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

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