Convert HEIC to JPG

heic2jpg.d

#!/usr/bin/env rdmd
int convert(string path) {
  import std.file, std.algorithm, std.path, import std.parallelism;
  import std.process : execute
  import std.uni: toLower;
  auto dFiles = dirEntries(path, SpanMode.breadth).filter!(f=>f.name.toLower.endsWith(".heic"));
  foreach (d; parallel(dFiles)) {
    auto f = d.name;
    auto status = execute(["convert", f.baseName, f.baseName ~ ".jpg"]);
    if (status.status != 0) return status.status;
  }
  return 0;
}

int main(string[] args) {
  import std.stdio;
  if( args.length < 2) {
    stderr.writeln("Usage: %s <path>", args[0]);
    return 1;
  }
  return convert(args[1]);
}