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Message: [QUOTE="F. Senault, post: 4616352"] Le 20 août 2008 à 22:25, Nick Brown a écrit : Don't ask me why (yet) but... a = cgi['a'].dup and... 22:47 fred@balvenie:~/> ruby test.rb (offline mode: enter name=value pairs on standard input) a=hi Inserting value a=bye into the database. What was actually inserted into the database: bye .... It seems that CGI does horrible, horrible things to its strings : require 'cgi' cgi = CGI.new('html4') a = cgi['a'] #.dup b = cgi['a'].dup puts "A :" a.sub!(/hi/, 'bye') puts a.to_s puts a.inspect puts a.class puts "B :" b.sub!(/hi/, 'bye') puts b.to_s puts b.inspect puts b.class Gives : 22:53 fred@balvenie:~> ruby test.rb (offline mode: enter name=value pairs on standard input) a=hi A : hi "bye" String B : bye "bye" String Ugh ! Fred [/QUOTE]