Whitesace in Leading Zeroes in Enumerate Environment

Question

I've been trying to make an enumerate environment with this format: "N09 P###.", where ### is a list of zero-padded items from 1 to 200 (001-200). I was using this answer to help me with this, but it puts a space between "P" and "###". While trying to find another solution, I found this answer that allows for 2 zero-padded digits, but it doesn't work when I try to convert it to three digits. If anyone can help me with this, it would be greatly appreciated.

Image of what my PDF currently looks like:

Simon Dispa · Accepted Answer · 2022-06-23T16:33:32.257

0

This is based on your first link.

\documentclass[12pt, a4paper]{article}
\usepackage{enumitem}
\def\threedigits#1{% 
    \ifnum#1<100 0\fi 
    \ifnum#1<10 0\fi 
    \number#1.} % <<<<<<<<<<<< dot added
\begin{document}
\begin{enumerate}[label={\textbf{N09\ P\protect\threedigits{\theenumi}}}, leftmargin = *]%&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; changed
    \item 
    \item   
    \item
    \item 
    \item 
    \item   
    \item
    \item
    \item 
    \item   
\end{enumerate}


\end{document}

edited Jun 23 '22 at 16:33

answered Jun 23 '22 at 16:27

Simon Dispa

39,141

Thank you so much! – Hussein Esmail Jun 23 '22 at 16:48

score 0 · Answer 2 · answered Jun 23 '22 at 17:03

I'd register a new numeric representation and define a new environment.

\documentclass[12pt, a4paper]{article}
\usepackage{enumitem}
\makeatletter
\newcommand{\arabicthreedigits}[1]{\expandafter@arabicthreedigits\csname c@#1\endcsname}
\newcommand{@arabicthreedigits}[1]{%
  \ifnum#1<100 0\fi
  \ifnum#1<10 0\fi
  \number#1%
}
\AddEnumerateCounter{\arabicthreedigits}{@arabicthreedigits}{000}
\makeatother
\newenvironment{doubleenumerate}[1]
 {\begin{enumerate}[label=\bfseries N#1 P\arabicthreedigits*,leftmargin=7em]}
 {\end{enumerate}}
\begin{document}
Some text before the enumerate environment
some text before the enumerate environment
some text before the enumerate environment
\begin{doubleenumerate}{09}
  \item\label{x} abc
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item
\end{doubleenumerate}
\end{document}

If the first part is to have a progressive number, you can do as follows.

\documentclass[12pt, a4paper]{article}
\usepackage{enumitem}
\makeatletter
\newcommand{\arabicthreedigits}[1]{\expandafter@arabicthreedigits\csname c@#1\endcsname}
\newcommand{@arabicthreedigits}[1]{%
  \ifnum#1<100 0\fi
  \ifnum#1<10 0\fi
  \number#1%
}
\newcommand{\arabictwodigits}[1]{\expandafter@arabictwodigits\csname c@#1\endcsname}
\newcommand{@arabictwodigits}[1]{%
  \ifnum#1<10 0\fi
  \number#1%
}
\AddEnumerateCounter{\arabicthreedigits}{@arabicthreedigits}{000}
\AddEnumerateCounter{\arabictwodigits}{@arabictwodigits}{00}
\makeatother
\newcounter{doubleenumerate}
\newenvironment{doubleenumerate}
 {%
  \stepcounter{doubleenumerate}%
  \begin{enumerate}[
    label=\bfseries N\arabictwodigits{doubleenumerate} P\arabicthreedigits*,
    leftmargin=7em
  ]%
 }
 {\end{enumerate}}
\begin{document}
Some text before the enumerate environment
some text before the enumerate environment
some text before the enumerate environment
\begin{doubleenumerate}
  \item\label{x} abc
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item 
  \item
\end{doubleenumerate}
Some text before the enumerate environment
some text before the enumerate environment
some text before the enumerate environment
\begin{doubleenumerate}
  \item
  \item 
\end{doubleenumerate}
\end{document}

Whitesace in Leading Zeroes in Enumerate Environment

2 Answers2