1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/sample/pty/expect_sample.rb
zzak c366a99cc5 * lib/cgi.rb: [DOC] Capitalize "Ruby" in documentation [Fixes GH-341]
Patch by Dave Worth https://github.com/ruby/ruby/pull/341
* lib/webrick.rb: ditto
* lib/scanf.rb: ditto
* lib/xmlrpc/config.rb: ditto
* lib/resolv.rb: ditto
* lib/e2mmap.rb: ditto
* lib/fileutils.rb: ditto
* lib/mkmf.rb: ditto
* lib/cgi/session.rb: ditto
* lib/yaml.rb: ditto
* lib/erb.rb: ditto
* lib/irb.rb: ditto
* lib/tracer.rb: ditto
* lib/net/http.rb: ditto
* ext/syslog/lib/syslog/logger.rb: ditto
* sample/pty/expect_sample.rb: ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42045 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-07-18 13:50:32 +00:00

48 lines
896 B
Ruby

#
# sample program of expect.rb
#
# by A. Ito
#
# This program reports the latest version of Ruby interpreter
# by connecting to ftp server at ruby-lang.org.
#
require 'pty'
require 'expect'
fnames = []
PTY.spawn("ftp ftp.ruby-lang.org") do |r_f,w_f,pid|
w_f.sync = true
$expect_verbose = false
if !ENV['USER'].nil?
username = ENV['USER']
elsif !ENV['LOGNAME'].nil?
username = ENV['LOGNAME']
else
username = 'guest'
end
r_f.expect(/^(Name).*: |(word):|> /) do
w_f.puts($1 ? "ftp" : $2 ? "#{username}@" : "cd pub/ruby")
end
r_f.expect("> ") do
w_f.print "dir\n"
end
r_f.expect(/[^\-]> /) do |output|
for x in output[0].split("\n")
if x =~ /(ruby.*?\.tar\.gz)/ then
fnames.push $1
end
end
end
begin
w_f.print "quit\n"
rescue
end
end
print "The latest ruby interpreter is "
print fnames.sort.pop
print "\n"