are no other packages or definitions in either of the ...
3
votes
0answers
87 views

Automatic dropcaps for the first letter of a chapter

I'm in the process of writing a LaTeX style for thesis dissertations, and would like to automatically transform the first word of a chapter to dropcaps. This is trivial to do manually using the ...
4
votes
1answer
28 views

Macro with optional arguments into arguments of another macro

I just want to pass as an optional argument, a macro with an optional argument. If you look at the minimal exampel below, if I use [scale=1] in the optional arguement of the new macro it does not ...
5
votes
2answers
152 views

New primitives and grammar for replacing horrible \expandafter

Time and time when I am trying to read or write some macros, I'm always frustrated by lots of \expandafters inside them. Why don't we add some new primitives and grammar into TeX engines to make ...
2
votes
1answer
57 views

How can I add title like command?

I am making a poster where I edited an existing style \setbeamertemplate{headline}{ \vskip4.5cm \hskip14cm \mbox{% \begin{minipage}[r][][c]{\dimexpr\textwidth-15cm\relax} ...
13
votes
6answers
753 views

Show only two year digits

How can I insert two digit year string? I know that the command \the\year inserts four digit year string. I tried using \twodigit\year, but it also returns four digits. I guess I need some kind of ...
0
votes
0answers
100 views

Gear or cogwheel tikz graphic

I found the code that permits the design of a gear. But what I want is to be able to Control the distance between teeth so I can increase their numbers. Fill each tooth with different colour. Be ...
4
votes
3answers
78 views

Print a macro I created in a package

Based on the answer I received to Print a short title in the header, I've created the macro \handoutheader in a .sty file I use as the template for my conference presentations. ...
0
votes
0answers
23 views

Custom sectioning below subsubsection : generic macro ? [duplicate]

I would like a to create a custom sectioning, the depth of which can be... very large. I am currently using this macro to create the subsubsubsection environment. \makeatletter \newcounter ...
7
votes
2answers
150 views

What internal command(s) does \hspace call?

I know that (by \hspace vs. \hspace*) the command \hspace* calls the internal commands \vrule width 0pt \nobreak \hskip 1cm \hskip 0pt plus 0pt minus 0pt but which command(s) does \hspace use? Is ...
13
votes
2answers
156 views

ifx, macros and grouping

I do not understand how \ifx interacts with macro definitions. Here is a minimal example: \def\a#1{\b} \def\b#1#2{[#1:#2]} \a ABC The output is [B:C], as expected. If I change the definition of \a ...
0
votes
0answers
35 views

Multiple references with letter

I want to group the range of references together with letter of the alphabet (i.e. [A.1-A.5] instead [A.1][A.2][A.3] or [A.1, A.2, A.3] and I know that I should use \usepackage{cite} for it. Documment ...
4
votes
1answer
49 views

Unescape command parameter

I'm using docutils to generate LaTeX files, with custom roles for using latex specific commands in the rst files. My problem is, that docutils automatically escapes underscores in the parameters of ...
2
votes
1answer
53 views

How to reuse common data elements for multiple macros?

I want to use macros to present different combinations of data elements from the same data set more than once in the same document. For example, it is easy to summarize the elements from Data Set A ...
6
votes
1answer
74 views

Customizing enumerated lists with tikz prints enumi instead of number

I'm trying to make an enumerate list that has the numbers inside a colored circle. For the circles I'm using the tikz package and the color package. I define a circle in the preamble and then I ...
5
votes
1answer
63 views

Macro that checks for the beginning of a line

How can I add a new command that differentiates between the first word of a line, and any other case? For example, the macro \etc for printing "etcetera" if its the beginning of the line, otherwise, ...
5
votes
1answer
33 views

How to create new accented character in mathmode that works with superscripts and under scripts

I'm trying to write a macro that would yield in math mode the placement of a character (for example, *) above a variable (here, x) with superscripts (^) and underscripts (_) similar to what LaTeX does ...
6
votes
1answer
190 views

custom hatching pattern : arbitrary direction of hatching

For a kind of mathematical illustration, consider the case where several distinguishable hatchings, all black and white, and precise direction has meaning, are required. I give a simple example of a ...
2
votes
2answers
305 views

“Undefined Control Sequence” error despite \newcommand definition!

I have installed texlive full package: I use TeXmaker and this is a code where I want to draw a grid as in tikzpicture. I want to just call the \gridkar function defined below. So I defined it in ...
3
votes
2answers
44 views

Compiler Error when Creating a Macro/Environment

I'm trying to create a new command or environment or something to format what is essentially a section, but it needs to have it's own counter. I would like to not use any of the \section \subsection ...
5
votes
1answer
58 views

Problem with underscores in \newcommand

I am currently writing my thesis and I have each chapter as a separate project- I've been told I should join them up but I don't want to for now as I would find it overwhelming. I'd like to be able to ...
1
vote
3answers
115 views

Parse csv-list, function with >1 parameters as callback

In my texts I have to deal with lists, whose items need to be formatted seperatly, i.e.: \funktion[3][]{T}--\funktion{S}--\funktion[3][7]{D}--\funktion{T} In \funktion which leads to \emphsubsup the ...
7
votes
1answer
136 views

Defining a new command works selectively

I have just created a new command that will print text in bold and blue using the following syntax \newcommand{\blue}[1]{\color{LHCblue}{\textbf{#1}}} My full code is ...
1
vote
1answer
168 views

“Theres no line here to end” in custom command

I am working on creating a resume in LaTeX and have defined a command that allows me to input my work experience. The only problem is that whenever I try to use an itemized list, as seen below, I get ...
4
votes
2answers
66 views

Using forcsvlist with macros that take more than one argument

I'd like to compact this code sample with \forcsvlist (provided by the etoolbox package). \newcommand\mycmd[2]{ \pagestyle{#2} \csname tit#1\endcsname \cleardoublepage } \def\DOtitlepages{ ...
3
votes
3answers
84 views

\input{} as argument for \inputgraphic{}

I got a question very similar to this post (\includegraphics{\input{|shell command}}) which unfortunately hasn't been really answered. The aim is to make a command that invokes a python script to ...
4
votes
2answers
83 views

Add content from an external file to the input tokens for parsing

I have a possibly very long sequence of tokens which is parsed by a macro. I would like to be able to read parts of this sequence from external files, if this is possible. I made up an MWE for this ...
2
votes
1answer
35 views

How can I apply a custom-defined theorem environment to nested theorems *only*?

In a previous thread, I asked about the possibility of defining a custom theorem environment whose QED symbol would be a boxed version of the theorem's name/number/label. There, I was graciously ...
9
votes
2answers
240 views

How to use \csname, \expandafter, \csuse, \@namedef …?

I have the following package \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{mypkg} \providecommand*\@mycmd{No {\MakeUppercase Mycmd} defined} \newcommand*\Mycmd[1]{\renewcommand*\@mycmd{#1}} ...
2
votes
2answers
82 views

Defining New Environments using a Command

I would be able to do something like the following: Instead of having the following, where I repeat the same code many many times: \documentclass{article} \usepackage{enumerate} ...
0
votes
1answer
156 views

Why does LaTeX macro spells \LaTeX{} (which requires Shift) and not \latex{}? [closed]

Why does LaTeX macro spells \LaTeX{} (which requires 3x presses and 2x releases of Shift) and not \latex{} (which can be typed w/o Shift)? Same about \TeX{} macro of course. The current spelling ...
2
votes
1answer
59 views

How to check if a macro from <some package> is used in a document?

I was interested in some method to check if any macro from some package is used into a .tex file. So, for example I would like to specify a package (say it's fontawesome) then point to a .tex file ...
4
votes
3answers
84 views

Newline is not working with parbox and usebox

I would like to save data to a savebox (or any other storage element) in iterations. At the end I would like to put each datapoint in a framebox and then in a frambox container with a given width. ...
0
votes
0answers
29 views

Can't make unit vectors with greek letters [duplicate]

I have this command \let\oldhat\hat \renewcommand{\vec}[1]{\boldsymbol{\mathbf{#1}}} for making bold vectors. And have this commands here \newcommand{\uvec}[1]{\hat{\textbf{#1}}} ...
8
votes
2answers
99 views

Why is the character following this macro-defining macro gobbled up?

I have the following plain Tex code: \def\xx{ABC} \def\temp #1 {\def\tempii{#1}} \temp\xx a b c \tempii\tempii I expect to see the following output: a b c ABCABC But I actually see this: b ...
3
votes
1answer
42 views

Add newcommands to a package with arguments

I want to make a package that has a bunch of commands that I define in all of my Problem Sets. I'm running into an issue where the compiler does not recognize commands that I define that have an ...
2
votes
1answer
86 views

How to load user defined content to be used in a template?

I'm writing a template which uses the report class and customizes the typesetting with several packages. I'm defining some data in a separate user-data.tex file which is loaded just after ...
5
votes
1answer
304 views

destructive code by style file

I'm making a certain program, which is calling LaTeX. I'm thinking that this program can include only one style file. My question is "can we write destructive code in style file?". For example, can ...
9
votes
2answers
155 views

Macro to add starred version of command

How can one write a meta-macro that adds a starred version to a command? Intended use would be along the lines of \newcommand\foo[1]{foo is #1} \addstarred\foo[2]{foo is #1, bar is #2}
0
votes
3answers
84 views

Redefine \chapter and \chapter* with \cleardoublepage inside .cls-file

\newcommand{\Chapter}[1]{{\let\cleardoublepage\relax\chapter{#1}}} works fine. How can I do the same for the stared (*) version inside a .cls-file? (Could be interesting for others: Is there any ...
3
votes
1answer
35 views

macro with optional argument in eforms textField

This is my code: \documentclass{article} \usepackage{polyglossia} \usepackage[useui]{eforms} \newcommand{\myvalue}[1][]{Testvalue #1} \begin{document} ...
5
votes
2answers
91 views

Matrix of values as parameter for a macro

This is my code: \documentclass{article} \usepackage{polyglossia} \usepackage{forloop} \newcommand{\values}[2]{ \ifcase#1% \ifcase#2% value a% \c% value ...