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#: * `command` <cmd>:
#: Display the path to the file which is used when invoking `brew` <cmd>.
require "commands"
module Homebrew
module_function
def command
abort "This command requires a command argument" if ARGV.empty?
cmd = HOMEBREW_INTERNAL_COMMAND_ALIASES.fetch(ARGV.first, ARGV.first)
path = Commands.path(cmd)
cmd_paths = PATH.new(ENV["PATH"]).append(Tap.cmd_directories) unless path
path ||= which("brew-#{cmd}", cmd_paths)
path ||= which("brew-#{cmd}.rb", cmd_paths)
odie "Unknown command: #{cmd}" unless path
puts path
end
end
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