To cite package ‘fpeek’ in publications use:

  Gohel D (2024). _fpeek: Check Text Files Content at a Glance_. R
  package version 0.1.2, <https://github.com/davidgohel/fpeek>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fpeek: Check Text Files Content at a Glance},
    author = {David Gohel},
    year = {2024},
    note = {R package version 0.1.2},
    url = {https://github.com/davidgohel/fpeek},
  }