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graysky/preview_email.rb

Created November 20, 2009 15:43
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preview_email.rb
# Open an email in Mail.app to preview an HTML email.
#
# Usage: preview_email( MyMailer.create_welcome_msg )
#
def preview_email(tmail)
f = File.open("#{Dir::tmpdir}/email_preview_#{rand(10000)}.eml", 'w')
f.write(tmail.to_s)
f.flush
f.close
`open #{f.path}`
f
end
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