Range violation error when reading from a file

[aliak]

On Sunday, 16 June 2019 at 23:44:49 UTC, Samir wrote:
> On Sunday, 16 June 2019 at 23:03:04 UTC, aliak wrote:
>
>> stripping the last line could result in an empty line if it 
>> just has strippable characters?
>
> The last line of the file is just text but without a newline 
> (\n) character or any other whitespace character at the end.  I 
> get the same error when I remove the strip function from the 
> readln line.

http://www.cplusplus.com/reference/ios/ios/eof/

The fail bit is only set after reading fails. So after you read 
the last line, your eof will still return true, and hence your 
range violation.