matthew@bumble:~/rlivsey$ irb --version
irb 0.9.5(05/04/13)
matthew@bumble:~/rlivsey$ ruby --version
ruby 1.8.6 (2007-09-24 patchlevel 111) [x86_64-linux]
matthew@bumble:~/rlivsey$ irb
irb(main):001:0> name = "réunion-journalière"
=> "r\303\251union-journali\303\250re"
irb(main):002:0> File.open(name, 'w'){|f| f.write 'x' }
=> 1
irb(main):003:0> exit
matthew@bumble:~/rlivsey$ ls -la
total 12
drwxr-xr-x  2 matthew matthew 4096 2009-07-03 23:27 .
drwxr-xr-x 15 matthew matthew 4096 2009-07-03 23:26 ..
-rw-r--r--  1 matthew matthew    1 2009-07-03 23:27 réunion-journalière