Re: How to Remove duplicates line in the txt files

Stephen J. Rush (sjrush@[EMAIL PROTECTED]
) wrote:
(Re: Usage of "GOTO")
> What Dijkstra was objecting to was the unrestricted GOTO that lets you 
> jump to any point in the program from anywhere in the program.  That 
> makes it possible to write the worst kind of spaghetti code.  In early 
> BASIC, that didn't even have ELSE, GOTO was unaviodable.  Still, just 
> about every language, including most machine languages, has a procedure 
> call that saves the calling location.  Even Dartmouth BASIC had GOSUB
and 
> RETURN.  

***   DR-DOS started using the latter in its BATCH language, i believe
around 1992. 4DOS also has it, but I don't know in what version it was 
incor****ated.


> Most high-level languages have things like DO WHILE, DO UNTIL 
> and CASE, that render GOTO largely unnecessary.  Of course, those get 
> compiled into machine-language conditional jumps, so structured 
> programming purists never look under the hood.  They also have to avoid 
> talking to embedded-system developers who may still have to resort to 
> spaghetti to cram their applications into a microcontroller with 512 
> bytes of RAM.  As dangerous as GOTO is, it uses no stack space and 
> executes faster than any other branching construct.  Ususlly, that 
> doesn't matter.  It's been at least ten years since I used GOTO for 
> anything but debugging.

***   How is GOTO dangerous?

         Richard Bonner
http://www.chebucto.ca/~ak621/DOS/