From: Gavin Sinclair <gsinclair@...>
Date: 2004-12-07T09:59:01+09:00
Subject: Re: Ruby 2.0

On Tuesday, December 7, 2004, 12:15:42 AM, Michael wrote:

> Gavin Sinclair wrote:
>> On Monday, December 6, 2004, 10:43:50 PM, Michael wrote:
>> 
>> 
>>>ruby -rcomplex
>>>-e'c,m,w,h=Complex(-0.75,0.136),50,200,100;puts"P6\n"+\
>>>"#{w}
>>>#{h}\n255";(0...h).each{|j|(0...w).each{|i|n,z=0,Complex(0.9*i/w,\
>>>0.9*j/h);while n<=m&&(z-c).abs<=2;z=z*z+c;n+=1 end;print [20+n*10,0,\
>>>rand*99].pack("C*")}}'|display
>> 
>> 
>> Running that on Cygwin, I get
>> 
>> display: unable to open X server `'.
>> -e:4:in `write': Broken pipe (Errno::EPIPE)
>>         from -e:4:in `print'
>>         from -e:4
>>         from -e:2:in `each'
>>         from -e:2
>>         from -e:2:in `each'
>>         from -e:2
>> 
>> Probably a platform issue, but I gotta say I'm a bit surprised.

> Probably due to 'display'. The ruby code generates a .pnm image, which
> is then displayed using 'display' (ImageMagick).

But the code doesn't require rmagick, does it?

Gavin