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% Most of the following are not required for the majority
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% Document Info
\author{Nikolay Mishin (mishin)}
\pdfinfo{
  /Title (perlcheat.pdf)
  /Creator (Cheatography)
  /Author (Nikolay Mishin (mishin))
  /Subject (perlcheat Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{perlcheat Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Nikolay Mishin (mishin)} via \textcolor{DarkBackground}{\uline{cheatography.com/1008/cs/396/}}}
\end{tabulary}
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\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Nikolay Mishin (mishin) \\
  \uline{cheatography.com/mishin} \\
        \uline{\seqsplit{mishin}.narod.ru}
  \end{tabulary}
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\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 1st June, 2012.\\
   Updated 12th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{About Perlcheat}}  \tn
% Row 0
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AUTHOR & Juerd Waalboer, with the help of many Perl Monks. \tn 
% Row Count 3 (+ 3)
% Row 1
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the original PM post & \seqsplit{http://perlmonks.org/?node\_id=216602} \tn 
% Row Count 5 (+ 2)
% Row 2
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Damian Conway's Perl 6 version & \seqsplit{http://perlmonks.org/?node\_id=238031} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
home of the Perl Cheat Sheet & \seqsplit{http://juerd.nl/site.plp/perlcheat} \tn 
% Row Count 9 (+ 2)
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Search the CPAN - metacpan.org & \seqsplit{https://metacpan.org} \tn 
% Row Count 2 (+ 2)
% Row 1
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% Row Count 4 (+ 2)
% Row 2
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% Row Count 6 (+ 2)
% Row 3
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% Row Count 11 (+ 5)
% Row 4
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% Row Count 14 (+ 3)
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% Row Count 17 (+ 3)
% Row 6
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% Row Count 20 (+ 3)
% Row 7
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% Row Count 23 (+ 3)
% Row 8
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% Row Count 24 (+ 1)
% Row 9
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% Row Count 27 (+ 3)
% Row 10
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% Row Count 29 (+ 2)
% Row 11
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Perl - Download & \seqsplit{http://www.perl.org/get.html} \tn 
% Row Count 31 (+ 2)
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% Row Count 2 (+ 2)
% Row 13
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% Row Count 4 (+ 2)
% Row 14
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% Row Count 6 (+ 2)
% Row 15
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perlcheat & \seqsplit{http://perldoc.perl.org/perlcheat.html} \tn 
% Row Count 8 (+ 2)
% Row 16
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{\bf{Gabor Szabo Perl Trainer and developer}} & http://szabgab.com/ \tn 
% Row Count 11 (+ 3)
% Row 17
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Perl,Perl Mongers,Mongers,User Group,Meeting & http://pm.org \tn 
% Row Count 14 (+ 3)
% Row 18
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{\bf{Facebook vs Google+ for Perl projects}} & \seqsplit{http://szabgab.com/facebook-vs-google-plus-for-perl-projects.html} \tn 
% Row Count 18 (+ 4)
% Row 19
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% Row Count 21 (+ 3)
% Row 20
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mod\_perl world & \seqsplit{http://perl.apache.org} \tn 
% Row Count 23 (+ 2)
% Row 21
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Interpreted Languages: PHP, Perl, Python, Ruby (Sheet One) & \seqsplit{http://hyperpolyglot}.org/scripting \tn 
% Row Count 26 (+ 3)
% Row 22
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Moose - A postmodern object system for Perl & \seqsplit{http://moose.iinteractive.com/} \tn 
% Row Count 29 (+ 3)
% Row 23
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{\bf{Perl Training Australia - Perl Tips}} & \seqsplit{http://perltraining.com.au/tips/} \tn 
% Row Count 31 (+ 2)
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% Row Count 4 (+ 4)
% Row 25
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{\bf{Perl Questions - Stack Overflow}} & \seqsplit{http://stackoverflow}.com/questions/tagged/perl?sort=faq\&pagesize=15 \tn 
% Row Count 8 (+ 4)
% Row 26
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Perl - Cheat sheets Collection & \seqsplit{http://perl4everything}.blogspot.com/2010/12/perl-cheat-sheets-collection.html \tn 
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% Row 27
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{\bf{complete, working examples of good Perl code}} & \seqsplit{http://perlmeme.org/start\_here/index.html} \tn 
% Row Count 15 (+ 3)
% Row 28
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Perl Programming Tutorials & \seqsplit{http://www.devshed.com/c/b/Perl/} \tn 
% Row Count 17 (+ 2)
% Row 29
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Video from UniverTV & \seqsplit{http://univertv.ru/search/?txt=perl\&x=0\&y=0} \tn 
% Row Count 20 (+ 3)
% Row 30
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FAQ по perl и \seqsplit{программированию} для web & \seqsplit{http://www.cyberguru.ru/web/web-programming/perl-web-programming-faq-page2.html} \tn 
% Row Count 24 (+ 4)
% Row 31
\SetRowColor{white}
{\bf{FAQ PERL Agava}} & \seqsplit{http://hosting.agava.ru/faq/tech/docs/perl.shtml} \tn 
% Row Count 27 (+ 3)
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\mymulticolumn{1}{x{5.377cm}}{Modern::Perl} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}enable all of the features of Modern Perl with one import} \tn 
% Row Count 3 (+ 3)
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\mymulticolumn{1}{x{5.377cm}}{Toolkit} \tn 
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\mymulticolumn{1}{x{5.377cm}}{use common::sense;} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}supposed to be the same, with much lower memory usage, as: \# \# use strict qw(vars subs); \# use feature qw(say state switch); \# no warnings; \# use warnings qw(FATAL closed threads internal debugging pack substr malloc \#                 unopened portable prototype inplace io pipe unpack regexp \#                 deprecated exiting glob digit printf utf8 layer \#                 reserved parenthesis taint closure semicolon); \# no warnings qw(exec newline);} \tn 
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\mymulticolumn{1}{x{5.377cm}}{latest} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}There is latest, which is no longer the latest. Demonstrates part of the naming problem.} \tn 
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\mymulticolumn{1}{x{5.377cm}}{uni::perl} \tn 
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}I'll include Moose here, since it automatically adds strict and warnings to the calling package.} \tn 
% Row Count 32 (+ 4)
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% Row Count 1 (+ 1)
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\textbackslash{}w & {[}A-Za-z0-9\_{]} \tn 
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\textbackslash{}d & {[}0-9{]} \tn 
% Row Count 4 (+ 1)
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% Row Count 1 (+ 1)
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% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
/x & ign. wh.space \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
/g & global \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textbackslash{}Q & quote (disable) pattern metacharacters till \textbackslash{}E \tn 
% Row Count 7 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\textbackslash{}E & end either case modification or quoted section, think vi \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.59501 cm} x{3.06659 cm} x{0.9154 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{FUNCTION RETURN LISTS}}  \tn
% Row 0
\SetRowColor{LightBackground}
stat & localtime & caller \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
0 dev & 0 second & 0 package \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
1 ino & 1 minute & 1 \seqsplit{filename} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
2 mode & 2 hour & 2 line \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
3 nlink & 3 day & 3 \seqsplit{subroutine} \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
4 uid & 4 month-1 & 4 hasargs \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
5 gid & 5 year-1900 & 5 \seqsplit{wantarray} \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
6 rdev & 6 weekday & 6 \seqsplit{evaltext} \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
7 size & 7 yearday & 7 \seqsplit{is\_require} \tn 
% Row Count 17 (+ 2)
% Row 9
\SetRowColor{white}
8 atime & 8 is\_dst & 8 hints \tn 
% Row Count 19 (+ 2)
% Row 10
\SetRowColor{LightBackground}
9 mtime &  & 9 bitmask \tn 
% Row Count 21 (+ 2)
% Row 11
\SetRowColor{white}
10 ctime & just use &  \tn 
% Row Count 23 (+ 2)
% Row 12
\SetRowColor{LightBackground}
11 blksz & POSIX:: & 3..9 only \tn 
% Row Count 25 (+ 2)
% Row 13
\SetRowColor{white}
12 blcks & strftime! \seqsplit{http://docstore.mik.ua/orelly/perl/prog3/ch32\_36.htm} & with EXPR \tn 
% Row Count 28 (+ 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}{opendir \& grep:}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{opendir(DIR,"\$SCANDATA"); \newline % Row Count 1 (+ 1)
@files = sort(grep(/{[}0-9{]}{\emph{\textbackslash{}.{[}0-9{]}}}\textbackslash{}-/,readdir(DIR))); \newline % Row Count 3 (+ 2)
closedir(DIR);% Row Count 4 (+ 1)
} \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}{hash iteration:}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{while ((\$key,\$val) = each (\%hash)) \{ \}% Row Count 1 (+ 1)
} \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}{getopt}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{use Getopt::Std; \newline % Row Count 1 (+ 1)
\%options=(); \newline % Row Count 2 (+ 1)
getopts("he:f:s:SD:u:F:",\textbackslash{}\%options); \newline % Row Count 3 (+ 1)
if (\$options\{h\}) \{ \&usage(); \} \newline % Row Count 4 (+ 1)
\seqsplit{http://www.perlhowto.com/parsing\_command\_line\_parameters\_with\_getopt\_long} \newline % Row Count 6 (+ 2)
\seqsplit{http://www.perlmonks.org/?node\_id=455158} \newline % Row Count 7 (+ 1)
\seqsplit{http://aplawrence.com/Unix/perlgetopts.html} \newline % Row Count 8 (+ 1)
http://www.cs.mcgill.ca/\textasciitilde{}abatko/computers/programming/perl/howto/getopts/ \newline % Row Count 10 (+ 2)
\seqsplit{http://perl.find-info.ru/perl/015/interface/1.htm}% Row Count 11 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Perl IDE}}  \tn
% Row 0
\SetRowColor{LightBackground}
source & http://www.perlide.org/ \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{Padre}} & \seqsplit{http://padre.perlide.org/}  The Perl Application Development and Refactoring Environment (written in Perl 5) \tn 
% Row Count 6 (+ 5)
% Row 2
\SetRowColor{LightBackground}
{\bf{Eclipse}} & with the EPIC plugin http://www.epic-ide.org/ or with Perlipse \seqsplit{http://code.google.com/p/perlipse/} using dltk \tn 
% Row Count 11 (+ 5)
% Row 3
\SetRowColor{white}
{\bf{ActiveState}} & proprietary  Komodo IDE \seqsplit{http://www.activestate.com/Products/komodo\_ide/}  or free Komodo Edit \seqsplit{http://www.activestate.com/Products/komodo\_ide/komodo\_edit.mhtml} \tn 
% Row Count 18 (+ 7)
% Row 4
\SetRowColor{LightBackground}
{\bf{Kephra}} & \seqsplit{http://kephra.sourceforge.net} Programmers Editor along perl-like Paradigms, written in Perl \tn 
% Row Count 22 (+ 4)
% Row 5
\SetRowColor{white}
{\bf{Gvim}} & www.vim.org with Perl support \seqsplit{http://www.vim.org/scripts/script.php?script\_id=556} \tn 
% Row Count 26 (+ 4)
% Row 6
\SetRowColor{LightBackground}
{\bf{Emacs}} & \seqsplit{www.gnu.org/software/emacs/} with CPerl Mode \seqsplit{http://www.emacswiki.org/cgi-bin/wiki/CPerlMode} \tn 
% Row Count 30 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.74195 cm} x{3.23505 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Perl IDE (cont)}}  \tn
% Row 7
\SetRowColor{LightBackground}
Perl Development Tools & \seqsplit{http://www.perlmonks.org/?node=Perl\%20Development\%20Tools} \tn 
% Row Count 3 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.9954 cm} x{3.9816 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Escape sequences}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textbackslash{}t & tab                   (HT, TAB) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\textbackslash{}n & newline               (LF, NL) \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\textbackslash{}r & return                (CR) \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\textbackslash{}f & form feed             (FF) \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textbackslash{}a & alarm (bell)          (BEL) \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textbackslash{}e & escape (think troff)  (ESC) \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textbackslash{}cK & control char          (example: VT) \tn 
% Row Count 8 (+ 2)
% Row 7
\SetRowColor{white}
\textbackslash{}x\{\}, \textbackslash{}x00 & character whose ordinal is the given hexadecimal number \tn 
% Row Count 10 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\textbackslash{}N\{name\} & amed Unicode character or character sequence \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
\textbackslash{}N\{U+263D\} & Unicode character     (example: FIRST QUARTER MOON) \tn 
% Row Count 14 (+ 2)
% Row 10
\SetRowColor{LightBackground}
\textbackslash{}o\{\}, \textbackslash{}000 & character whose ordinal is the given octal number \tn 
% Row Count 16 (+ 2)
% Row 11
\SetRowColor{white}
\textbackslash{}l & lowercase next char (think vi) \tn 
% Row Count 17 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\textbackslash{}u & uppercase next char (think vi) \tn 
% Row Count 18 (+ 1)
% Row 13
\SetRowColor{white}
\textbackslash{}L & lowercase till \textbackslash{}E (think vi) \tn 
% Row Count 19 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\textbackslash{}U & uppercase till \textbackslash{}E (think vi) \tn 
% Row Count 20 (+ 1)
% Row 15
\SetRowColor{white}
\textbackslash{}Q & quote (disable) pattern metacharacters till \textbackslash{}E \tn 
% Row Count 22 (+ 2)
% Row 16
\SetRowColor{LightBackground}
\textbackslash{}E & end either case modification or quoted section, think vi \tn 
% Row Count 24 (+ 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}{REFERENCES}}  \tn
% Row 0
\SetRowColor{LightBackground}
\textbackslash{} & \$\$foo{[}1{]} == \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
references & \$foo-\textgreater{}{[}1{]} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\$@\%\&* & \$\$foo\{bar\}== \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
dereference & \$foo-\textgreater{}\{bar\} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\{\} & \$\{\$\$foo{[}1{]}\}{[}2{]}== \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
anon. hashref & \$foo-\textgreater{}{[}1{]}-\textgreater{}{[}2{]} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\textbackslash{}() & \$\{\$\$foo{[}1{]}\}{[}2{]}== \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
list of refs & \$foo-\textgreater{}{[}1{]}{[}2{]} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{SPECIAL VARIABLES}}  \tn
% Row 0
\SetRowColor{LightBackground}
\$\_ & default variable \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\$0 & program name \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\$/ & input separator \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\$\textbackslash{} & output separator \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\$| & autoflush \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\$! & sys/libcall error \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\$@ & eval error \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\$\$ & process ID \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\$. & line number \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
@ARGV & command line args \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
@INC & include paths \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
@\_ & subroutine args \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\%ENV & environment \tn 
% Row Count 13 (+ 1)
\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}{NUMBERS vs STRINGS}}  \tn
% Row 0
\SetRowColor{LightBackground}
NUMBERS & STRINGS \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
= & = \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
. & . \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
== != & eq ne \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textless{} \textgreater{} \textless{}= \textgreater{}= & lt gt le ge \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\textless{}=\textgreater{} & cmp \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{DO}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{use Modern::Perl;} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{use strict;} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{use warnings;} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{my \$var;} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{open() or die \$!;} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{use Modules;} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{DON'T}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{"\$foo"} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\$\$variable\_name} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{`\$userinput`} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{/\$userinput/} \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{capitalizing:}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{word: \$foo = ucfirst lc \$foo; \newline % Row Count 1 (+ 1)
each word: \$foo =\textasciitilde{} s/(\textbackslash{}w+)/\textbackslash{}u\textbackslash{}L\$1/g;% Row Count 2 (+ 1)
} \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}{referencing a subroutine:}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\$SUBNAME = "junk"; \newline % Row Count 1 (+ 1)
\&\$SUBNAME(@PARAMETERS);% Row Count 2 (+ 1)
} \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}{foreach:}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{foreach \$FILE (@FILES) \{ \}% Row Count 1 (+ 1)
} \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}{OPERATOR PRECEDENCE}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{-\textgreater{}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{++ -{}-} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{**} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{! \textasciitilde{} \textbackslash{} u+ u-} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{=\textasciitilde{} !\textasciitilde{}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{* / \% x} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{+ - .} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{}\textless{} \textgreater{}\textgreater{}} \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{named uops} \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\textless{} \textgreater{} \textless{}= \textgreater{}= lt gt le ge} \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{== != \textless{}=\textgreater{} eq ne cmp} \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\&} \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{| \textasciicircum{}} \tn 
% Row Count 13 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\&\&} \tn 
% Row Count 14 (+ 1)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{||} \tn 
% Row Count 15 (+ 1)
% Row 15
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{.. ...} \tn 
% Row Count 16 (+ 1)
% Row 16
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{?:} \tn 
% Row Count 17 (+ 1)
% Row 17
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{= += -= *= etc.} \tn 
% Row Count 18 (+ 1)
% Row 18
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{, =\textgreater{}} \tn 
% Row Count 19 (+ 1)
% Row 19
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{list ops} \tn 
% Row Count 20 (+ 1)
% Row 20
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{not} \tn 
% Row Count 21 (+ 1)
% Row 21
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{and} \tn 
% Row Count 22 (+ 1)
% Row 22
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{or xor} \tn 
% Row Count 23 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Link to perl cheat}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{perlcheat} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{http://www.cheatography.com/mishin/cheat-sheets/perlcheat/}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{perl-reference-card} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{http://www.cheatography.com/mishin/cheat-sheets/perl-reference-card/}} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\seqsplit{20-killer-perl-programming-tips}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}\seqsplit{http://www.cheatography.com/mishin/cheat-sheets/20-killer-perl-programming-tips-for-beginners/}} \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}