On Tue, 2017-03-14 at 16:35 +0000, Russel Winder wrote: > So by analogy with the Python code I get the following D code, but it seems ugly compared to the niceness of the Groovy code (and equivalent Kotlin and Ceylon codes):
import std.array: array, split;
import std.algorithm: filter, map;
import std.file: dirEntries, SpanMode;
import std.path: baseName, dirName;
import std.stdio: writeln;
import std.typecons: Tuple, tuple;
auto files = dirEntries(path, SpanMode.shallow)
.filter!(a => a.isFile)
.map!(a => a.baseName)
.map!(a => tuple(a.split('_')[0], a))
.array;
writeln(files);
string[][string] groups;
foreach (Tuple!(string, string) f; files) {
groups[f[0]] ~= [f[1]];
}
--
Russel.
=============================================================================
Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.win...@ekiga.net
41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk
London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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