f

#### write file + input file + write file

Hi,
I want to write some latex command to a file (file1), input the file
at the end of the document. These command shall write to another file
(file2) and at a second run I use the file2.
Whatever I have tried nothing works and I don't known why. The goal is
to save a set of special commands and run them at the end of the
document, because they use some values which are only available at the
end!

I should be something like:

\begin{document}
\usepackage{style}
\input{file2} %file exists from a previous run
\end{document}

style.sty:

\newwrite\fileone
\openout\fileone=file1.out

\newwrite\filetwo
\openout\filetwo=file2.out

\newcommand{\writetofiletwo}[1]{%
\write\filetwo{#1}%
}

\newcommand{\writetofileone}[1]{%
\write\fileone{\writetofiletwo{some text}}%
}

\AtEndDocument{\closeout\fileone%
\input{file1}%
\closeout\filetwo%
}


 0
greenux (83)
12/9/2011 3:19:37 PM
comp.text.tex 39029 articles. 3 followers.

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Problem solved :-)
\immediate\closeout before \input was required.

 0
greenux (83)
12/9/2011 3:26:59 PM
greenux wrote:

> Hi,
> I want to write some latex command to a file (file1), input the file
> at the end of the document. These command shall write to another file
> (file2) and at a second run I use the file2.
> Whatever I have tried nothing works and I don't known why. The goal is
> to save a set of special commands and run them at the end of the
> document, because they use some values which are only available at the
> end!
> Thanks in advance!
>
> I should be something like:
>
> \begin{document}
> \usepackage{style}
> \input{file2} %file exists from a previous run
> \end{document}
>
> style.sty:
>
> \newwrite\fileone
> \openout\fileone=file1.out
>
> \newwrite\filetwo
> \openout\filetwo=file2.out
>
> \newcommand{\writetofiletwo}[1]{%
> \write\filetwo{#1}%
> }
>
> \newcommand{\writetofileone}[1]{%
> \write\fileone{\writetofiletwo{some text}}%
> }
>
> \AtEndDocument{\closeout\fileone%

The \closeout should take place in the \immediate-fashion,
not the "delayed" fashion as \input will take place immedately
as well.

> \input{file1}%
> \closeout\filetwo%
> }

How about using the LaTeX-kernel's

That mechanism is intended to maintain external-files
by means of \@writefile-emtries into the aux-file:

\addtocontents puts a \@writefile-entry into the aux-file.
\@starttoc inputs, re-creates and opens the file in question
for writing to it.
\@writefile is carried out when the aux-file is read at the end
of the LaTeX-run and only in case an appropriate \@starttoc
occurred somewhere during the LaTeX.run, stuff will then be
written to the external-file in question.

A minimal example exhibiting that mechanism could look
like this:

\documentclass{article}

\makeatletter
% maintain via the aux-file a file \jobname.two:
\newcommand\inputfiletwo{\@starttoc{two}}%
\newcommand\filetwoentry[1]{%
}
\makeatother

\begin{document}

In the sources, not in the resulting pdf/dvi, you will find the
first entry to \texttt{\jobname.two} behind this line of text.\\
\filetwoentry{Line1\\}
In the sources, not in the resulting pdf/dvi, you will find the
second entry to \texttt{\jobname.two} behind this line of text.\\
\filetwoentry{Line2\\}
\bigskip

Both in the source and in the resulting pdf/dvi, you will%
---after the second LaTeX-run---find the contents of
\texttt{\jobname.two} behind this line of text:\\
\inputfiletwo
\bigskip

In the sources, not in the resulting pdf/dvi, you will find the
third entry to \texttt{\jobname.two} behind this line of text.\\
\filetwoentry{Line3\\}
In the sources, not in the resulting pdf/dvi, you will find the
fourth entry to \texttt{\jobname.two} behind this line of text.\\
\filetwoentry{Line4\\}
In the sources, not in the resulting pdf/dvi, you will find the
fifth entry to \texttt{\jobname.two} behind this line of text.\\
\filetwoentry{Line5\\}

\end{document}

Ulrich

 0
eu_angelion (344)
12/10/2011 1:57:51 PM

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