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I'm writing a macro to write commands to a file. These commands are supposed to be read when building my document.

The lines I use to write to the file is : 

\newwrite\outtest
\immediate\openout\outtest=\jobname.ong
\immediate\write\outtest{\unexpanded{\ShowF{#1}{#2}{#3}{#4}{#5}{#6}}\wbgroup\getpagerefnumber{\the\value{line}}\wegroup \writepercent}%

It write things like this in the file jobname.ong : 

\ShowF {1}{A}{AB}{ABI}{0}{\Trad {}{}{}{}}{5}%
\ShowF {1}{A}{AB}{ABO}{0}{\Trad {}{}{}{}}{5}%
\ShowF {1}{A}{AB}{ABR}{0}{\Trad {}{}{}{}}{5}%

I also need to use \obeyspaces to be uses in conjonction with a mono font.

For an unknown reason, my document fail to build with \obeyspaces but work fine without. I noticed that when I remove the blank lines in jobname.ong, my document compile fine : 

\ShowF{1}{A}{AB}{ABI}{0}{\Trad{}{}{}{}}{5}%
\ShowF{1}{A}{AB}{ABO}{0}{\Trad{}{}{}{}}{5}%
\ShowF{1}{A}{AB}{ABR}{0}{\Trad{}{}{}{}}{5}%

Do you know how to remove blank lines after a command in an output file ?

Do you know why \obeyspaces complain about these spaces ?

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  • please edit the question so people can run the example and see the issue, it is much harder to debug disconnected fragments.
    – David Carlisle
    Nov 7, 2018 at 22:10
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    if \obeyspaces is in force then in \ShowF {1}{ the first argument of \ShowF is the active space not {1} is that your question?
    – David Carlisle
    Nov 7, 2018 at 22:11
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    I do not see any blank lines do you mean avoid writing the space? perhaps \immediate\write\outtest{\string\ShowF\unexpanded{{#1}{#2}{#3}{#4}{#5}{#6}}\wbgroup\getpagerefnumber{\the\value{line}}\wegroup \writepercent}%
    – David Carlisle
    Nov 7, 2018 at 22:14
  • Puting \string before the commands to write solve my problem. Thanks !
    – JeanJouX
    Nov 7, 2018 at 22:36

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I do not see any blank lines do you mean avoid writing the space? perhaps 

\immediate\write\outtest{\string\ShowF\unexpanded{{#1}{#2}{#3}{#4}{#5}{#6}}\wbgroup\getpagerefnumber{\the\value{line}}\wegroup \writepercent}%
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