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I have a macros.tex file where I keep my macros and I use them with different document classes. I want to skip including some of my macros based on the document class (e.g. if it is beamer). How can I branch based the document class?

marked as duplicate by Kaveh, Community May 31 '16 at 3:27

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    \@ifclassloaded{class}[true}{false} See CTAN source2e ctan.org/pkg/source2e – John Kormylo May 31 '16 at 3:19
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    There's \@ifclassloaded{<class>}{<true>}{<false>}. And other, related, commands.... – jon May 31 '16 at 3:20