Sync

Task/Text-processing-2/D/text-processing-2.d

@@ -1,27 +1,27 @@
-import std.stdio, std.array, std.string, std.regex, std.conv,
-       std.algorithm;
-
 void main() {
-    // works but eats lot of RAM in DMD 2.059
-    //const rxDate = ctRegex!(`^\d\d\d\d-\d\d-\d\d$`);
-    auto rxDate = regex(`^\d\d\d\d-\d\d-\d\d$`);
+    import std.stdio, std.array, std.string, std.regex, std.conv,
+           std.algorithm;
+
+    auto rxDate = `^\d\d\d\d-\d\d-\d\d$`.regex;
+    // Works but eats lot of RAM in DMD 2.064.
+    // auto rxDate = ctRegex!(`^\d\d\d\d-\d\d-\d\d$`);
 
     int[string] repeatedDates;
     int goodReadings;
-    foreach (string line; lines(File("readings.txt"))) {
+    foreach (string line; "readings.txt".File.lines) {
         try {
-            auto parts = line.split();
+            auto parts = line.split;
             if (parts.length != 49)
                 throw new Exception("Wrong column count");
-            if (match(parts[0], rxDate).empty)
+            if (parts[0].match(rxDate).empty)
                 throw new Exception("Date is wrong");
             repeatedDates[parts[0]]++;
             bool noProblem = true;
             for (int i = 1; i < 48; i += 2) {
-                if (to!int(parts[i + 1]) < 1)
+                if (parts[i + 1].to!int < 1)
                     // don't break loop because it's validation too.
                     noProblem = false;
-                if (!isNumeric(parts[i]))
+                if (!parts[i].isNumeric)
                     throw new Exception("Reading is wrong: "~parts[i]);
             }
             if (noProblem)
@@ -31,8 +31,7 @@ void main() {
         }
     }
 
-    writeln("Duplicated timestamps: ",
-            repeatedDates.keys.filter!(k => repeatedDates[k] > 1)().
-            join(", "));
+    writefln("Duplicated timestamps: %-(%s, %)",
+            repeatedDates.byKey.filter!(k => repeatedDates[k] > 1));
     writeln("Good reading records: ", goodReadings);
 }