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executable file 64 lines (55 sloc) 2.285 kB
#!/usr/bin/env ruby
require 'irb'
IRB_CONTEXT_TOPLEVEL_ARGS = [self, TOPLEVEL_BINDING.dup]
module IRB
# Just a namespace so not to pollute the toplevel namespace with lvars.
module Bin
driver = nil
ignore_irbrc = false
unless ARGV.empty?
require 'optparse'
OptionParser.new do |opt|
bin = File.basename($0)
opt.banner = "Usage: #{bin} [options] [programfile] [arguments]"
opt.on("-f", "Ignore ~/.irbrc") { |i| ignore_irbrc = i }
opt.on("-r load-lib", "Loads the given library (same as `ruby -r')") { |l| require l }
opt.on("-d", "Set $DEBUG to true (same as `ruby -d')") { $DEBUG = true }
opt.on("-I path", "Add path to $LOAD_PATH") { |p| $LOAD_PATH.unshift(p) }
opt.on("--driver name", "As driver, use one of: tty, readline, or socket") { |d| driver = d }
opt.on("--noinspect", "Don't use inspect for output") { IRB.formatter.inspect = false }
opt.on("--simple-prompt", "Simple prompt mode") { IRB.formatter.prompt = :simple }
opt.on("--noprompt", "No prompt mode") { IRB.formatter.prompt = nil }
opt.on("-v", "--version", "Print the version of #{bin}") do
$stdout.puts IRB::VERSION::DESCRIPTION
exit
end
end.parse!(ARGV)
end
unless ignore_irbrc
irbrc = File.expand_path("~/.irbrc")
load(irbrc) if File.exist?(irbrc)
end
IRB.formatter.filter_from_backtrace << /^#{__FILE__}/
if ARGV.empty?
if driver == 'socket'
require "irb/driver/socket"
IRB::Driver.redirect_output! do
irb(*IRB_CONTEXT_TOPLEVEL_ARGS)
end
else
driver ||= begin
require 'readline'
'readline'
rescue LoadError
'tty'
end
require "irb/driver/#{driver}"
irb(*IRB_CONTEXT_TOPLEVEL_ARGS)
end
else
path = ARGV.shift
context = IRB::Context.new(*IRB_CONTEXT_TOPLEVEL_ARGS)
File.open(path, 'r') { |f| f.each_line { |line| context.input_line(line) } }
end
end
end
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