C program to count number of words in a file

Asked by admin @ 28/10/2021 in Computers and Technology viewed by 347 People

Write a c program to count the total number of commented characters and words in a c file taking both types of c file comments (single line and block) into account.

Answered by admin @ 28/10/2021

#include<stdio.h>

#include<stdlib.h>

int comment1(FILE *fp)

{

char ch;

int count=0;

while(fscanf(fp,"%c",&ch)!=EOF)

{

if(ch=='\n')

{

return count;

}

count++;

}

return count;

}

int comment2(FILE *fp)

{

char ch;

int count=0;

while(fscanf(fp,"%c",&ch)!=EOF)

{

if(ch=='*')

{

fscanf(fp,"%c",&ch);

if(ch=='/')

{

return count;

}

count++;

}

count++;

}

return 0;

}

int main()

{

printf("Enter the file name:");

char s[1000],ch,ch1;

scanf("%s",s);

FILE*fp;

fp = fopen(s,"r");

int count=0;

while(fscanf(fp,"%c",&ch)!=EOF)

{

if(ch=='\"')

{

while(fscanf(fp,"%c",&ch)!=EOF)

{

if(ch=='\"')

{

break;

}

if(ch=='\\')

{

fscanf(fp,"%c",&ch);

}

}

}

else if(ch=='/')

{

fscanf(fp,"%c",&ch);

if(ch=='/')

{

count += comment1(fp);

}

else if(ch=='*')

{

count += comment2(fp);

}

}

}

printf("%d\n",count);

return 0;

}

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