Using file as input to stdin when compiling

Seb seb at wilzba.ch
Tue Feb 6 11:51:52 UTC 2018


On Tuesday, 6 February 2018 at 06:10:30 UTC, Jamie wrote:
> Hi, I'm following through TDPL and am trying to import a txt 
> file during compiling for the stdin.byLine() function to read. 
> Currently I have
>
> #!/usr/bin/rdmd <file.txt
> .
> .
> .
> foreach (line; stdin.byLine()) {
>
> }
>
> and would like it to analyse the supplied text file. Is this 
> possible in the way that I'm thinking, or is there another way?
>
> Thanks

> #!/usr/bin/rdmd <file.txt

That's limitation of the shebang line. Most implementation's only 
accept one argument.

https://en.wikipedia.org/wiki/Shebang_(Unix)


However, you can simply do:

./foo.d < foo.text

or:

void main() {
    auto f = File(args[1]);
}


or rdmd --loop for tiny scripts:

>  echo "abc" | rdmd --loop='line.splitter("").writeln


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