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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<string.h>
  4. char c,s1[200],s2[200],s3[200];
  5. void string_sub(char s1[],char s2[],char s3[])
  6. {
  7.         char r[200];
  8.         printf("\n%s %s %s\n",s1,s2,s3);
  9.         int i,j,k,x,y;
  10.         char res[100];
  11.         int len1=strlen(s1);
  12.         int len2=strlen(s2);
  13.         int len3=strlen(s3);
  14.         j=0;
  15.         i=0;
  16.         while(i<len1)//searching for string 2 in string 1
  17.         {
  18.                 if(s2[j]==s1[i])
  19.                 {
  20.                         j++;
  21.                         i++;
  22.                         if(j==len2)
  23.                         {
  24.                           y=i;
  25.                           x=i-len2;
  26.                           break;        
  27.                         }
  28.                 }
  29.                 else
  30.                 {
  31.                         if(s2[0]!=s1[i])
  32.                         i++;
  33.                         j=0;
  34.                 }
  35.         }
  36.         k=0;
  37.         for(i=0;i<x;i++)
  38.         {
  39.         	r[k]=s1[i];
  40.         	k++;
  41.         }
  42.         for(i=0;i<len3;i++)
  43.         {
  44.             r[k]=s3[i];
  45.                 k++;
  46.         }
  47.         i=y;
  48.         while(i<len1)
  49.         {
  50.                 r[k]=s1[i];
  51.                 k++;
  52.                 i++;
  53.         }
  54.         r[k]='\0';//resultant string into r
  55.         k=0;
  56.        for(i=0;i<strlen(r);i++)//copying resultant string to s1
  57.        {
  58.        	s1[k]=r[i];
  59.        	k++;
  60.        }
  61.        s1[k]='\0';
  62. }
  63. int main(int argc,char *argv[])
  64. {
  65.         FILE *fp;
  66.         if(argc!=2)
  67.         {
  68.                 printf("Invalid number of arguments:");
  69.                 exit(0);
  70.         }
  71.         fp=fopen(argv[1],"r");
  72.         if(fp==NULL)
  73.         {
  74.                 printf("Unable to open:");
  75.                 exit(0);
  76.         }
  77.         c=fgetc(fp);
  78.         int k,f=1;
  79.         while(c!=EOF)
  80.         {
  81.                 k=0;
  82.                 while(c!=';' && f==1)//checking for ';'
  83.                 {
  84.                         s1[k]=c;
  85.                         k++;
  86.                         c=fgetc(fp);
  87.                 }
  88.                 if(f==1)
  89.                 {
  90.                     f=0;        
  91.                     s1[k]=='\0';//storing the first string into s1
  92.                 }
  93.                 k=0;
  94.                 c=fgetc(fp);
  95.                 while(c!=',')
  96.                 {
  97.                         s2[k]=c;
  98.                         k++;
  99.                         c=fgetc(fp);
  100.                 }
  101.                 s2[k]='\0';//2nd string
  102.                 k=0;
  103.                 c=fgetc(fp);
  104.                 while(c!=',')
  105.                 {
  106.                         s3[k]=c;
  107.                         k++;
  108.                         c=fgetc(fp);
  109.                         if(c=='\n' || c==EOF)
  110.                         break;
  111.                 }
  112.                 s3[k]='\0';//3rd string
  113.                 string_sub(s1,s2,s3);
  114.                 printf("%s",s1);
  115.                 if(c=='\n')
  116.                 f=1;
  117.         }
  118.     return 0;
  119. }
Success #stdin #stdout 0s 1832KB
comments (?)
stdin 
Standard input is empty
stdout 
Invalid number of arguments:
https://ideone.com/upsKpO
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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