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  1.  
  2. #define _GNU_SOURCE
  3.  
  4. #include <stdlib.h>
  5. #include <stdio.h>
  6. #include <string.h>
  7.  
  8. char *data = "cs\n"
  9.              "cs hello there\n"
  10.              "hello there cs\n"
  11.              "cs\n"
  12.              "hello there cscs there cs.\n"
  13.              "cs cs cs\n"
  14.              "test\n";
  15.  
  16. int main(void)
  17. {
  18.     char *remove = "cs";    // word that needs to be removed
  19.     char word[50];          // word that is being checked
  20.     char space;
  21.  
  22.     int nwords = 0;         // total no. of words in input
  23.     int nremoved = 0;       // no. of removals
  24.     int nwritten = 0;       // no. of words on this line
  25.  
  26.     // treat dada above as file
  27.  
  28.     FILE *f = fmemopen(data, strlen(data), "r");
  29.  
  30.     // dump original text
  31.  
  32.     printf("%s--\n", data);
  33.  
  34.     while (fscanf(f, "%49s", word) == 1) {
  35.         int cmp = strcmp(word, remove);
  36.  
  37.         // print or skip word;
  38.  
  39.         if (cmp == 0){
  40.             nremoved++;
  41.         } else {
  42.             printf("%s", word);
  43.             nwritten++;
  44.         }
  45.  
  46.         // treat white space / newline
  47.  
  48.         if (fscanf(f, "%c", &space) != 1) space = '\n';
  49.  
  50.         if (space == '\n') {
  51.             if (nwritten) putchar(space);
  52.             nwritten = 0;
  53.         } else {
  54.             if (cmp) putchar(space);
  55.         }
  56.  
  57.         nwords++;
  58.     }
  59.  
  60.     printf("--\n%d words read\n%d words removed\n", nwords, nremoved);
  61.  
  62.     fclose(f);
  63.  
  64.     return 0;
  65. }
  66.  
Success #stdin #stdout 0s 5544KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
cs
cs hello there
hello there cs
cs
hello there cscs there cs.
cs cs cs
test
--
hello there
hello there 
hello there cscs there cs.
test
--
17 words read
7 words removed
https://ideone.com/yw91cz
language:
C (gcc 8.3)
created:
4 years ago
visibility:
secret

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