Tagged Questions

{comma-separated-list} is a data format consisting of fields, most commonly separated by commas

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4
votes
2answers
88 views

Processing “List” of “List”

I implemented a short macro that processes a comma separated argument list to format them. So by calling \macroa{ABC, DEF} it will format the text to ABC DEF Now what I would like to have is ...
1
vote
3answers
112 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 ...
1
vote
1answer
66 views

Programming language-like syntax for nested lists

Consider the following code that simply nests two lists using the \ForEach command: \documentclass{article} \usepackage{forarray} \newcommand{\demo}[1] { \begin{itemize} \ForEach{.}{\item ...
5
votes
1answer
76 views

csuse with foreach

Am having difficulty determining the correct syntax for using \csuse from the etoolbox package with a \foreach. I have a list, and for each element in this list I need to create a new list. To ...
6
votes
3answers
214 views

Long List of Files Names with Paths

I need to keep a list of files (max of around 500) along with the path. Based on the fact that each file name and path could be up to 100 characters, should I just save it in a comma separated list ...
4
votes
1answer
90 views

Extract from a token containing a list with math content

I have a token which contains a list consisting of: a date in YYYY-MM-DD format, followed by a colon, and some text which may contain math. The text will consist of a sentence or two (i.e., no ...
4
votes
2answers
145 views

How to use { and } as delimiter instead of active character in this example

How to use { and } as delimiter instead of active caractere in this example ? I'd like [360] [90] [7,2] as output of foreach command instead of this. I need a string foreach compatible, splited on ; ...
3
votes
2answers
93 views

Generate comma separated list with some non-empty strings

I'm trying to generate a comma separated list that uses strings that may or may not be empty. For example \mylist{\stringA,\stringB,\stringC} would expand to A, C if B is empty or B, C if A is empty, ...
3
votes
1answer
56 views

Beamer and a for each loop

I'm using the beamer presentation package and trying to combine the examples from this post How to iterate over a comma separated list? with the beamer package. In modifying the top example, chaning ...
3
votes
1answer
99 views

Check if a number is in a comma separated list (print or display selected sections from a specific list)

I'm trying to check if a section number belongs to a specified list: \ifnum\value{section}=\mylist % check if section number in mylist --- WRONG \dosomething \fi The conditional is ...
35
votes
10answers
3k views

How to iterate over a comma separated list?

How can I iterate, loop, process, or otherwise do something, with each element from a comma separated list of things? This question has been asked perhaps many many times, and the are already lots of ...
6
votes
1answer
131 views

Macro expanding to comma separated list

I'm trying to use a macro for pgfplotstable labels but the macro is treated as a single entry of a csl rather than a csl. The Question asked in Using a macro as value of addtotoc in \includepdf ...
11
votes
2answers
417 views

How do I put card backs on my cards?

I have a a document that is making me sheets of cards. A stripped down, almost minimal example looks something like \documentclass{article} \usepackage[utf8]{inputenc} %Needed for input ...
8
votes
2answers
204 views

How do I process a comma separated list passed through a command

When passing a comma-separated list the commas are ignored, i.e. the list becomes a single item and I can't seem to find a way to prevent this. What should I do so that TEST C in the attached code ...
5
votes
1answer
57 views

Is there any way to add a key to a sub/module in l3keys?

I need to loop through a comma-separated list, creating them all as keys for a data structure. I can't think of a way to loop through the keys inside \keys_define:nn, so the only other option I see is ...
2
votes
1answer
78 views

What is the right number of #’s for nested sequence mappings?

Im trying to nest two sequence mappings, which works so far but I want to use them inside a command definition so the <items> should be accessible as ##1 and ###1 but this won’t work. Is it ...
11
votes
2answers
191 views

How to process a list and ignore spaces?

This question is part of a new package: metrix. Typeset metric/prosodic symbols standalone and above syllables. I’m wrinting a new package and I need to process a list (using etoolbox at the ...
8
votes
4answers
469 views

Decimal separator and axis label centering with Tikz

The following code creates a figure with Tikz without the use of pfgplots (that I want to avoid here): % compilation: pdflatex --jobname=Runge-f1 Runge.tex \documentclass[12pt]{book} ...
1
vote
0answers
39 views

Math lists: commas inside or outside of math mode? [duplicate]

I am wondering whether to use that (1) $A_{a}, B_{b}, C_{c}$ # comma in math mode or that (2) $A_{a}$, $B_{b}$, $C_{c}$ # multiple math modes, comma outside math mode Any good reasons for ...
23
votes
10answers
1k views

Get the head, the tail, and the last element of a comma-separated list

I have a comma-separated list, stored in a macro. It is non-empty, and it has commas between the elements but not at the start or end. How can I get: the first element (a.k.a. the "head")? the last ...
4
votes
1answer
161 views

Append two lists for TikZ foreach loop

How can I make a TikZ foreach loop iterate over two lists consecutively? I had hoped that in my code below, the expression \firstlist,\secondlist would evaluate to 2,3,5,7,1,4,6, but it doesn't work. ...
8
votes
2answers
332 views

PDF keywords from Expl3 clist

I’m trying to add PDF keywords to my résumé. In the custom class file, I have these lines: \clist_new:N \jcsres_keywords_clist \NewDocumentCommand \keywords {m} { \clist_gset:Nn ...
19
votes
2answers
335 views

Difficulty with macro expansion

I'm not getting the output I want from my LaTeX code, and I think the problem is that I'm not expanding things at the right times. Code \documentclass{article} \usepackage{tikz} ...
7
votes
2answers
157 views

Deleting an element from a comma separated list

In this answer we learnt how to remove the n-th element from a comma-separated list. How can I remove an element from a list by its value, rather than its position? For example: if my global variable ...
2
votes
1answer
188 views

Compare two comma separated lists

Hi I would like to compare two comma separated lists. \documentclass[a4paper]{article} \usepackage{comment} \usepackage{ifthen} \usepackage{xargs} \usepackage{xkeyval} \usepackage{xfor} ...
7
votes
3answers
139 views

Sorting to match a given list

I am looking for ideas on the following task. I want to sort the entries in \listb to those in \lista. It cannot always be assumed that only the elements of \lista are in \listb; neither can it be ...
3
votes
2answers
72 views

Reading arguments in a command?

I now know that if I want to get for example the 3rd argument passed to a command, I have use #3. My question is if this argument is an array how can I read elements of array without a for loop? For ...
18
votes
4answers
507 views

Comma delimited list - how to obtain the length?

It's simple. I have a list like {0,1,54,1,3} as input argument to a command in making. How can I obtain the length of this list? Something like \length(#1) where #1 is the list.
9
votes
2answers
274 views

Confusion regarding strings and numbers in tikz

I'm using a macro that uses \StrBetween from xstring It seems to be working great. However, when I try to use a value that it returns as a coordinate in a tikz picture, I get a confusing error. ...
7
votes
1answer
163 views

Getting a random sublist from a given list

The etoolbox package provides macros to handle list, which can be useful to package/class writers, however it miss macros to get random sublists. So I want to define the following macros: ...
3
votes
1answer
72 views

List Version of \str_if_eq

I am using \str_if_eq:xxTF{\A}{\Target}{<true>}{<false} to execute the <true> or <false> code if \A=\Target. What is the list version equivalent of this? So I am looking for ...
10
votes
2answers
209 views

How to set class options that can have multiple values?

Title says it all, but here's an example: the KOMA-Script classes provide the option toc which can have multiple values that don't interfere with each other, like values that enable the Bibliography ...
5
votes
2answers
176 views

List delimited by commas (not lines)

Note: Comma delimited lists is not a duplicate. What I want to do is have a list environment of items, like itemize and enumerate, but I want the output to be delimited by commas instead of new ...
5
votes
2answers
874 views

Iterating through comma-separated arguments

I've looked all over and can't seem to find a succinct answer to this question. Is it possible (and if so, how) to create a command that will iterate through its `arguments' of comma-separated values ...
17
votes
2answers
523 views

Selecting random elements from a comma separated list

I would like to have a command (either user-defined, or from a package, or whatever) that has the basic form: \selectNrandom{N}{list, of, comma, separated, elements}{code to execute} which will ...
11
votes
4answers
746 views

How to make a recursive Latex macro with comma separated argument list

I would like to make a macro that takes two arguments, the second of which is a comma separated list and then produces a nested commutator of argument1 with each entry of argument2. I've been ...
6
votes
3answers
159 views

Expansion issue when adding to CSV list from within a \foreach

Another expansion issue that I am unable to guess at the correct combination of \edef/\expandafters to get to work. Background: Below I have defined \AddToCommaSeparateList which uses \g@addto@macro ...
7
votes
3answers
657 views

parse variable length comma separated list into command

I've been trying to modify the solution here into a LaTeX3 command that takes a variable length comma separated list of numbers and an optional argument (a unit) and prints the square root of the sum ...
13
votes
3answers
600 views

Get n-th element of a list (with etoolbox, or not)

I'm defining a list and I need to obtain the n-th element of this list. I was surprised that etoolbox doesn't provide a way to obtain it. The way I found to obtain the n-th element is along these ...
11
votes
1answer
205 views

Using etoolbox to automatically generate input for \xymatrix

I'd like to make a command \exactseq such that, for example, \exactseq{A,f,B,g,C} corresponds to \xymatrix{A \ar[r]^{f} & B \ar[r]^{g} & C} and such that this works for inputs of ...
4
votes
1answer
250 views

Comma in macro parameters

I have a macro accepting several optional arguments in a comma separated list. I would like to assign a value containing a comma to a particular argument. Is there a way to "escape" this particular ...
6
votes
1answer
164 views

Problem with old ConTeXt separated list example

I have been trying to get the following small example from ConTeXt garden to work without success. \starttext \usemodule[database] \def\SendMe#1#2#3#4{\framed [align={flushleft,lohi}, width=4cm, ...
3
votes
1answer
522 views

How to create a comma-separated list in LaTeX according to the number of elements in another list?

I have been looking for a way to create dynamically a comma-separated list consisting of n entries, all entries equal, defined by \newcommand\mytext{species:} (example) and n being the number of ...
19
votes
7answers
729 views

How to define a command to feed the contents of a list into an \ifcase construct?

It's common to use an \ifcase construct to redefine a command depending on the value of a counter. The following example illustrates this: \documentclass{article} \usepackage{xcolor} ...
12
votes
1answer
501 views

Sorting Comma Separated Lists defined with, or without macro

I would like to be able to sort a comma separated list. Before I resort to writing something that would require \ensureunix :-) and having that do the sort for me, I thought I'd make an attempt to ...
4
votes
2answers
381 views

Cutting a table to fit the available space on a page

I have a long list of data, in a CSV file, formatted like this: tiger, 300, 10.0, 7, 4.0 lion, 200, 15.0, 5, 3.0 bear, 100, 15.0, 3, 1.0 fish, 10, 10.0, 2, 0.1 The first rows are more important ...
8
votes
2answers
151 views

Mapping a macro onto multiple lists simultaneously

I have a macro (say \myMacro) that takes three arguments (say a, b, c) and I want to write another macro (say \otherMacro) that given three lists of parameters (comma delimited lists and all of the ...
5
votes
2answers
585 views

Replacing matching text with a macro containing information from a CSV file

I have some data stored in a CSV file, in this manner: 000000001 @ name @ information @ more information @ some more information I also have a information.tex file containing the numbers from the ...
7
votes
1answer
580 views

How to process a comma separated list?

Using receipt of "LaTeX3: unable to convert space separated list into clist" I elaborated the following code for my needs: \documentclass{book} ... \usepackage{expl3} \begin{document} ...
6
votes
1answer
301 views

Why am I processing a comma-separated list incorrectly when using etoolbox and kvoptions?

I'm trying to pick something out of a list that has been passed from some package options by kvoptions, but docsvlist doesn't appear to be recognising the commas. I suspect this may be something to ...