{conditionals} is about macros like \if and \ifx that may execute other macros depending on whether certain conditions are true or not. Popular packages are {etoolbox} and {ifthen}.

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19
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255 views

Test if paragraph has an overfull line

I'd like to test if the last paragraph has any overfull line. The naive approach of looking at the \badness once the paragraph is finished does not work, as it will only give the badness of the last ...
4
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70 views

Checking environment in order to end it

I used to typeset verse with memoir package using some heavy \vspace trickery. The verse environment was too hard to control in terms of vertical space due to the immense amount of obscure glue. For ...
3
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36 views

How can I efficiently create variants of a conditional?

Say I have the following: \prg_new_conditional:Nnn \sean_cond:n { T,F,TF } { \prg_return_false: } How can I efficiently create the following? (This list is arbitrary.) \sean_cond:nT \sean_cond:nF ...
3
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66 views

Insert or apply a decision structure to sequence or list

I would like to make the function calls \findLargest in the MWE below a little more dynamic and compact. As demonstrated in the example below, I can store glossaries values and include them in the ...
3
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0answers
34 views

Problems in using the spreadtab and the ifthen packages

Using the spreadtab package for some computing, I have to write an expression (mixing of literal and numerical expressions) if some conditions are true. Using the ifthen package, all works well for a ...
3
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106 views

\if and \fi inside different \def macros

Recently I failed to solve specific task in LaTeX. I wanted to make document with several sections, each divided on several subsections. Each section I had placed to separate files, and used \input ...
3
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366 views

Conditional formatting, rounding and postprocessing of a column in pgfplotstable

I want to round p-values in a table to two decimals (for example 0.05), have values less than 0.05 in bold font and have values less than 0.01 to come out as '<0.01' in bold font. Like this (the ...
3
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73 views

how to add conditions inside itemize list?

List mentioned below is having three items. There are four variables : 1] varone 2] vartwo 3] varthree and 4] sub ; which are coming from external CSV file. Item 2 with "Value B" will be displayed if ...
2
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12 views

Robust handler of arguments with conditionals and complex elements

Context This question is a follow up of the answer of this question Spurious space on moderncv \cventry using \if Problem The problem is that complex content (for example, itemize on the content of ...
2
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27 views

\ifbeamer@anotherslide and \ifbeamer@localanotherslide in beamerbasedecode.sty

At the beginning of the source file beamerbasedecode.sty of beamer class, two switches are defined: \newif\ifbeamer@anotherslide \newif\ifbeamer@localanotherslide By reading beamerbasedecode.sty ...
2
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222 views

Constraint for a decoration: how to know result after decoration

My question is kind of extending of this answer. I want to decorate a path with text only when text fit the path, but also I want to know if decoration was success. I need to know this to be able to ...
2
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230 views

Why can't I get a conditional command to work in a macro invoked within a tikzpicture?

I wanted to create a macro that can be invoked in the middle of a tikz path and behave differently, conditional on one of the arguments. Here is an example document: \documentclass[a4paper]{amsart} ...
2
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225 views

Knitr/LaTeX: conditional execution based on external parameters

I'm using knitr to create LaTeX documents with integrated R code. Now I'd like to readout some external parameters (saved in a TXT or CSV file) and create a document based on the conditions specified ...
1
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0answers
54 views

Ending a tikzpicture environment in conditional causes “Missing } inserted”

I want to create a number of tikzpictures. I have a number of items I want to draw. Each tikzpicture takes up a whole page and may contain up to 4 items. (It is not good enough to to have each item in ...
1
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98 views

Conditional spacing based on length of chapter title

In LaTeX, (or possibly XeLaTeX), how can one achieve the following: A double spacing a 1- or 2-line chapter title, and single spacing under a 3- or more-line chapter title. A triple space ...
1
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38 views

Creating multiple output files, with content that depends on a variable

I'd like to write a template for a letter, which is meant to be sent to many people. Thus, the content should change slightly depending on who is the addressee. For instance, I imagine that the ...
1
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0answers
67 views

Special conditionals (TeX)

Is there a way to compare strings rather than single tokens? Is there a way to check if a parameter in a command is a string or a single character? If there is either, how do I?
1
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0answers
55 views

Indicating that the adjustwidth environment should be placed around text

I've been trying to work out a solution to this question about changing margins for body text without changing header/footer placement. Using the changepage package, I was able to work out the ...
0
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0answers
41 views

How to change margins based on paper size?

My document uses US letter: \ProcessOptions\LoadClass[letterpaper,twoside]{report}, with the following margins setup: \geometry{tmargin=25mm, bmargin=25mm}. Now, if I change the paper size option ...
0
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26 views

ifthenelse in adress of letter

I write a letter with \documentclass[a4paper,12pt,addresshigh]{dinbrief} The letter itself starts with \begin{letter}{\Anschrift} and \newcommand{\Anschrift}{% \textbf{\Firma}\\ ...
0
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0answers
44 views

Conditionally prepend text to chapter title in TOC

I want to prepend some text to chapter titles on the TOC according to certain conditions. For example (this doesn't work): \documentclass[letterpaper,openany,oneside]{book} ...
0
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0answers
26 views

conditional text triggered by form

I need to build a form, with different questions, each question with boxes to be checked - this part is easy, and I have been using eforms package for such task. But this specific form needs to ...
0
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44 views

Output two files

I'm tiring of maintaining two different CV and resume .tex files and want to combine them into a single file. I'm considering etoolbox as a way of combining my CV and resume into the same. Then I ...
0
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0answers
76 views

How do I add multiple macro definition inside an \ifbool compound statement?

What follows is my example doofus.sty: \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{doofus}% [2014/01/01 v0.01a LaTeX doofus package]%\filedate\space\fileversion\space \typeout{Package doofus, \csname ...