When you pipe the output, ls acts differently.
This fact is hidden away in the info documentation:
If standard output is a terminal, the output is in columns (sorted vertically) and control characters are output as question marks; otherwise, the output is listed one per line and control characters are output as-is.
To prove it, try running
ls
and then
ls | less
A map of Westeros and the rest of the known world in Game of Thrones and the Song of Ice & Fire novels. Mark how much of the TV show or novels you've seen to prevent seeing any spoilers. See the path of major characters over time.
Published Research Article of Journal of Biodiversity and Environmental Sciences. JBES published 12 issue per year. Here is the February issue of 2011.
D. Schmidt, A. Zehe, J. Lorenzen, L. Sergel, S. Düker, M. Krug, and F. Puppe. Proceedings of the 5th Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature, page 49--56. Punta Cana, Dominican Republic (online), Association for Computational Linguistics, (November 2021)
D. Schmidt, A. Zehe, J. Lorenzen, L. Sergel, S. Düker, M. Krug, and F. Puppe. Proceedings of the 5th Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature, page 49--56. Punta Cana, Dominican Republic (online), Association for Computational Linguistics, (November 2021)