\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{njones}
\pdfinfo{
  /Title (grep.pdf)
  /Creator (Cheatography)
  /Author (njones)
  /Subject (Grep Cheat Sheet)
}

% Lengths and widths
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\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Grep Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{njones} via \textcolor{DarkBackground}{\uline{cheatography.com/82085/cs/19596/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}njones \\
  \uline{cheatography.com/njones} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 7th January, 2020.\\
   Updated 5th February, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{File and Path Selection}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-a, -{}-text & Process all files as text. Beware of binary output interpreted as commands. \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-{}-exclude=GLOB & Skip files whose base names match glob. \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-{}-exclude-\{\{nl\}\}from=FILE & Same as `-{}-exclude` but get list of globs from file \tn 
% Row Count 9 (+ 3)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}-{}-exclude-\{\{nl\}\}dir=DIR & Skip directories that match. Directories will also {\emph{not}} be recursed. \tn 
% Row Count 13 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}-`I` & Don't match binary files \tn 
% Row Count 15 (+ 2)
% Row 5
\SetRowColor{white}
\{\{noshy\}\}-{}-include=GLOB & Search {\emph{only}} for files matching glob. \tn 
% Row Count 17 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}-R, -r & Recurse directories \tn 
% Row Count 18 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{noshy\}\}Globs can use *, ?, and {[}...{]} as wildcards. Use \textbackslash{} as escape. Enclose multiples in curly braces, e.g. `-{}-exclude=\{*.xml,*.xsf\}` or `-{}-exclude-dir=\{.git,.vs,my\textbackslash{} dir\}`.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.94103 cm} x{3.03597 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Other Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-{}-line-buffered & Use line buffering on output. Can reduce performance. \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-U & Treat file(s) as binary. \tn 
% Row Count 4 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-z & Treat lines as zero byte terminated instead of newline \tn 
% Row Count 7 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Exit Status}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{0 - Selected lines are found \newline % Row Count 1 (+ 1)
1 - Selected lines are {\emph{not}} found \newline % Row Count 2 (+ 1)
2 - Error occurred (unless a match is found and errors are ignored with the `-q` option)% Row Count 4 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Other}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{nobreak\}\}`ls -rt * | xargs grep -e 'searchtext'`\{\{nl\}\}Searches through files in chronological order.} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Matching Control}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-e {\emph{PATTERN}} & Used to specify multiple patterns or protect patterns starting with "-" \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-f {\emph{FILE}} & Input file for patterns, one per line \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-i & Ignore case \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}-v & Invert match \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}-w & Whole word matches only \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}-x & Match whole line only \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Matcher Selection}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-E & Extended regular expressions (ERE) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-F & Fixed strings \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-G & Basic regular expressions (BRE) \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}-P & Perl regular expression (experimental?) \tn 
% Row Count 8 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Regular Expressions}}  \tn
% Row 0
\SetRowColor{LightBackground}
. & Match any character \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}{[} ... {]} & Match character list.\{\{nl\}\}Use \textasciicircum{} to invert match.\{\{nl\}\}Specify ranges with hyphen (`-`).\{\{nl\}\}Ranges can also be specified using a character class, e.g. `number{[}{[}:digit:{]}{]}`. Valid character classes are: {[}:alnum:{]}, {[}:alpha:{]}, {[}:cntrl:{]}, {[}:digit:{]}, {[}:graph:{]}, {[}:lower:{]}, {[}:print:{]}, {[}:punct:{]}, {[}:space:{]}, {[}:upper:{]}, and {[}:xdigit:{]} \tn 
% Row Count 14 (+ 13)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}?, *, + & Repetition operators indicating at most once, zero or more, or at least once, respectively. \tn 
% Row Count 18 (+ 4)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}\{n\} & Match exactly n times. \tn 
% Row Count 20 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{n,\} & Match at least n times. \tn 
% Row Count 22 (+ 2)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}\{,m\} & Match 0 to m times. \tn 
% Row Count 24 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}\{n,m\} & Match n to m times. \tn 
% Row Count 26 (+ 2)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}\textbackslash{}\textless{}, \textbackslash{}\textgreater{} & Match beginning or end of a word, respectively. \tn 
% Row Count 28 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\{\{nobreak\}\}\textbackslash{}b & Match both beginning and end of the word. \textbackslash{}B matches the opposite. \tn 
% Row Count 31 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.59264 cm} x{3.38436 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Regular Expressions (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
\{\{nobreak\}\}\textbackslash{}w & \{\{noshy\}\}Match word character, aka `{[}{[}:alnum:{]}{]}`. \textbackslash{}W matches the opposite. \tn 
% Row Count 3 (+ 3)
% Row 10
\SetRowColor{white}
\{\{nobreak\}\}\textbackslash{}n & Backreference to previously matched group where `n` is a single digit. \tn 
% Row Count 6 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{The above represents extended regular expression syntax. For basic syntax, you must escape `?`, `+`, `\{`, `|`, `(`, and `)`.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.24425 cm} x{3.73275 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Output Prefix}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-b & Print 0-based byte offset of match within file \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-H & Print the file name for each match (default) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-h & Hide filename from output \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}-n & Prefix output with line number \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}-T & Ensure first line of content is tab-aligned for readability \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}-Z & Output a zero byte after file names \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Output Options}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-c & Count number of lines \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-{}-color\{\{nl\}\}{\emph{{[}=WHEN{]}}} & With no WHEN it will show colors when it's the final command in the pipe. WHEN is never, always, or auto. \tn 
% Row Count 6 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-L & Show only names of files that do NOT match \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\{\{nobreak\}\}-l & Show only names of matching files \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{nobreak\}\}-m & Max number of lines to read from any file \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
\{\{nobreak\}\}-o & Output only the matching text \tn 
% Row Count 14 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\{\{nobreak\}\}-q & Quiet, no output \tn 
% Row Count 15 (+ 1)
% Row 7
\SetRowColor{white}
\{\{nobreak\}\}-s & Suppress error messages for missing or unreadable files \tn 
% Row Count 18 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.4931 cm} x{3.4839 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Context Lines}}  \tn
% Row 0
\SetRowColor{LightBackground}
\{\{nobreak\}\}-A NUM & Print NUM lines of trailing context after match \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\{\{nobreak\}\}-B NUM & Print NUM lines of lead context before match \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{nobreak\}\}-C NUM & Print NUM lines of context \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}