summaryrefslogtreecommitdiff
path: root/ruby_1_8_5/sample/rss/rss_recent.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ruby_1_8_5/sample/rss/rss_recent.rb')
-rw-r--r--ruby_1_8_5/sample/rss/rss_recent.rb81
1 files changed, 81 insertions, 0 deletions
diff --git a/ruby_1_8_5/sample/rss/rss_recent.rb b/ruby_1_8_5/sample/rss/rss_recent.rb
new file mode 100644
index 0000000000..7821df5c7b
--- /dev/null
+++ b/ruby_1_8_5/sample/rss/rss_recent.rb
@@ -0,0 +1,81 @@
+#!/usr/bin/env ruby
+
+require "nkf"
+class String
+ # From tdiary.rb
+ def shorten( len = 120 )
+ lines = NKF::nkf( "-e -m0 -f#{len}", self.gsub( /\n/, ' ' ) ).split( /\n/ )
+ lines[0].concat( '...' ) if lines[0] and lines[1]
+ lines[0]
+ end
+end
+
+require "rss"
+
+items = []
+verbose = false
+
+def error(exception)
+ mark = "=" * 20
+ mark = "#{mark} error #{mark}"
+ puts mark
+ puts exception.class
+ puts exception.message
+ puts exception.backtrace
+ puts mark
+end
+before_time = Time.now
+ARGV.each do |fname|
+ if fname == '-v'
+ verbose = true
+ next
+ end
+ rss = nil
+ f = File.new(fname).read
+ begin
+ ## do validate parse
+ rss = RSS::Parser.parse(f)
+ rescue RSS::InvalidRSSError
+ error($!) if verbose
+ ## do non validate parse for invalid RSS 1.0
+ begin
+ rss = RSS::Parser.parse(f, false)
+ rescue RSS::Error
+ ## invalid RSS.
+ error($!) if verbose
+ end
+ rescue RSS::Error
+ error($!) if verbose
+ end
+ if rss.nil?
+ puts "#{fname} does not include RSS 1.0 or 0.9x/2.0"
+ else
+ begin
+ rss.output_encoding = "euc-jp"
+ rescue RSS::UnknownConversionMethodError
+ error($!) if verbose
+ end
+ rss.items.each do |item|
+ if item.respond_to?(:pubDate) and item.pubDate
+ class << item
+ alias_method(:dc_date, :pubDate)
+ end
+ end
+ if item.respond_to?(:dc_date) and item.dc_date
+ items << [rss.channel, item]
+ end
+ end
+ end
+end
+processing_time = Time.now - before_time
+
+items.sort do |x, y|
+ y[1].dc_date <=> x[1].dc_date
+end[0..20].each do |channel, item|
+ puts "#{item.dc_date.localtime.iso8601}: " <<
+ "#{channel.title}: #{item.title}"
+ puts " Description: #{item.description.shorten(50)}" if item.description
+end
+
+puts "Used XML parser: #{RSS::Parser.default_parser}"
+puts "Processing time: #{processing_time}s"