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From: Joel via ntg-context <ntg-context@ntg.nl>
Newsgroups: gmane.comp.tex.context
Subject: How to print a random whole number between x and y?
Date: Fri, 17 Jun 2022 14:10:05 +0000 (UTC)
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I was using this code for a long time in my document. I have a PDF with 10 =
pages, and this would randomly display one of those pages:
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0 \ctxlua{math.randomseed( os.time() )}
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0\getrandomnumber \n {1} {10}
=C2=A0=C2=A0 =C2=A0
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0\placefigure[force, none]{}{\framed[f=
rame=3Doff]{\externalfigure[comic.pdf][page=3D\n, width=3D\textwidth]}}
=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=20
For reasons I cannot understand, after an update of ConTeXt, the code no lo=
nger works, though trying to reduce it to a minimum working example it work=
s, so I cannot figure out what is wrong in my code.
Undefined control sequence

<argument> ...domseed( os.time() )} \par \getrandomnumber \n=20
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 {1} {=
10} \par \placefigure...
\doifsomething #1->\edef \m_syst_string_one {#1
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 }\ifx \m_syst_string_on=
e \emp...
\event ... {#6}{{\bf #6}} \par \doifsomething {#7}
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 {#7 }=
 \par \doifsomething ...

Is there another solution for generating a random whole number between 1 an=
d 10?
--Joel

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<html><head></head><body><div class=3D"yahoo-style-wrap" style=3D"font-fami=
ly:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:10px;"><div dir=
=3D"ltr" data-setdir=3D"false">I was using this code for a long time in my =
document. I have a PDF with 10 pages, and this would randomly display one o=
f those pages:</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div d=
ir=3D"ltr" data-setdir=3D"false"><div>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;=
 \ctxlua{math.randomseed( os.time() )}<br>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &=
nbsp;<br>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\getrandomnumber \n {1} {10}=
<br>&nbsp;&nbsp; &nbsp;<br>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\placefigu=
re[force, none]{}{\framed[frame=3Doff]{\externalfigure[comic.pdf][page=3D\n=
, width=3D\textwidth]}}<br>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; <br></div>=
<div dir=3D"ltr" data-setdir=3D"false">For reasons I cannot understand, aft=
er an update of ConTeXt, the code no longer works, though trying to reduce =
it to a minimum working example it works, so I cannot figure out what is wr=
ong in my code.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div =
dir=3D"ltr" data-setdir=3D"false"><div>Undefined control sequence<br><br>&l=
t;argument&gt; ...domseed( os.time() )} \par \getrandomnumber \n <br>&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {1} {10} \p=
ar \placefigure...<br>\doifsomething #1-&gt;\edef \m_syst_string_one {#1<br=
>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }\ifx \m_syst_string_o=
ne \emp...<br>\event ... {#6}{{\bf #6}} \par \doifsomething {#7}<br>&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {#7 } \par \=
doifsomething ...</div><div><br></div></div><div dir=3D"ltr" data-setdir=3D=
"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">Is there another s=
olution for generating a random whole number between 1 and 10?</div><div di=
r=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"f=
alse">--Joel<br></div></div></div></body></html>
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