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## -*- Ruby -*-
## URLopen
## 1999 by yoshidam
##
## TODO: This module should be writen by Ruby instead of wget/lynx.
module WGET
PARAM = {
'wget' => nil,
'opts' => nil,
'http_proxy' => nil,
'ftp_proxy' => nil
}
def open(url, *rest)
raise TypeError.new("wrong argument type #{url.inspect}" +
" (expected String)") if url.class != String
if url =~ /^\/|^\./ || (url !~ /^http:|^ftp:/ && FileTest.exist?(url))
File::open(url, *rest)
else
ENV['http_proxy'] = PARAM['http_proxy'] if PARAM['http_proxy']
ENV['ftp_proxy'] = PARAM['ftp_proxy'] if PARAM['ftp_proxy']
IO::popen(PARAM['wget'] + ' ' + PARAM['opts'] + ' ' + url)
end
end
module_function :open
end
[ '/usr/local/bin/wget', '/usr/bin/wget',
'/usr/local/bin/lynx', '/usr/bin/lynx',
'/usr/local/bin/lwp-request', '/usr/bin/lwp-request' ].each do |p|
if FileTest.executable?(p)
WGET::PARAM['wget'] = p
case p
when /wget$/
WGET::PARAM['opts'] = '-q -O -'
when /lynx$/
WGET::PARAM['opts'] = '-source'
when /lwp-request$/
WGET::PARAM['opts'] = '-m GET'
end
break
end
end
raise "wget not found" if !WGET::PARAM['wget']
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