ajay paswan wrote in post #1085970:
> unknown wrote in post #1085940:
>> Am 22.11.2012 13:07, schrieb ajay paswan:
>>>
>>> Note: I want to append.
>>
>> A quick search for the error message shows that
>> this is a Ruby 1.8 issue...
>>
>> With Ruby 1.9.3-p194 it works perfectly.
>
> but am using ruby 1.9.3p327.

Sure you don't have two versions installed at once? Try adding to the 
top of your script:

puts RUBY_DESCRIPTION

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