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authorKarl Berry <karl@freefriends.org>2007-06-17 23:22:07 +0000
committerKarl Berry <karl@freefriends.org>2007-06-17 23:22:07 +0000
commitf0c1f4cdb9fad83f293fd91d194538425f9f7633 (patch)
tree1bc04aef1c35fe6e07fb532c1fefbe3ad1b37be8 /Master/texmf-dist/source/latex/oberdiek/catchfile.dtx
parentcc91b833be17617d7383dfa801a01ef5c95c3752 (diff)
oberdiek update (15jun07)
git-svn-id: svn://tug.org/texlive/trunk@4458 c570f23f-e606-0410-a88d-b1316a301751
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+% \iffalse meta-comment
+%
+% Copyright (C) 2007 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
+%
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either
+% version 1.3 of this license or (at your option) any later
+% version. The latest version of this license is in
+% http://www.latex-project.org/lppl.txt
+% and version 1.3 or later is part of all distributions of
+% LaTeX version 2005/12/01 or later.
+%
+% This work has the LPPL maintenance status "maintained".
+%
+% This Current Maintainer of this work is Heiko Oberdiek.
+%
+% This work consists of the main source file catchfile.dtx
+% and the derived files
+% catchfile.sty, catchfile.pdf, catchfile.ins, catchfile.drv,
+% catchfile-test1.tex, catchfile-test2.tex.
+%
+% Distribution:
+% CTAN:macros/latex/contrib/oberdiek/catchfile.dtx
+% CTAN:macros/latex/contrib/oberdiek/catchfile.pdf
+%
+% Unpacking:
+% (a) If catchfile.ins is present:
+% tex catchfile.ins
+% (b) Without catchfile.ins:
+% tex catchfile.dtx
+% (c) If you insist on using LaTeX
+% latex \let\install=y\input{catchfile.dtx}
+% (quote the arguments according to the demands of your shell)
+%
+% Documentation:
+% (a) If catchfile.drv is present:
+% latex catchfile.drv
+% (b) Without catchfile.drv:
+% latex catchfile.dtx; ...
+% The class ltxdoc loads the configuration file ltxdoc.cfg
+% if available. Here you can specify further options, e.g.
+% use A4 as paper format:
+% \PassOptionsToClass{a4paper}{article}
+%
+% Programm calls to get the documentation (example):
+% pdflatex catchfile.dtx
+% makeindex -s gind.ist catchfile.idx
+% pdflatex catchfile.dtx
+% makeindex -s gind.ist catchfile.idx
+% pdflatex catchfile.dtx
+%
+% Installation:
+% TDS:tex/generic/oberdiek/catchfile.sty
+% TDS:doc/latex/oberdiek/catchfile.pdf
+% TDS:doc/latex/oberdiek/catchfile-test1.tex
+% TDS:doc/latex/oberdiek/catchfile-test2.tex
+% TDS:source/latex/oberdiek/catchfile.dtx
+%
+%<*ignore>
+\begingroup
+ \def\x{LaTeX2e}%
+\expandafter\endgroup
+\ifcase 0\ifx\install y1\fi\expandafter
+ \ifx\csname processbatchFile\endcsname\relax\else1\fi
+ \ifx\fmtname\x\else 1\fi\relax
+\else\csname fi\endcsname
+%</ignore>
+%<*install>
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation}
+\Msg{* Package: catchfile 2007/05/30 v1.0 Catches the contents of a file (HO)}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\preamble
+
+This is a generated file.
+
+Copyright (C) 2007 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either
+version 1.3 of this license or (at your option) any later
+version. The latest version of this license is in
+ http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of
+LaTeX version 2005/12/01 or later.
+
+This work has the LPPL maintenance status "maintained".
+
+This Current Maintainer of this work is Heiko Oberdiek.
+
+This work consists of the main source file catchfile.dtx
+and the derived files
+ catchfile.sty, catchfile.pdf, catchfile.ins, catchfile.drv,
+ catchfile-test1.tex, catchfile-test2.tex.
+
+\endpreamble
+
+\generate{%
+ \file{catchfile.ins}{\from{catchfile.dtx}{install}}%
+ \file{catchfile.drv}{\from{catchfile.dtx}{driver}}%
+ \usedir{tex/generic/oberdiek}%
+ \file{catchfile.sty}{\from{catchfile.dtx}{package}}%
+ \usedir{doc/latex/oberdiek}%
+ \file{catchfile-test1.tex}{\from{catchfile.dtx}{test1}}%
+ \file{catchfile-test2.tex}{\from{catchfile.dtx}{test2}}%
+}
+
+\obeyspaces
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{* catchfile.sty}
+\Msg{*}
+\Msg{* To produce the documentation run the file `catchfile.drv'}
+\Msg{* through LaTeX.}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+%</install>
+%<*ignore>
+\fi
+%</ignore>
+%<*driver>
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesFile{catchfile.drv}%
+ [2007/05/30 v1.0 Catches the contents of a file (HO)]%
+\documentclass{ltxdoc}
+\usepackage{holtxdoc}
+\begin{document}
+ \DocInput{catchfile.dtx}%
+\end{document}
+%</driver>
+% \fi
+%
+% \CheckSum{419}
+%
+% \CharacterTable
+% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+% Digits \0\1\2\3\4\5\6\7\8\9
+% Exclamation \! Double quote \" Hash (number) \#
+% Dollar \$ Percent \% Ampersand \&
+% Acute accent \' Left paren \( Right paren \)
+% Asterisk \* Plus \+ Comma \,
+% Minus \- Point \. Solidus \/
+% Colon \: Semicolon \; Less than \<
+% Equals \= Greater than \> Question mark \?
+% Commercial at \@ Left bracket \[ Backslash \\
+% Right bracket \] Circumflex \^ Underscore \_
+% Grave accent \` Left brace \{ Vertical bar \|
+% Right brace \} Tilde \~}
+%
+% \GetFileInfo{catchfile.drv}
+%
+% \title{The \xpackage{catchfile} package}
+% \date{2007/05/30 v1.0}
+% \author{Heiko Oberdiek\\\xemail{oberdiek@uni-freiburg.de}}
+%
+% \maketitle
+%
+% \begin{abstract}
+% This package catches the contents of a file and puts it in a macro.
+% It requires \eTeX. Both \LaTeX\ and \plainTeX\ are supported.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \section{Documentation}
+%
+% The package relies on \eTeX's \cs{everyeof}. Otherwise it
+% aborts with an error message.
+%
+% \begin{declcs}{CatchFileDef} \M{cmd} \M{file name} \M{setup}\\
+% \cs{CatchFileEdef} \M{cmd} \M{file name} \M{setup}
+% \end{declcs}
+% Macro \meta{cmd} is defined with the contents
+% of file \meta{file name}.
+% \cs{CatchFileDef} uses \cs{def}, \cs{CatchFileEdef} \cs{edef}
+% for the definition.
+% Additional setup code for setting
+% catcodes or treatment of line ends can be given in code
+% \meta{setup}. See the test files for an example.
+%
+% \StopEventually{
+% }
+%
+% \section{Implementation}
+%
+% \begin{macrocode}
+%<*package>
+% \end{macrocode}
+%
+% \subsection{Reload check and package identification}
+% Reload check, especially if the package is not used with \LaTeX.
+% \begin{macrocode}
+\begingroup
+ \catcode44 12 % ,
+ \catcode45 12 % -
+ \catcode46 12 % .
+ \catcode58 12 % :
+ \catcode64 11 % @
+ \expandafter\let\expandafter\x\csname ver@catchfile.sty\endcsname
+ \ifcase 0%
+ \ifx\x\relax % plain
+ \else
+ \ifx\x\empty % LaTeX
+ \else
+ 1%
+ \fi
+ \fi
+ \else
+ \expandafter\ifx\csname PackageInfo\endcsname\relax
+ \def\x#1#2{%
+ \immediate\write-1{Package #1 Info: #2.}%
+ }%
+ \else
+ \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
+ \fi
+ \x{catchfile}{The package is already loaded}%
+ \endgroup
+ \expandafter\endinput
+ \fi
+\endgroup
+% \end{macrocode}
+% Package identification:
+% \begin{macrocode}
+\begingroup
+ \catcode40 12 % (
+ \catcode41 12 % )
+ \catcode44 12 % ,
+ \catcode45 12 % -
+ \catcode46 12 % .
+ \catcode47 12 % /
+ \catcode58 12 % :
+ \catcode64 11 % @
+ \expandafter\ifx\csname ProvidesPackage\endcsname\relax
+ \def\x#1#2#3[#4]{\endgroup
+ \immediate\write-1{Package: #3 #4}%
+ \xdef#1{#4}%
+ }%
+ \else
+ \def\x#1#2[#3]{\endgroup
+ #2[{#3}]%
+ \ifx#1\relax
+ \xdef#1{#3}%
+ \fi
+ }%
+ \fi
+\expandafter\x\csname ver@catchfile.sty\endcsname
+\ProvidesPackage{catchfile}%
+ [2007/05/30 v1.0 Catches the contents of a file (HO)]
+% \end{macrocode}
+%
+% \subsection{Catcodes}
+%
+% \begin{macrocode}
+\expandafter\edef\csname CatchFile@End\endcsname{%
+ \catcode44 \the\catcode44\relax % ,
+ \catcode45 \the\catcode45\relax % -
+ \catcode46 \the\catcode46\relax % .
+ \catcode61 \the\catcode61\relax % =
+ \catcode64 \the\catcode64\relax % @
+ \catcode96 \the\catcode96\relax % `
+ \noexpand\endinput
+}
+\catcode44 12 % ,
+\catcode45 12 % -
+\catcode46 12 % .
+\catcode61 12 % =
+\catcode64 11 % @
+\catcode96 12 % `
+% \end{macrocode}
+%
+% \subsection{Preparations}
+%
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname RequirePackage\endcsname\relax
+ \input infwarerr.sty\relax
+\else
+ \RequirePackage{infwarerr}%
+\fi
+% \end{macrocode}
+%
+% Check for \eTeX's \cs{everyeof}.
+% \begin{macrocode}
+\begingroup
+ \escapechar=92\relax
+ \edef\TestString{\string\everyeof}%
+ \edef\TestMeaning{\meaning\everyeof}%
+ \ifx\TestString\TestMeaning
+ \else
+ \@PackageErrorNoLine{catchfile}{%
+ Cannot find e-TeX's \string\everyeof,\MessageBreak
+ package loading is aborted%
+ }\@ehd
+ \endgroup
+ \expandafter\CatchFile@End
+ \fi
+\endgroup
+% \end{macrocode}
+%
+% \subsection{Looking for primitive \cs{input}}
+%
+% \begin{macro}{\CatchFile@Input}
+% The package needs the expandable primitive \cs{input}.
+% However there are formats that redefine it. For example,
+% \LaTeX's \cs{input} is not expandable, but it stores
+% the primitive in \cs{@@input}. The third possibility
+% is \cs{pdfprimitive}, introduced in \pdfTeX\ 1.40.0.
+%
+% Thus we try to find the primitive and store it in
+% \cs{CatchFile@Input}. If it is used, it must be expanded
+% twice (because of the solution with \cs{pdfprimitive}).
+% \begin{macrocode}
+\begingroup
+ \def\Check#1#2#3#4\endgroup{%
+ \edef\TestString{\string#1}%
+ \edef\TestMeaning{\meaning#2}%
+ \ifx\TestString\TestMeaning
+ \endgroup
+ \let\CatchFile@Primitive#2%
+ \def\CatchFile@Input{\CatchFile@Primitive#3}%
+ \else
+ #4\endgroup
+ \fi
+ }%
+ \Check\input\input{}%
+ \Check\input\@@input{}%
+ \Check\pdfprimitive\pdfprimitive\input
+ \@PackageErrorNoLine{%
+ Cannot find primitive \string\input,\MessageBreak
+ package loading is aborted%
+ }\@ehd
+ \csname endgroup\endcsname
+ \CatchFile@End
+\endgroup
+% \end{macrocode}
+% \end{macro}
+%
+% \subsection{Input file check}
+%
+% \begin{macro}{\CatchFile@CheckFileExists}
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname IfFileExists\endcsname\relax
+ \begingroup\expandafter\expandafter\expandafter\endgroup
+ \expandafter\ifx\csname pdffilesize\endcsname\relax
+ \def\CatchFile@CheckFileExists#1{%
+ \expandafter\ifx\csname @inputcheck\endcsname\relax
+ \csname newread\endcsname\@inputcheck
+ \fi
+ \openin\@inputcheck#1\relax
+ \ifeof\@inputcheck
+ \let\CatchFile@File\relax
+ \else
+ \closein\@inputcheck
+ \def\CatchFile@File{#1}%
+ \fi
+ }%
+ \else
+ \def\CatchFile@CheckFileExists#1{%
+ \expandafter\ifx\expandafter\\\pdffilesize{#1}\\%
+ \let\CatchFile@File\relax
+ \else
+ \def\CatchFile@File{#1}%
+ \fi
+ }%
+ \fi
+\else
+ \def\CatchFile@CheckFileExists#1{%
+ \IfFileExists{#1}{%
+ \expandafter\CatchFile@DefFile\@filef@und\@nil
+ \begingroup\expandafter\expandafter\expandafter\endgroup
+ \expandafter\ifx\csname @addtofilelist\endcsname\relax
+ \else
+ \@addtofilelist\CatchFile@File
+ \fi
+ }{%
+ \let\CatchFile@File\relax
+ }%
+ }%
+ \def\CatchFile@DefFile#1 \@nil{%
+ \def\CatchFile@File{#1}%
+ }%
+\fi
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CatchFileNotFound}
+% \begin{macrocode}
+\def\CatchFile@NotFound#1#2{%
+ \def#1{}%
+ \@PackageError{catchfile}{%
+ File `#2' not found%
+ }\@ehc
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \subsection{Catch file contents}
+%
+% \begin{macro}{\CatchFileEdef}
+% \begin{macrocode}
+\long\def\CatchFileEdef#1#2#3{%
+ \CatchFile@CheckFileExists{#2}%
+ \ifx\CatchFile@File\relax
+ \CatchFile@NotFound{#1}{#2}%
+ \else
+ \begingroup
+ \everyeof{\noexpand}%
+ #3%
+ \xdef\CatchFile@Contents{\CatchFile@Input\CatchFile@File\space}%
+ \endgroup
+ \let#1\CatchFile@Contents
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\CatchFileDef}
+% \begin{macrocode}
+\long\def\CatchFileDef#1#2#3{%
+ \CatchFile@CheckFileExists{#2}%
+ \ifx\CatchFile@File\relax
+ \CatchFile@NotFound{#1}{#2}%
+ \else
+ \begingroup
+ \everyeof\expandafter{%
+ \CatchFile@EOF
+ \noexpand
+ }%
+ \expandafter\long\expandafter\def\expandafter\CatchFile@Do
+ \expandafter##\expandafter1\CatchFile@EOF{%
+ \endgroup
+ \def#1{##1}%
+ }%
+ #3%
+ \expandafter\expandafter\expandafter\CatchFile@Do
+ \CatchFile@Input\CatchFile@File\relax
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\CatchFile@EOF}
+% If the file is read the catcode mappings are fixed.
+% This means that the same character cannot occur
+% inside the file with different catcodes.
+% Thus we use as end of file marker the at sign
+% twice with different catcodes.
+% \begin{macrocode}
+\begingroup
+ \lccode65=64 % lowercase('A') = '@'
+ \lccode66=64 % lowercase('B') = '@'
+ \catcode65=8 % catcode('A') = subscript
+ \catcode66=3 % catcode('B') = math shift
+\lowercase{\endgroup
+ \def\CatchFile@EOF{AB}%
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macrocode}
+\CatchFile@End
+%</package>
+% \end{macrocode}
+%
+% \section{Test}
+%
+% \subsection{\LaTeX}
+%
+% \begin{macrocode}
+%<*test1>
+\NeedsTeXFormat{LaTeX2e}
+\nofiles
+\listfiles
+\documentclass{minimal}
+\usepackage{catchfile}[2007/05/30]
+\makeatletter
+\def\mysetup{%
+ \let\do\@makeother
+ \dospecials
+}
+\makeatother
+\begin{document}
+
+\CatchFileDef\contents{catchfile.sty}\mysetup
+\typeout{\meaning\contents}
+
+\CatchFileEdef\contents{catchfile.sty}{%
+ \mysetup
+ \def\par{^^J}%
+ \obeylines
+}
+\typeout{\contents}
+\end{document}
+%</test1>
+% \end{macrocode}
+%
+% \subsection{\plainTeX}
+%
+% \begin{macrocode}
+%<*test2>
+\def\msg#{\immediate\write16}
+\newlinechar=10 %
+\input catchfile.sty\relax
+
+\def\mysetup{%
+ \def\do##1{%
+ \catcode`##1=12\relax
+ }%
+ \dospecials
+}
+
+\CatchFileDef\contents{catchfile.sty}\mysetup
+\msg{\meaning\contents}
+
+\CatchFileEdef\contents{catchfile.sty}{%
+ \mysetup
+ \def\par{^^J}%
+ \obeylines
+}
+\msg{\contents}
+
+\csname @@end\endcsname
+\end
+%</test2>
+% \end{macrocode}
+% \section{Installation}
+%
+% \subsection{Download}
+%
+% \paragraph{Package.} This package is available on
+% CTAN\footnote{\url{ftp://ftp.ctan.org/tex-archive/}}:
+% \begin{description}
+% \item[\CTAN{macros/latex/contrib/oberdiek/catchfile.dtx}] The source file.
+% \item[\CTAN{macros/latex/contrib/oberdiek/catchfile.pdf}] Documentation.
+% \end{description}
+%
+%
+% \paragraph{Bundle.} All the packages of the bundle `oberdiek'
+% are also available in a TDS compliant ZIP archive. There
+% the packages are already unpacked and the documentation files
+% are generated. The files and directories obey the TDS standard.
+% \begin{description}
+% \item[\CTAN{macros/latex/contrib/oberdiek/oberdiek-tds.zip}]
+% \end{description}
+%
+% \subsection{Bundle installation}
+%
+% \paragraph{Unpacking.} Unpack the \xfile{oberdiek-tds.zip} in the
+% TDS tree (also known as \xfile{texmf} tree) of your choice.
+% Example (linux):
+% \begin{quote}
+% |unzip oberdiek-tds.zip -d ~/texmf|
+% \end{quote}
+%
+% \paragraph{Script installation.}
+% Check the directory \xfile{TDS:scripts/oberdiek/} for
+% scripts that need further installation steps.
+% Package \xpackage{attachfile2} comes with the Perl script
+% \xfile{pdfatfi.pl} that should be installed in such a way
+% that it can be called as \texttt{pdfatfi}.
+% Example (linux):
+% \begin{quote}
+% |chmod +x scripts/oberdiek/pdfatfi.pl|\\
+% |cp scripts/oberdiek/pdfatfi.pl /usr/local/bin/|
+% \end{quote}
+%
+% \subsection{Package installation}
+%
+% \paragraph{Unpacking.} The \xfile{.dtx} file is a self-extracting
+% \docstrip\ archive. The files are extracted by running the
+% \xfile{.dtx} through \plainTeX:
+% \begin{quote}
+% \verb|tex catchfile.dtx|
+% \end{quote}
+%
+% \paragraph{TDS.} Now the different files must be moved into
+% the different directories in your installation TDS tree
+% (also known as \xfile{texmf} tree):
+% \begin{quote}
+% \def\t{^^A
+% \begin{tabular}{@{}>{\ttfamily}l@{ $\rightarrow$ }>{\ttfamily}l@{}}
+% catchfile.sty & tex/generic/oberdiek/catchfile.sty\\
+% catchfile.pdf & doc/latex/oberdiek/catchfile.pdf\\
+% catchfile-test1.tex & doc/latex/oberdiek/catchfile-test1.tex\\
+% catchfile-test2.tex & doc/latex/oberdiek/catchfile-test2.tex\\
+% catchfile.dtx & source/latex/oberdiek/catchfile.dtx\\
+% \end{tabular}^^A
+% }^^A
+% \sbox0{\t}^^A
+% \ifdim\wd0>\linewidth
+% \begingroup
+% \advance\linewidth by\leftmargin
+% \advance\linewidth by\rightmargin
+% \edef\x{\endgroup
+% \def\noexpand\lw{\the\linewidth}^^A
+% }\x
+% \def\lwbox{^^A
+% \leavevmode
+% \hbox to \linewidth{^^A
+% \kern-\leftmargin\relax
+% \hss
+% \usebox0
+% \hss
+% \kern-\rightmargin\relax
+% }^^A
+% }^^A
+% \ifdim\wd0>\lw
+% \sbox0{\small\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\footnotesize\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\scriptsize\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\tiny\t}^^A
+% \ifdim\wd0>\linewidth
+% \lwbox
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \end{quote}
+% If you have a \xfile{docstrip.cfg} that configures and enables \docstrip's
+% TDS installing feature, then some files can already be in the right
+% place, see the documentation of \docstrip.
+%
+% \subsection{Refresh file name databases}
+%
+% If your \TeX~distribution
+% (\teTeX, \mikTeX, \dots) relies on file name databases, you must refresh
+% these. For example, \teTeX\ users run \verb|texhash| or
+% \verb|mktexlsr|.
+%
+% \subsection{Some details for the interested}
+%
+% \paragraph{Attached source.}
+%
+% The PDF documentation on CTAN also includes the
+% \xfile{.dtx} source file. It can be extracted by
+% AcrobatReader 6 or higher. Another option is \textsf{pdftk},
+% e.g. unpack the file into the current directory:
+% \begin{quote}
+% \verb|pdftk catchfile.pdf unpack_files output .|
+% \end{quote}
+%
+% \paragraph{Unpacking with \LaTeX.}
+% The \xfile{.dtx} chooses its action depending on the format:
+% \begin{description}
+% \item[\plainTeX:] Run \docstrip\ and extract the files.
+% \item[\LaTeX:] Generate the documentation.
+% \end{description}
+% If you insist on using \LaTeX\ for \docstrip\ (really,
+% \docstrip\ does not need \LaTeX), then inform the autodetect routine
+% about your intention:
+% \begin{quote}
+% \verb|latex \let\install=y\input{catchfile.dtx}|
+% \end{quote}
+% Do not forget to quote the argument according to the demands
+% of your shell.
+%
+% \paragraph{Generating the documentation.}
+% You can use both the \xfile{.dtx} or the \xfile{.drv} to generate
+% the documentation. The process can be configured by the
+% configuration file \xfile{ltxdoc.cfg}. For instance, put this
+% line into this file, if you want to have A4 as paper format:
+% \begin{quote}
+% \verb|\PassOptionsToClass{a4paper}{article}|
+% \end{quote}
+% An example follows how to generate the
+% documentation with pdf\LaTeX:
+% \begin{quote}
+%\begin{verbatim}
+%pdflatex catchfile.dtx
+%makeindex -s gind.ist catchfile.idx
+%pdflatex catchfile.dtx
+%makeindex -s gind.ist catchfile.idx
+%pdflatex catchfile.dtx
+%\end{verbatim}
+% \end{quote}
+%
+% \begin{History}
+% \begin{Version}{2007/05/30 v1.0}
+% \item
+% First version.
+% \end{Version}
+% \end{History}
+%
+% \PrintIndex
+%
+% \Finale
+\endinput