How do I scan a txt file to find lines that have duplicates 35 characters long and delete that whole line in C++?

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How do I scan a txt file to find lines that have duplicates 35 characters long and delete that whole line?

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How do I can a txt file to find lines that have duplicates 35 characters long and delete that whole line?

Posted 3-Aug-18 11:43am

Member 13010616

Updated 3-Aug-18 15:38pm

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[no name] 3-Aug-18 18:06pm

Duplicates from beginning, in between or what else. Can you explain something more precise how you define "that have duplicates 35 characters long " ?

[no name] 3-Aug-18 19:52pm

from the beginning.

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Rick York · Answer 1 · 2018-08-03T15:38:00

The basic algorithm is :

open the input file for read access
open an output file for write access
read line of text from input file
evaluate for duplication
if not a duplicate then write that line to the output file
continue reading and writing until end of file found (the read fails)
close the files

at this point you can copy the output file to the input if you want to replace it or if you don't want to then you are done.

I would likely use fopen, fgets, and fputs for the file access but you could also use streams if that is what you are most comfortable with.

As for the code, you have to write that yourself because it's not my homework.