pacman-files
Arch Linux package manager utility.
TLDR
Update the package database
$ sudo pacman --files --refresh
Find the package that owns a specific file
$ pacman --files [filename]
Find the package that owns a specific file, using a regular expression
$ pacman --files --regex '[regular_expression]'
List only the package names
$ pacman --files --quiet [filename]
List the files owned by a specific package
$ pacman --files --list [package]
Display help
$ pacman --files --help
