\stepcounter increments by two, when used with listings

Question

Users,

my counter usually gets incremented by 1, when I use \stepcounter{mycounter}

But surprisingly, it gets incremented by 2, when I use it together with listings:

\lstinputlisting[
    title={\stepcounter{mycounter}\arabic{mycounter},
    firstline=1, lastline=10, firstnumber=1
]{mytextfile.txt}

What's wrong about that?
And how can I achieve the counter to be incremented by one?

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I cannot see it with your code, it is incremented by 1! Create a complete example which shows your behaviour!

eudoxos · Answer 1 · 2011-09-21 16:45:23Z

up vote 3 down vote

I bet listings measures width of the title by typestting it into a box which is then discarded, before typesetting it for real, or something similar. Then you get the counter incremented twice.

answered Sep 21 '11 at 16:45

eudoxos
1,205317

Thank you for your reply. It sounds like a good idea. Do you know a way around this behaviour? – user8006 Sep 21 '11 at 17:10

2

@Timo: Perhaps put the \stepcounter before the listing, rather than in the title? It has only one title and, logically, the numbering belongs to the listing and not to the title itself. – Ryan Reich Sep 21 '11 at 17:18

If you use it repeatedly, wrap it in a macro like

\def\myListing#1{\stepcounter{mycounter}\lstinputlisting[title={\arabic{mycount‌er}},firstline=1,lastline=10,firstnumber=1]{#1}}

and then use \myListing{mytextfile.txt}. – eudoxos Sep 21 '11 at 17:54

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\stepcounter increments by two, when used with listings

migrated from stackoverflow.com Sep 21 '11 at 16:43

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\stepcounter increments by two, when used with listings

migrated from stackoverflow.com Sep 21 '11 at 16:43

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