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:
string[] listdir(string pathname)
{
import std.algorithm;
import std.array;
import std.file;
import std.path;
return std.file.dirEntries(pathname, SpanMode.shallow).filter!(a => a.isFile)
.map!(a => std.path.baseName(a.name))
.array;
}
void main(string[] args)
{
import std.stdio;
string[] files = listdir(args[1]);
writefln("%s", files);
}