Remove all blank lines from a file

[vino via Digitalmars-d-learn]

On Thursday, 31 August 2017 at 15:48:31 UTC, Rene Zwanenburg 
wrote:
> On Thursday, 31 August 2017 at 14:44:07 UTC, vino wrote:
>> Hi All,
>>
>>   Can some provide me a example of how to remove all blank 
>> lines from a file.
>>
>> From,
>> Vino.B
>
> This one doesn't read the entire file into memory:
>
> import std.stdio;
> import std.array;
> import std.algorithm;
> import std.uni;
>
> void main(string[] args)
> {
> 	auto inputFile = File(args[1]);
> 	auto outputFile = File(args[2], "wb");
> 	
> 	inputFile
> 		.byLine
> 		.filter!(line => !line.all!isWhite)
> 		.copy(outputFile.lockingTextWriter);
> }
>
> But if you want to replace the input file, you'd have to write 
> to a temp file, remove the original, then move the temp file.

Hi All,

   Thank you very much, was able to resolve the issue.

From,
Vino.B