\documentclass{article} \usepackage{environ} \NewEnviron{savetext}{\BODY\xdef\SavedText{\BODY}} \NewEnviron{savetext}{\xdef\SavedText{\BODY}\SavedText} \usepackage{blindtext} \begin{document} \begin{savetext} foo bar baz Foo Bar Baz \end{savetext} \SavedText \end{document}

\documentclass{article} \usepackage{environ} \NewEnviron{savetext}{\BODY\xdef\SavedText{\BODY}} \usepackage{blindtext} \begin{document} \begin{savetext} foo bar baz Foo Bar Baz \end{savetext} \SavedText \end{document}