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Re: Hidden fields in zgrams!

daemon@ATHENA.MIT.EDU (Rob Earhart)
Sun Aug 11 18:37:53 1996

Date: Sun, 11 Aug 1996 18:34:30 -0400 (EDT)
From: Rob Earhart <earhart+@CMU.EDU>
To: zephyr@MIT.EDU
In-Reply-To: <9608022221.AA19274@pickled-herring.MIT.EDU>

  Heh - we've used these at Andrew for ages.  Dmitri Schoeman wrote
the following twisted hack for sending them...

alias zwhid 'gawk '\''BEGIN {{print "Type your message now.  End with control-D or a dot on a line by itself." > "/dev/stderr"} {il=0}}{if ($0 != "."){{if (il == 1){{print "\000"}{il=0}}}{print $0}}else{{print "Type the next hidden text." > "/dev/stderr"}{il=1}}}'\''|zwrite '

  ... and the following zwgc snippet to read them

	if ($number_of_fields != "0") then
		set fieldscontent = ""
		while ($number_of_fields != "0") do
			fields onefield
			if ($onefield =~ "\n$") then
				set dummy = rany($onefield, "\n")
			endif
			set fieldscontent = $fieldscontent + $onefield
			if ($number_of_fields != "0") then
				set fieldscontent = $fieldscontent + "\n\n@b(-------)\n"
			endif
		endwhile
		print "@bold(Extra Fields:)\n"
		print $fieldscontent
	endif

  )Rob

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