Write a program to reverse each word of a file.
#include<stdio.h>
#include<string.h>
void Replce_word_with_Reverse(FILE*);
int main()
{
char file[32];
FILE *fp;
printf("Enter file name = ");
scanf("%[^\n]",file);
fp = fopen(file,"r+");
if(fp == NULL)
{
printf("File is not present in this directory\n");
return 0;
}
Replce_word_with_Reverse(fp);
return 0;
}
void Replce_word_with_Reverse(FILE* fp)
{
int i,j;
char word[50],ch;
while((fscanf(fp,"%s",word)) != EOF)
{
for(i = 0,j = ((strlen(word))-1);i<j;i++,j--)
{
ch = word[i];
word[i] = word[j];
word[j] = ch;
}
fseek(fp,-(strlen(word)),SEEK_CUR);
fprintf(fp,"%s",word);
}
fclose(fp);
printf("Reversing of word is done\n");
}
Note: File name d1 is present in the current working directory.
cat d1 Lot To Learn BlackBerry Z10 Iphone Incredible India
Output
Enter File Name = d1 Reversing Done....
cat d1 aidnI elbidercnI enohpI 01Z yrreBkcalB nraeL oT toL
Enter File Name = d1 Reversing Done....
cat d1 Lot To Learn BlackBerry Z10 Iphone Incredible India