From: Greg Hauptmann <greg.hauptmann.ruby@...>
Date: 2007-02-16T04:49:22+09:00
Subject: within a block passed to "each" can I detect the last time the block is called?

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Hi,

Does anyone know a way for the below code, to tell when the last block is
called via "each" so that I can detect this and not add a superfluous "&" to
the end of the string being built up?

    postDataHash.each { |key, value|
      postDataString << "#{key}=#{value}&"
    }

Tks
Greg

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