RI(1) 1 (ruby programmer's reference guide) RI(1) (NAME) ri - API (SYNOPSIS) ri [-ahilTv] [-d DIRNAME] [-f FORMAT] [-w WIDTH] [--[no-]pager] [--server[=PORT]] [--[no-]list-doc-dirs] [--no-standard-docs] [--[no-]{system|site|gems|home}] [--[no-]profile] [--dump=CACHE] [name ...] (DESCRIPTION) ri API Ruby . ri API . ri Ruby . name : Class | Module | Module::Class Class::method | Class#method | Class.method | method gem_name: | gem_name:README | gem_name:History ruby: | ruby:NEWS | ruby:globals . . `.' (instance) #method ::method . README gem . gem `:' gem . . : ri Fil ri File ri File.new ri zip ri rdoc:README (quoting) (escaping) : ri 'Array.[]' ri compact\! ri : ri --list-doc-dirs --system, --site, --home, --gems, --doc-dir ri . ri RI . (pager) ri RI_PAGER PAGER . (OPTIONS) -i --[no-]interactive . -a --[no-]all . -l --[no-]list ri . --[no-]pager (pager) stdout. -T --no-pager. -w WIDTH --width=WIDTH . --server[=PORT] RDoc . 8214 . -f FORMAT --format=FORMAT (formatter) . bs ansi . : ansi, bs, markdown, rdoc. -h --help . -v --version . : --[no-]list-doc-dirs ri stdout . -d DIRNAME --doc-dir=DIRNAME . . --no-standard-docs Ruby site_lib gem ~/.rdoc . --doc-dir . --[no-]system Ruby. true . --[no-]site site_lib. true . --[no-]gems RubyGems. true . --[no-]home ~/.rdoc. true . : --[no-]profile Ruby. --dump=CACHE (dump) ri. (ENVIRONMENT) RI . RI_PAGER PAGER (pager) . HOME USERPROFILE HOMEPATH . (FILES) ~/.rdoc ri . (SEE ALSO) ruby(1), rdoc(1), gem(1) (BUGS) o security@ruby-lang.org . . o Ruby (https://bugs.ruby-lang.org) . . (AUTHORS) Dave Thomas . UNIX April 20, 2017 UNIX