gcc/testsuite/gdc.test/runnable/wc2.d

   1 // RUNNABLE_PHOBOS_TEST
   2 // PERMUTE_ARGS:
   3 // EXECUTE_ARGS: runnable/wc2.d
   4
   5 import std.file;
   6
   7 extern(C) int printf(const char*, ...);
   8
   9 int main (string[] args)
  10 {
  11     int w_total;
  12     int l_total;
  13     int c_total;
  14     int[string] dictionary;
  15
  16     printf("   lines   words   bytes file\n");
  17     foreach (string arg; args[1 .. args.length])
  18     {
  19         string input;
  20         int w_cnt, l_cnt, c_cnt;
  21         int inword;
  22         int wstart;
  23
  24         input = cast(string)std.file.read(arg);
  25
  26         for (int j = 0; j < input.length; j++)
  27         {   char c;
  28
  29             c = input[j];
  30             if (c == '\n')
  31                 ++l_cnt;
  32             if (c >= '0' && c <= '9')
  33             {
  34             }
  35             else if (c >= 'a' && c <= 'z' ||
  36                 c >= 'A' && c <= 'Z')
  37             {
  38                 if (!inword)
  39                 {
  40                     wstart = j;
  41                     inword = 1;
  42                     ++w_cnt;
  43                 }
  44             }
  45             else if (inword)
  46             {   string word = input[wstart .. j];
  47
  48                 dictionary[word]++;
  49                 inword = 0;
  50             }
  51             ++c_cnt;
  52         }
  53         if (inword)
  54         {   string w = input[wstart .. input.length];
  55             dictionary[w]++;
  56         }
  57         printf("%8u%8u%8u %.*s\n", l_cnt, w_cnt, c_cnt, cast(int)arg.length, arg.ptr);
  58         l_total += l_cnt;
  59         w_total += w_cnt;
  60         c_total += c_cnt;
  61     }
  62
  63     if (args.length > 2)
  64     {
  65         printf("--------------------------------------\n%8u%8u%8u total",
  66             l_total, w_total, c_total);
  67     }
  68
  69     printf("--------------------------------------\n");
  70     foreach (string word1; dictionary.keys)
  71     {
  72         printf("%3d %.*s\n", dictionary[word1], cast(int)word1.length, word1.ptr);
  73     }
  74     return 0;
  75 }