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c366a99cc5
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
48 lines
896 B
Ruby
48 lines
896 B
Ruby
#
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# sample program of expect.rb
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#
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# by A. Ito
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#
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# This program reports the latest version of Ruby interpreter
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# by connecting to ftp server at ruby-lang.org.
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#
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require 'pty'
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require 'expect'
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fnames = []
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PTY.spawn("ftp ftp.ruby-lang.org") do |r_f,w_f,pid|
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w_f.sync = true
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$expect_verbose = false
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if !ENV['USER'].nil?
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username = ENV['USER']
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elsif !ENV['LOGNAME'].nil?
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username = ENV['LOGNAME']
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else
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username = 'guest'
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end
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r_f.expect(/^(Name).*: |(word):|> /) do
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w_f.puts($1 ? "ftp" : $2 ? "#{username}@" : "cd pub/ruby")
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end
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r_f.expect("> ") do
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w_f.print "dir\n"
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end
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r_f.expect(/[^\-]> /) do |output|
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for x in output[0].split("\n")
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if x =~ /(ruby.*?\.tar\.gz)/ then
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fnames.push $1
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end
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end
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end
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begin
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w_f.print "quit\n"
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rescue
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end
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end
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print "The latest ruby interpreter is "
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print fnames.sort.pop
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print "\n"
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