File: email0.rb

Project: Invitation to Ruby

#!/usr/bin/env ruby

require 'dbi'

db = DBI.connect ("DBI:Pg:jim", "jim")

sql = <<-SQL
SELECT email
FROM person, email
WHERE person.personid = email.personid
AND person.nick = ? 
ORDER BY nick, type
SQL

statement = db.prepare(sql)
statement.execute(ARGV[0])

while row = statement.fetch
  puts row[0] if row
end

statement.finish
db.disconnect


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