\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{{[}deleted{]}}
\pdfinfo{
  /Title (sed.pdf)
  /Creator (Cheatography)
  /Author ({[}deleted{]})
  /Subject (Sed Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\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{Sed Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{{[}deleted{]}} via \textcolor{DarkBackground}{\uline{cheatography.com/30394/cs/9098/}}}
\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}{[}deleted{]} \\
  \uline{cheatography.com/deleted-30394} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 3rd October, 2016.\\
   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{tabularx}{17.67cm}{x{3.7994 cm} x{13.4706 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{regexp}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{wild characters}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\emph{char}} & a single character, if not special, is matched against text \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
. & matches any character \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
* & matches a sequence of 0 or more repetitions of previous character/grouped regexp/class \tn 
% Row Count 7 (+ 3)
% Row 4
\SetRowColor{LightBackground}
.* & match all characters on every line (including empty ones) \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\textbackslash{}+ & as *, but matches 1 or more \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
.\textbackslash{}+ & match all characters on every non-empty line \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
\textbackslash{}? & as *, but only matches 0 or 1 character \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{special characters}}} \tn 
% Row Count 15 (+ 1)
% Row 9
\SetRowColor{white}
\textbackslash{}n & new line \tn 
% Row Count 16 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\textbackslash{}t & tab \tn 
% Row Count 17 (+ 1)
% Row 11
\SetRowColor{white}
\textbackslash{}s & whitespace \tn 
% Row Count 18 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\textbackslash{}S & any non-whitespace character \tn 
% Row Count 19 (+ 1)
% Row 13
\SetRowColor{white}
\textbackslash{}w & any word character (letter, digit, underscore) \tn 
% Row Count 21 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\textbackslash{}W & any non-word character \tn 
% Row Count 22 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{line beginning}}} \tn 
% Row Count 23 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\textasciicircum{} & matches the null string at the beginning of the line. What appears after \textasciicircum{} must appear at the beginning of the line \tn 
% Row Count 27 (+ 4)
% Row 17
\SetRowColor{white}
\textasciicircum{}\# & match every line beginning with a \# character \tn 
% Row Count 29 (+ 2)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{line ending}}} \tn 
% Row Count 30 (+ 1)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{3.7994 cm} x{13.4706 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{regexp (cont)}}  \tn
% Row 19
\SetRowColor{LightBackground}
\$ & same as \textasciicircum{}, but refers to the end of line \tn 
% Row Count 2 (+ 2)
% Row 20
\SetRowColor{white}
\textbackslash{}\$ & dollar sign is escaped, so this matches lines ending with a single dollar \tn 
% Row Count 5 (+ 3)
% Row 21
\SetRowColor{LightBackground}
\textbackslash{}\textbackslash{}\$ & backslash is escaped, so this matches lines ending with a single backslash \tn 
% Row Count 8 (+ 3)
% Row 22
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{number of sequences}}} \tn 
% Row Count 9 (+ 1)
% Row 23
\SetRowColor{LightBackground}
\textbackslash{}\{i\textbackslash{}\} & as *, but matches exactly {\emph{i}} number of sequences \tn 
% Row Count 11 (+ 2)
% Row 24
\SetRowColor{white}
\textbackslash{}\{i,\textbackslash{}\} & matches more than or equal to {\emph{i}} sequences \tn 
% Row Count 13 (+ 2)
% Row 25
\SetRowColor{LightBackground}
\textbackslash{}\{i,j\textbackslash{}\} & matches between {\emph{i}} and {\emph{j}} sequences, inclusive \tn 
% Row Count 15 (+ 2)
% Row 26
\SetRowColor{white}
.\textbackslash{}\{9\textbackslash{}\}A\$ & matches an {\emph{A}} that is the last character on line, with at least 9 preceding characters \tn 
% Row Count 18 (+ 3)
% Row 27
\SetRowColor{LightBackground}
\textasciicircum{}.\textbackslash{}\{15\textbackslash{}\}A & matches an {\emph{A}} that is the 16th character on a line \tn 
% Row Count 20 (+ 2)
% Row 28
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{groups and lists}}} \tn 
% Row Count 21 (+ 1)
% Row 29
\SetRowColor{LightBackground}
{[}{\emph{list}}{]} & matches any single character in list. Dashes indicate inclusive sequences. \tn 
% Row Count 24 (+ 3)
% Row 30
\SetRowColor{white}
{[}a-zA-Z0-9{]} & matches any letters or digits \tn 
% Row Count 26 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{6.7353 cm} x{10.5347 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{printing}}  \tn
% Row 0
\SetRowColor{LightBackground}
sed '' {\emph{file}} & auto print file contents to command line (essentially `cat`) \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
sed -n 'p' {\emph{file}} & `-n` surpresses auto printing of each line; `p` prints each line (same result as above) \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
sed -n '1p' {\emph{file}} & print only 1st line \tn 
% Row Count 9 (+ 2)
% Row 3
\SetRowColor{white}
sed -n '1,5p' {\emph{file}} & print 1st through 5th lines \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
sed -n '1,+4p' {\emph{file}} & print 1st line and next 4 lines (same output as above) \tn 
% Row Count 14 (+ 3)
% Row 5
\SetRowColor{white}
sed -n '1\textasciitilde{}2p' {\emph{file}} & print every 2nd line beginning with the 1st \tn 
% Row Count 16 (+ 2)
% Row 6
\SetRowColor{LightBackground}
sed -n '/keyword/p' {\emph{file}} & prints every line that contains {\emph{keyword}} \tn 
% Row Count 18 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{6.3899 cm} x{10.8801 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{deleting}}  \tn
% Row 0
\SetRowColor{LightBackground}
sed '1\textasciitilde{}2d' {\emph{file}} & delete every 2nd line beginning with the 1st (without `-n` option will also print what remains) \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
sed '/\textasciicircum{}\$/d' {\emph{file}} & matches any blank lines and passes them to the delete command \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
sed '/\textasciicircum{}\$/!d' {\emph{file}} & delete any line that is not blank (! inverts the address) \tn 
% Row Count 10 (+ 3)
% Row 3
\SetRowColor{white}
sed 's/{[}0-9{]}//g' {\emph{file}} & delete all digits in all lines \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.2534 cm} x{10.0166 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{interact with files}}  \tn
% Row 0
\SetRowColor{LightBackground}
sed '1\textasciitilde{}2d' {\emph{file}} \textgreater{} {\emph{newfile}} & delete every 2nd line from {\emph{file}}, print remaining lines to {\emph{newfile}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
sed -i '1\textasciitilde{}2d' {\emph{file}} & delete every 2nd line "in-place", changes original file \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
sed -i.bak '1\textasciitilde{}2d' {\emph{file}} & create backup file with .bak extension, edit the regular file in place \tn 
% Row Count 10 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Note that source file is not affected by the basic commands; the edits are directed only to the command line unless explicitly directed to a file.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{substitute}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{basic substitution}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
sed \seqsplit{'s/oldword/newword/'} & change 1st instance of {\emph{oldword}} in each line to {\emph{newword}} \tn 
% Row Count 4 (+ 3)
% Row 2
\SetRowColor{LightBackground}
sed \seqsplit{'s|dir1/oldword|dir2/newword|'} & if string includes forward slash, other valid delimiters include pipe, underscore \tn 
% Row Count 9 (+ 5)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{start options}}} \tn 
% Row Count 10 (+ 1)
% Row 4
\SetRowColor{LightBackground}
sed \seqsplit{'keyword/s/oldword/newword/'} {\emph{file}} & replace first instance of {\emph{oldword}} with {\emph{newword}} in any line that includes {\emph{keyword}} \tn 
% Row Count 15 (+ 5)
% Row 5
\SetRowColor{white}
sed '1,3s/.*/newword/' {\emph{file}} & substitute everything in 1st, 2nd, and 3rd lines with {\emph{newword}} \tn 
% Row Count 19 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{end flags}}} \tn 
% Row Count 20 (+ 1)
% Row 7
\SetRowColor{white}
sed 's/oldword/newword/{\emph{flag}}' {\emph{file}} & {\emph{flag}} can be any of the below \tn 
% Row Count 22 (+ 2)
% Row 8
\SetRowColor{LightBackground}
g & substitute every instance of oldword instead of just the first on each line (default behavior) \tn 
% Row Count 27 (+ 5)
% Row 9
\SetRowColor{white}
2 & substitute only {\emph{number}}th instance of oldword on each line \tn 
% Row Count 30 (+ 3)
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{substitute (cont)}}  \tn
% Row 10
\SetRowColor{LightBackground}
p & print new pattern space for all lines where substitution was made \tn 
% Row Count 4 (+ 4)
% Row 11
\SetRowColor{white}
i & ignore case \tn 
% Row Count 5 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{{\bf{other commands}}} \tn 
% Row Count 6 (+ 1)
% Row 13
\SetRowColor{white}
sed 's/word/(\&)/' {\emph{file}} & `\&` holds matched pattern ({\emph{word}}) and puts parentheses around it \tn 
% Row Count 10 (+ 4)
% Row 14
\SetRowColor{LightBackground}
sed \seqsplit{'s/old/new/';s/first/second/'} {\emph{file}} & semicolon strings together distinct commands \tn 
% Row Count 13 (+ 3)
% Row 15
\SetRowColor{white}
\mymulticolumn{2}{x{17.67cm}}{{\bf{examples}}} \tn 
% Row Count 14 (+ 1)
% Row 16
\SetRowColor{LightBackground}
sed -n \seqsplit{'s/oldword/newword/2p'} {\emph{file}} & prints the lines where substitution took place \tn 
% Row Count 17 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{17.67cm}{x{7.4261 cm} x{9.8439 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{random tricks}}  \tn
% Row 0
\SetRowColor{LightBackground}
sed 's/.*/\textbackslash{}"\&\textbackslash{}"/g' & add double quotes to line \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
sed \seqsplit{"s|.*|\$dirname|"} {\emph{file}} & use double quotes to expand variables within replacement. Use a different delimiter if variable contains slashes (e.g. directory path) \tn 
% Row Count 9 (+ 7)
% Row 2
\SetRowColor{LightBackground}
{\emph{var}}=\$(sed -n "\$\{i\}p" {\emph{file}}) & set variable equal to line in {\emph{file}}, where line number {\emph{i}} is also a variable \tn 
% Row Count 13 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{17.67cm}}{Also remember `sed` reads and operates line by line. Some commands modify the output stream directly (so can't use results for more editing unless pipe it to another `sed` command).}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}



\end{document}