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Diffstat (limited to 'jni/ruby/sample/from.rb')
-rw-r--r-- | jni/ruby/sample/from.rb | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/jni/ruby/sample/from.rb b/jni/ruby/sample/from.rb new file mode 100644 index 0000000..db1299c --- /dev/null +++ b/jni/ruby/sample/from.rb @@ -0,0 +1,113 @@ +#! /usr/local/bin/ruby + +require "time" +require "kconv" + +class String + def kjust(len) + res = '' + rlen = 0 + self.each_char do |char| + delta = char.bytesize > 1 ? 2 : 1 + break if rlen + delta > len + rlen += delta + res += char + end + res += ' ' * (len - rlen) if rlen < len + res + end +end + +def fromout(date, from, subj) + return 0 if !date + y, m, d = Time.parse(date).to_a.reverse[4, 3] if date + y ||= 0; m ||= 0; d ||= 0 + from ||= "sombody@somewhere" + from.delete!("\r\n") + from = from.kconv(Encoding.default_external).kjust(28) + subj ||= "(nil)" + subj.delete!("\r\n") + subj = subj.kconv(Encoding.default_external).kjust(40) + printf "%02d/%02d/%02d [%s] %s\n", y%100, m, d, from, subj + return 1 +end + +def get_mailfile(user) + file = user + unless user + file = ENV['MAIL'] + user = ENV['USER'] || ENV['USERNAME'] || ENV['LOGNAME'] + end + + if file == nil or !File.exist?(file) + [ENV['SPOOLDIR'], '/usr/spool', '/var/spool', '/usr', '/var'].each do |m| + path = "#{m}/mail/#{user}" + if File.exist?(path) + file = path + break + end + end + end + file +end + +def from_main + if ARGV[0] == '-w' + wait = true + ARGV.shift + end + file = get_mailfile(ARGV[0]) + + outcount = 0 + if File.exist?(file) + atime = File.atime(file) + mtime = File.mtime(file) + open(file, "r") do |f| + until f.eof? + header = {} + f.each_line do |line| + next if /^From / =~ line # skip From-line + break if /^$/ =~ line # end of header + + if /^(?<attr>\S+?):\s*(?<value>.*)/ =~ line + attr.capitalize! + header[attr] = value + elsif attr + header[attr] += "\n" + line.lstrip + end + end + + f.each_line do |line| + break if /^From / =~ line + end + outcount += fromout(header['Date'], header['From'], header['Subject']) + end + end + File.utime(atime, mtime, file) + end + + if outcount == 0 + print "You have no mail.\n" + sleep 2 if wait + elsif wait + system "stty cbreak -echo" + $stdin.getc + system "stty cooked echo" + end +end + +if __FILE__ == $0 + from_main +end + +__END__ + +=begin + += from.rb + +== USAGE + +ruby from.rb [-w] [username_or_filename] + +=end |