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devel / comp.lang.ada / Re: ADA program

SubjectAuthor
* ADA programDirrm
+- Re: ADA programAdaMagica
`* Re: ADA programJeffrey R.Carter
 `- Re: ADA programviviane ghada

1
ADA program

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Subject: ADA program
From: eonchagwa2345@gmail.com (Dirrm)
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 by: Dirrm - Mon, 12 Dec 2022 20:21 UTC

I need help on writing this code? any pointers on where to begin
" go through a set of .txt and use them to develop a pattern of appearances of letters. You will need to make every lowercase letter into its uppercase equivalent and count the letter appearances. Using your results, you are to go through an encrypted file and try to decrypt it using letter substitution. Then decrypt the same encrypted file using the standard table. You also have access to the original text. Output should go to a .txt file"

Re: ADA program

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Subject: Re: ADA program
From: christ-usch.grein@t-online.de (AdaMagica)
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 by: AdaMagica - Tue, 13 Dec 2022 09:49 UTC

First step:
So you need for each letter a number how often it occurs on average in (say) English texts. How do you do this. (Suppose fullstops, commas, question marks etc are ignored.)

Re: ADA program

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Subject: Re: ADA program
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 by: Jeffrey R.Carter - Tue, 13 Dec 2022 14:24 UTC

On 2022-12-12 21:21, Dirrm wrote:
> I need help on writing this code? any pointers on where to begin
> " go through a set of .txt and use them to develop a pattern of appearances of letters. You will need to make every lowercase letter into its uppercase equivalent and count the letter appearances. Using your results, you are to go through an encrypted file and try to decrypt it using letter substitution. Then decrypt the same encrypted file using the standard table. You also have access to the original text. Output should go to a .txt file"

First you need to know how to read a text file. Familiarity with the standard
library (http://www.ada-auth.org/standards/aarm12_w_tc1/html/AA-A.html) is helpful.

--
Jeff Carter
"Measure before making 'efficiency' changes."
Elements of Programming Style
202

Re: ADA program

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Subject: Re: ADA program
From: vghada88@gmail.com (viviane ghada)
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 by: viviane ghada - Tue, 13 Dec 2022 15:15 UTC

On Tuesday, December 13, 2022 at 2:24:59 PM UTC, Jeffrey R.Carter wrote:
> On 2022-12-12 21:21, Dirrm wrote:
> > I need help on writing this code? any pointers on where to begin
> > " go through a set of .txt and use them to develop a pattern of appearances of letters. You will need to make every lowercase letter into its uppercase equivalent and count the letter appearances. Using your results, you are to go through an encrypted file and try to decrypt it using letter substitution. Then decrypt the same encrypted file using the standard table. You also have access to the original text. Output should go to a .txt file"
> First you need to know how to read a text file. Familiarity with the standard
> library (http://www.ada-auth.org/standards/aarm12_w_tc1/html/AA-A.html) is helpful.
>
> --
> Jeff Carter
> "Measure before making 'efficiency' changes."
> Elements of Programming Style
> 202

devel / comp.lang.ada / Re: ADA program

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