The Surprising Slowness of textConnection() in R | /en/2026/03/slow-textconnection/

[giscus[bot]]

Earlier this month, @idavydov filed an issue against Quarto reporting that it is about 100x slower than rmarkdown for documents with long output. The minimal reprex was striking:
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https://yihui.org/en/2026/03/slow-textconnection/

[XiangyunHuang]

这篇文章让我想起来我曾在使用函数 sprintf() 时遇到一个稍微类似的问题，当我塞给它一大段 SQL 时，它也是容量有限，报错了，最后，发现 glue 包的 glue() 函数无此限制。