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copied!<p>By default, you already have access to <a href="http://www.ruby-doc.org/core/classes/Dir.html" rel="noreferrer">Dir</a> and <a href="http://www.ruby-doc.org/core/classes/File.html" rel="noreferrer">File</a>, which are pretty useful by themselves.</p> <pre><code>Dir['*.rb'] #basic globs Dir['**/*.rb'] #** == any depth of directory, including current dir. #=> array of relative names File.expand_path('~/file.txt') #=> "/User/mat/file.txt" File.dirname('dir/file.txt') #=> 'dir' File.basename('dir/file.txt') #=> 'file.txt' File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings' __FILE__ #=> the name of the current file </code></pre> <p>Also useful from the stdlib is <a href="http://www.ruby-doc.org/stdlib/libdoc/fileutils/rdoc/index.html" rel="noreferrer">FileUtils</a></p> <pre><code>require 'fileutils' #I know, no underscore is not ruby-like include FileUtils # Gives you access (without prepending by 'FileUtils.') to cd(dir, options) cd(dir, options) {|dir| .... } pwd() mkdir(dir, options) mkdir(list, options) mkdir_p(dir, options) mkdir_p(list, options) rmdir(dir, options) rmdir(list, options) ln(old, new, options) ln(list, destdir, options) ln_s(old, new, options) ln_s(list, destdir, options) ln_sf(src, dest, options) cp(src, dest, options) cp(list, dir, options) cp_r(src, dest, options) cp_r(list, dir, options) mv(src, dest, options) mv(list, dir, options) rm(list, options) rm_r(list, options) rm_rf(list, options) install(src, dest, mode = <src's>, options) chmod(mode, list, options) chmod_R(mode, list, options) chown(user, group, list, options) chown_R(user, group, list, options) touch(list, options) </code></pre> <p>Which is pretty nice </p>

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