Write a program to check presence of a file, input has to given a load time.
#include<stdio.h>
int Check_Presence_of_File(char*);
enum File_Status{IS_PRESENT,IS_NOT_PRESENT};
int main(int argc,char**argv)
{
if(argc != 2)
{
printf("Usage:./a.out filename\n");
return 0;
}
if(IS_PRESENT == Check_Presence_of_File(argv[1]))
printf("File is present in this directory\n");
else
printf("File is not present in this directory\n");
return 0;
}
int Check_Presence_of_File(char* p)
{
FILE *fp;
fp = fopen(p,"r");
if(fp == NULL)
return IS_NOT_PRESENT;
else
return IS_PRESENT;
}
Note: File name data is present in the current working directory.
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Output
./a.out Usage:./a.out filename
./a.out data File is present in this directory
./a.out nsdsd File is not present in this directory