linux 文件操作系统 设计
linux操作系统 文件管理系统设计
版本1.0
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<unistd.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<dirent.h>
#define LENGTH 2000
char str[100];
char buf[100];
void z_read(char* s);
void z_write(char* s);
void z_welcome();
void z_delete_file(char* s);
void z_delete_dir(char* s);
void z_create_file(char* s);
void z_create_dir(char *s);
void scan_dir(char* dir,int depth);
int main(){
int in;
do{
z_welcome();
scanf("%d",&in);
switch(in){
case 0:
exit(0);
break;
case 1:
printf("输入要创建的文件夹：");
scanf("%s",&str);
z_create_dir(str);
break;
case 2:
printf("输入要创建的文件：");
scanf("%s",&str);
z_create_file(str);
break;
case 3:
printf("输入要删除的文件夹：");
scanf("%s",&str);
z_delete_dir(str);
break;
case 4:
printf("输入要删除的文件：");
scanf("%s",&str);
z_delete_file(str);
break;
case 5:
printf("输入要写入文件的路径：");
scanf("%s",&str);
z_write(str);
break;
case 6:
printf("输入要读取文件的路径：");
scanf("%s",&str);
z_read(str);
break;
case 7:
printf("输入要查找显示的路径：");
scanf("%s",&str);
scan_dir(str,0);
break;
case 8:
printf("输入要打开的路径：");
scanf("%s",&str);
chdir(str);
break;
case 9:
printf("%s\n",getcwd(buf,sizeof(buf)));
}
}while(1);
return 0;
}
void z_welcome(){
printf("|--> welcome to zxl <--|\n");
printf("|-------------------------------------|\n");
printf("|-->input 0 exit --|\n");
printf("|-->input 1 to create work path --|\n");
printf("|-->input 2 to create a new folder --|\n");
printf("|-->input 3 to delete work path --|\n");
printf("|-->input 4 to delete a new folder --|\n");
printf("|-->input 5 to write folder --|\n");
printf("|-->input 6 to read folder --|\n");
printf("|-->input 7 to search path --|\n");
printf("|-->input 8 to open path --|\n");
printf("|-->input 9 to display into path --|\n");
printf("|-------------------------------------|\n");
}
void z_create_dir(char* s){
if(mkdir(s,0755)!=-1){
puts("目录创建成功");
}else
return 1;
}
void z_create_file(char* s){
if(creat(s,0664)!=-1){
puts("文件创建成功");
//sleep(2);
}
else
return 1;
}
void z_delete_dir(char* s){
if(rmdir(s) !=-1){
puts("删除目录成功");
}
else
return 1;
}
void z_delete_file(char* s){
if(unlink(s)!=-1){
puts("删除文件成功");
//sleep(2);
}
else
return 1;
}
void z_read(char* s){
char c[LENGTH];
int f,i,j=0;
f=open(s,O_RDONLY,LENGTH);
if(f!=-1){
i=read(f,c,LENGTH);
if(i>0){
for(;i>0;i--)
putchar(c[j++]);
}else
perror("读取");
}else
perror("打开文件");
}
void z_write(char* s){
char c[LENGTH];
int f,i;
puts("输入要保存的文件信息：");
if((i=read(0,c,LENGTH))<1){
perror("读取失败");
return 1 ;
}
f=open(s,O_RDWR | O_CREAT |O_APPEND ,0664);
if(f!=-1){
if(write(f,c,i)!=i)
perror("写入失败");
puts("保存成功");
close(f);
}else
perror("打开文件");
}
void scan_dir(char* dir,int depth) {
DIR *dp;
struct dirent *entry;
struct stat statbuf;
if((dp=opendir(dir))==NULL){
puts("无法打开该目录");
return;
}
chdir(dir);
while((entry = readdir(dp))!=NULL){
lstat(entry->d_name,&statbuf);
if(S_IFDIR & statbuf.st_mode){
if(strcmp(".",entry->d_name)==0 || strcmp("..",entry->d_name)==0)
continue;
printf("%*s%s/\n",depth,"",entry->d_name);
scan_dir(entry->d_name,depth+4);
}else
printf("%*s%s\n",depth,"",entry->d_name);
}
chdir("..");
closedir(dp);
}
版本2.0
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<unistd.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<dirent.h>
#define LENGTH 2000
char str[100];
char buf[100];
char zz[]="find -name ";
char z_file[50];
void z_read(char* s);
void z_write(char* s);
void z_welcome();
void z_delete_file(char* s);
void z_delete_dir(char* s);
void z_create_file(char* s);
void z_create_dir(char *s);
void scan_dir(char* dir,int depth);
void str_ins(char source[],int index,char dest[]);
int main(){
int in;
do{
z_welcome();
scanf("%d",&in);
switch(in){
case 0:
exit(0);
break;
case 1:
printf("输入要创建的文件夹：");
scanf("%s",&str);
z_create_dir(str);
break;
case 2:
printf("输入要创建的文件：");
scanf("%s",&str);
z_create_file(str);
break;
case 3:
printf("输入要删除的文件夹：");
scanf("%s",&str);
z_delete_dir(str);
break;
case 4:
printf("输入要删除的文件：");
scanf("%s",&str);
z_delete_file(str);
break;
case 5:
printf("输入要写入文件的路径：");
scanf("%s",&str);
z_write(str);
break;
case 6:
printf("输入要读取文件的路径：");
scanf("%s",&str);
z_read(str);
break;
case 7:
printf("输入要查找显示的路径：");
scanf("%s",&str);
scan_dir(str,0);
break;
case 8:
printf("输入一个大致路径：");
scanf("%s",&str);
printf("输入查找的文件名：");
scanf("%s",&z_file);
str_ins(zz,5,str);
str_ins(zz,strlen(zz),z_file);
system(zz);
printf("\n");
break;
case 9:
printf("输入要打开的路径：");
scanf("%s",&str);
chdir(str);
break;
break;
case 10:
printf("当前路径：%s\n",getcwd(buf,sizeof(buf)));
break;
}
}while(1);
return 0;
}
void str_ins(char source[],int index,char dest[]){
int i,j,k;
j=0;while(dest[j])j++;j--;
k=0;while(source[k])k++;k--;
for(i=k-index+1;i>=0;i--) source[index+j+i]=source[index+i];
for(i=0;i<=j;i++) source[i+index]=dest[i];
}
void z_welcome(){
printf("|--> welcome to zxl <--|\n");
printf("|-------------------------------------|\n");
printf("|-->input 0 exit --|\n");
printf("|-->input 1 to create work path --|\n");
printf("|-->input 2 to create a new folder --|\n");
printf("|-->input 3 to delete work path --|\n");
printf("|-->input 4 to delete a new folder --|\n");
printf("|-->input 5 to write folder --|\n");
printf("|-->input 6 to read folder --|\n");
printf("|-->input 7 to search path --|\n");
printf("|-->input 8 to search folder --|\n");
printf("|-->input 9 to open path --|\n");
printf("|-->input 10 to display into path --|\n");
printf("|-------------------------------------|\n");
}
void z_create_dir(char* s){
if(mkdir(s,0755)!=-1){
puts("目录创建成功");
}else
return 1;
}
void z_create_file(char* s){
if(creat(s,0664)!=-1){
puts("文件创建成功");
//sleep(2);
}
else
return 1;
}
void z_delete_dir(char* s){
if(rmdir(s) !=-1){
puts("删除目录成功");
}
else
return 1;
}
void z_delete_file(char* s){
if(unlink(s)!=-1){
puts("删除文件成功");
//sleep(2);
}
else
return 1;
}
void z_read(char* s){
char c[LENGTH];
int f,i,j=0;
f=open(s,O_RDONLY,LENGTH);
if(f!=-1){
i=read(f,c,LENGTH);
if(i>0){
for(;i>0;i--)
putchar(c[j++]);
}else
perror("读取");
}else
perror("打开文件");
}
void z_write(char* s){
char c[LENGTH];
int f,i;
puts("输入要保存的文件信息：");
if((i=read(0,c,LENGTH))<1){
perror("读取失败");
return 1 ;
}
f=open(s,O_RDWR | O_CREAT |O_APPEND ,0664);
if(f!=-1){
if(write(f,c,i)!=i)
perror("写入失败");
puts("保存成功");
close(f);
}else
perror("打开文件");
}
void scan_dir(char* dir,int depth) {
DIR *dp;
struct dirent *entry;
struct stat statbuf;
if((dp=opendir(dir))==NULL){
puts("无法打开该目录");
return;
}
chdir(dir);
while((entry = readdir(dp))!=NULL){
lstat(entry->d_name,&statbuf);
if(S_IFDIR & statbuf.st_mode){
if(strcmp(".",entry->d_name)==0 || strcmp("..",entry->d_name)==0)
continue;
printf("%*s%s/\n",depth,"",entry->d_name);
scan_dir(entry->d_name,depth+4);
}else
printf("%*s%s\n",depth,"",entry->d_name);
}
chdir("..");
closedir(dp);
}
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