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From: Geert Dobbels <dobbels.geert@googlemail.com>
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Subject: Re: xtable headers and handlecsv loop
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Wolfgang,

Thanks for this.  It works, however, the page where the table starts has
three lines of text before the table starts.  After inserting
"split=repeat", the table jumps to the next page, leaving the rest of
the page with the three lines of text completely blank.  This did not
happen without the "split=repeat".

Geert



On 03/04/2020 12:18, Wolfgang Schuster wrote:
> Geert Dobbels schrieb am 03.04.2020 um 11:57:
>> Hello,
>>
>> The sample below has 2 problems I cannot find the solution for:
>>
>> I am reading a table from a CSV file and want to typeset it via \xtable.
>>
>> The xtable as defined below works, it splits over several pages, but
>> the header does not repeat. I have seen examples in the mailing list
>> where people put the "\startxtable.....\stopxtable" within a
>> \placefigure, but as soon as I try this, I get an error message:
>> "missing } or endgroup", although I doublechecked the "}" and I see
>> no error.
>>
>> The other issue I have: Since xtable requires me to read the header
>> line separately in order to put it between \startxtablehead and
>> \stopxtablehead, I access the csv buffer twice: the first time, I
>> only read the first line, and the second time, I read starting from
>> the second line. My problem here is that I do not know beforehand the
>> number of lines in the csv file. So in my second \doloopfromto I give
>> the second argument a number high enough to be sure it reads all the
>> lines. It works fine, but I would like to know if there is a way to
>> read the number of lines in the csv file to use the exact number of
>> lines, instead of guessing.
>>
>> \usemodule[handlecsv]
>>
>> \opencsvfile{systaprov2.csv}
>>
>> \starttext
>>
>>
>> \startbuffer[loop]
>> \startxrow
>> \startxcell[left] \cA \stopxcell
>> \startxcell[left] \cB \stopxcell
>> \startxcell[left] \cC \stopxcell
>> \startxcell[left] \cD \stopxcell
>> \startxcell \cE \stopxcell
>> \startxcell[left] \cF \stopxcell
>> \startxcell \cG \stopxcell
>> \startxcell \cH \stopxcell
>> \doifdefined{cI}{\startxcell \cI \stopxcell}
>> \doifdefined{cJ}{\startxcell \cJ \stopxcell}
>> \doifdefined{cK}{\startxcell [left] \cK \stopxcell}
>> \stopxrow
>> \stopbuffer
>>
>> \setupxtable[offset=0cm,
>> frame=off,
>> bottomframe=on,
>> framecolor=gray,
>> option=stretch,
>> align=middle]
>>
>> \setupxtable[head][background=color,
>> backgroundcolor=gray,
>> topframe=on,
>> bottomframe=on,
>> framecolor=black,
>> foregroundcolor=blue]
>>
>> \setupxtable[left][align=right]
>>
>> \startxtable[header=repeat]
>
> Add "split=repeat" to \startxtable.
>
>> \startxtablehead[head]
>> \doloopfromto{1}{1}{\getbuffer[loop]}
>> \stopxtablehead
>> \startxtablebody
>> \doloopfromto{2}{500}{\getbuffer[loop]}
>> \stopxtablebody
>>
>> \stopxtable
>>
>> \stoptext
>
> Wolfgang

-- 
-- 
*_IHTS Approvals S.L._*
Geert Dobbels                                                        
geert@ihts.eu <mailto:geert@ihts.eu>
Zubiegi 11, E-01139 Bitoriano (Spain)                  0034 945 462633
ihts.eu

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<html>
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    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <pre class="moz-quote-pre" wrap="">Wolfgang,

Thanks for this.  It works, however, the page where the table starts has
three lines of text before the table starts.  After inserting
"split=repeat", the table jumps to the next page, leaving the rest of
the page with the three lines of text completely blank.  This did not
happen without the "split=repeat".

Geert</pre>
    <br>
    <br>
    <div class="moz-cite-prefix">On 03/04/2020 12:18, Wolfgang Schuster
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:c0b3ddf8-5d49-0322-38fc-5b802cb9238e@gmail.com">Geert
      Dobbels schrieb am 03.04.2020 um 11:57:
      <br>
      <blockquote type="cite">Hello,
        <br>
        <br>
        The sample below has 2 problems I cannot find the solution for:
        <br>
        <br>
        I am reading a table from a CSV file and want to typeset it via
        \xtable.
        <br>
        <br>
        The xtable as defined below works, it splits over several pages,
        but the header does not repeat. I have seen examples in the
        mailing list where people put the "\startxtable.....\stopxtable"
        within a \placefigure, but as soon as I try this, I get an error
        message: "missing } or endgroup", although I doublechecked the
        "}" and I see no error.
        <br>
        <br>
        The other issue I have: Since xtable requires me to read the
        header line separately in order to put it between
        \startxtablehead and \stopxtablehead, I access the csv buffer
        twice: the first time, I only read the first line, and the
        second time, I read starting from the second line. My problem
        here is that I do not know beforehand the number of lines in the
        csv file. So in my second \doloopfromto I give the second
        argument a number high enough to be sure it reads all the lines.
        It works fine, but I would like to know if there is a way to
        read the number of lines in the csv file to use the exact number
        of lines, instead of guessing.
        <br>
        <br>
        \usemodule[handlecsv]
        <br>
        <br>
        \opencsvfile{systaprov2.csv}
        <br>
        <br>
        \starttext
        <br>
        <br>
        <br>
        \startbuffer[loop]
        <br>
        \startxrow
        <br>
        \startxcell[left] \cA \stopxcell
        <br>
        \startxcell[left] \cB \stopxcell
        <br>
        \startxcell[left] \cC \stopxcell
        <br>
        \startxcell[left] \cD \stopxcell
        <br>
        \startxcell \cE \stopxcell
        <br>
        \startxcell[left] \cF \stopxcell
        <br>
        \startxcell \cG \stopxcell
        <br>
        \startxcell \cH \stopxcell
        <br>
        \doifdefined{cI}{\startxcell \cI \stopxcell}
        <br>
        \doifdefined{cJ}{\startxcell \cJ \stopxcell}
        <br>
        \doifdefined{cK}{\startxcell [left] \cK \stopxcell}
        <br>
        \stopxrow
        <br>
        \stopbuffer
        <br>
        <br>
        \setupxtable[offset=0cm,
        <br>
        frame=off,
        <br>
        bottomframe=on,
        <br>
        framecolor=gray,
        <br>
        option=stretch,
        <br>
        align=middle]
        <br>
        <br>
        \setupxtable[head][background=color,
        <br>
        backgroundcolor=gray,
        <br>
        topframe=on,
        <br>
        bottomframe=on,
        <br>
        framecolor=black,
        <br>
        foregroundcolor=blue]
        <br>
        <br>
        \setupxtable[left][align=right]
        <br>
        <br>
        \startxtable[header=repeat]
        <br>
      </blockquote>
      <br>
      Add "split=repeat" to \startxtable.
      <br>
      <br>
      <blockquote type="cite">\startxtablehead[head]
        <br>
        \doloopfromto{1}{1}{\getbuffer[loop]}
        <br>
        \stopxtablehead
        <br>
        \startxtablebody
        <br>
        \doloopfromto{2}{500}{\getbuffer[loop]}
        <br>
        \stopxtablebody
        <br>
        <br>
        \stopxtable
        <br>
        <br>
        \stoptext
        <br>
      </blockquote>
      <br>
      Wolfgang
      <br>
    </blockquote>
    <br>
    <div class="moz-signature">-- <br>
      -- <br>
      <b><u><font size="5"><font color="#808000">IHTS Approvals S.L.</font></font></u></b><br>
      <font color="#808000">Geert
        Dobbels                                                        
        <a href="mailto:geert@ihts.eu">geert@ihts.eu</a></font><br>
      <font color="#808000">Zubiegi 11, E-01139 Bitoriano
        (Spain)                  0034 945 462633</font><br>
      <font color="#808000">ihts.eu</font>
    </div>
  </body>
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