lab8.c

来自「ALL LINUX LAB PROGRAM MIT MANIPAL 2008-0」· C语言 代码 · 共 51 行

#include<stdio.h>
#include<fcntl.h>
main()
{
	int fd1,fd2;
	int count=0;
	char c;
	char file1[20],file2[20];
	printf("Enter name of file 1 :");
	scanf("%s",file1);
	printf("Enter name of file2 :");
	scanf("%s",file2);
	fd1=open(file1,0);
	if(fd1<0)
		printf(" %s file not exits ",file1);
	else
	{
		fd2=creat(file2,0764);
		if(fd2<0)
			printf(" %s File not Created",file2);
		else
		{
			fd2=open(file2,1);
			if(fd2<0)
				printf(" %s File cannnot open",file2);
			else
			{
				while((read(fd1,&c,1))!=0)
				{
					write(fd2,&c,1);
				}
				close(fd1);
				close(fd2);
				fd2=open(file2,0);
				if(fd2<0)
					printf(" %s File Cannot open",file2);
				else
				{	while((read(fd2,&c,1))!=0)
					{
						printf("%c",c);
				 		count++;
					}
					printf(" No. of cahracters %d",count);				
				}				

			}
		}
	}
}