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Date: Mon, 18 Feb 2008 19:05:22 -0500
From: "John W. Kennedy" <jwkenne@attglobal.net>
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Subject: Re: Automated conversion to C++?
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Date: 2008-02-18T19:05:22-05:00
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Peter C. Chapin wrote:
> Larry Kilgallen wrote:
> 
>> How would you write a line that had an ASCII 10 in the middle
>> and get back that line that had an ASCII 10 in the middle, as
>> you can with the Ada compiler I currently use ?
> 
> Does the Ada standard actually *require* end of line indications to be 
> represented in the file in a way other than by using a distinguished 
> character sequence? If it does not require this than it would seem like 
> a standard implementation could in some cases write one line and then 
> read back more than one.

"The actual nature of terminators is not defined by the language and 
hence depends on the implementation. Although terminators are recognized 
or generated by certain of the procedures that follow, they are not 
necessarily implemented as characters or as sequences of characters. 
Whether they are characters (and if so which ones) in any particular 
implementation need not concern a user who neither explicitly outputs 
nor explicitly inputs control characters. The effect of input (Get) or 
output (Put) of control characters (other than horizontal tabulation) is 
not specified by the language."

So both Unix-style I/O and IBM-mainframe-style I/O are permitted, just 
as one would expect in any modern language.

-- 
John W. Kennedy
"There are those who argue that everything breaks even in this old dump 
of a world of ours. I suppose these ginks who argue that way hold that 
because the rich man gets ice in the summer and the poor man gets it in 
the winter things are breaking even for both. Maybe so, but I'll swear I 
can't see it that way."
   -- The last words of Bat Masterson