/* ************************************************************************
* Filename: FileManager.c
* Description:
* Version: 1.0
* Created: 2010年08月21日 13时10分34秒
* Revision: none
* Compiler: gcc
* Author: chengbin_liu
* Company:
* ************************************************************************/
#include
#include
#include
#include
#include
#include
#include
#include
#define SIZE 100
//================================================================================
void welcome()
{
printf("**********************************************************\n");
printf("\tmainmenu\n");
printf("\t1,tree-display\n");
printf("\t2,tree-creat\n");
printf("\t3,file-create/open\n");
printf("\t4,tree-open\n");
printf("\t5,tree-back\n");
printf("\t6,tree/file-copy\n");
printf("\t7,tree/file-paste\n");
printf("\t8,tree-delete\n");
printf("\t9,file-delete\n");
printf("\t10,tree/file-property\n");
printf("\t11,tree/file-rename\n");
printf("\t12,tree/file-changesize\n");
printf("\t13,end\n");
printf("************************************************************\n");
}
//=============================================================================
//show directory
void treedisplay()
{
DIR *dir;
char buf[SIZE];
struct dirent *ent;
getcwd(buf,SIZE);
dir=opendir(buf);
while((ent=readdir(dir))!=NULL)
puts(ent->d_name);
closedir(dir);
}
//============================================================================
//create the directory
void treecreate()
{
int fd;
char pathname[SIZE];
do
{
printf("new tree==");
scanf("%s",pathname);
fd=mkdir(pathname,O_CREAT);
if(fd==-1)
{
perror("create failed,try again!\n");
}
else
{
chmod(pathname,0761);
printf("create successizes!\n");
}
}while(fd==-1);
}
//=============================================================================
void fileread(char pathname[])
{
char ch;
FILE *fp;
fp=fopen(pathname,"r");
ch=fgetc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=fgetc(fp);
}
fclose(fp);
}
//============================================================================
void filewrite(char pathname[])
{
char ch;
FILE *fp;
long where;
fp=fopen(pathname,"rb+");
printf("input the where of write==");
scanf("%ld",&where);
fseek(fp,where,SEEK_SET);
printf("# for the EOF,begin :\n");
ch=getchar();
while(ch!='#')
{
fwrite(&ch,1,1,fp);
ch=getchar();
}
fclose(fp);
}
//============================================================================
//open the file and readwrite
void filecreateopen()
{
int fd;
char choose, pathname[SIZE];
printf("new/open==");
scanf("%s",pathname);
fd=open(pathname,O_CREAT | O_APPEND | O_RDWR);
if(fd==-1)
{
perror("file create/open failed,try again.....\n");
close(fd);
exit(1);
}
else
{
chmod(pathname,0761);
printf("file create/open success!\n");
fileread(pathname);
}
printf("\ninput the text? (y/n)");
scanf("%c",&choose);
scanf("%c",&choose);
if(choose=='y') filewrite(pathname);
fileread(pathname);
printf("\n");
close(fd);
}
//============================================================================
//=============================================================================
//change the current directory
void treeopen()
{
int fd;
char pathname[SIZE],buf[SIZE];
system("ls -l");
printf("open tree==");
scanf("%s",pathname);
fd=chdir(pathname);
if(fd==-1)
{
perror("tree open failed ,try again...");
close(fd);
return;
}
else
{
system("ls -l");
getcwd(buf,SIZE);
printf("%s\n",buf);
printf("tree open ok..\n");
}
}
//=============================================================================
//turn back previous directory
void treeback()
{
char buf[SIZE];
chdir("..");
system("ls -l");
getcwd(buf,SIZE);
printf("%s\n",buf);
}
//=============================================================================
//copy operation
long treefilecopy(char copybuf[],char copyname[])
{
int fd;
struct stat buf;
long size;
system("ls -l");
printf("copy file /tree==");scanf("%s",copyname);
fd=open(copyname,O_RDONLY);
if(fd==-1)
{
perror("failed ,try again!..");
return 0;
}
else
stat(copyname,&buf);
size=buf.st_size;
read(fd,copybuf,size);
return size;
}
//============================================================================
//paste operation
void treefilepaste(int len,char pastebuf[],char copyname[])
{
int fd;
char pastename[]={"re-"};
strcat(pastename,copyname);
fd=open(pastename,O_CREAT| O_APPEND|O_RDWR);
if(fd==-1)
{
perror("failed ,try again..");
return;
}
write(fd,pastebuf,len);
system("ls -l");
}
//=============================================================================
//delete the directory
void treedelete()
{
int fd;
char pathname[SIZE];
system("ls -l");
printf("delete tree==");
scanf("%s",pathname);
fd=rmdir(pathname);
if(fd==-1)
{
perror("delete tree failed,try again..");
close(fd);
return;
}
else
{
system("ls -l");
printf("delete success\n!");
}
}
//============================================================================
//delete the file
void filedelete()
{
int fd;
char pathname[SIZE];
system("ls -l");
printf("delete file==");
scanf("%s",pathname);
fd=unlink(pathname);
if(fd==-1)
{
perror("delete file failed,try again...\n");
return;
}
else
{
system("ls -l");
printf("delete file success!\n");
}
}
//============================================================================
//file property
void treefileproperty()
{
int fd;
struct stat buf;
mode_t mode;
char pathname[SIZE];
system("ls -l");
printf("file/tree==");scanf("%s",pathname);
fd=open(pathname,O_RDWR);
if(fd==-1)
{
perror("failed try again..");
return;
}
stat(pathname,&buf);
mode=buf.st_mode;
printf("%-10s","mode:");
printf("%10s","read");
printf("%10s","write");
printf("%10s","execute\n");
printf("%10s","all user");
if((mode & 0400)==S_IRUSR)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 0200)==S_IWUSR)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 0100)==S_IXUSR)
printf("%10s","true\n");
else
printf("%10s","false\n");
printf("%10s","group");
if((mode & 040)==S_IRGRP)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 020)==S_IWGRP)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 010)==S_IXGRP)
printf("%10s","true\n");
else
printf("%10s","false\n");
printf("%10s","other user");
if((mode & 04)==S_IROTH)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 02)==S_IWOTH)
printf("%10s","true");
else
printf("%10s","false");
if((mode & 01)==S_IXOTH)
printf("%10s","true\n");
else
printf("%10s","false\n");
printf("size:%ld\n",buf.st_size);
printf("BLK size :%ld\n",buf.st_blksize);
}
//================================================================================
//rename tree or file
void treefilerename()
{
int fd;
char oldname[SIZE],newname[SIZE];
system("ls -l");
printf("old name==");scanf("%s",oldname);
printf("new name==");scanf("%s",newname);
fd=rename(oldname,newname);
if(fd==-1)
{
perror("rename failed ,try again..");
return;
}
else
{
system("ls -l");
printf("rename success!\n");
}
}
//================================================================================
//change tree or file size
void changesize()
{
int fd;
int size;
char pathname[SIZE];
printf("change file ==");scanf("%s",pathname);
printf("change size==");scanf("%d",&size);
fd=truncate(pathname,size);
if(fd==-1)
{
perror("truncate failed ,try again...");
return;
}
else
{
system("ls -l");
printf("truncate success!\n");
}
}
//============================================================================
int main()
{
int cord;
int len=0,tag=0,i;
char copybuf[SIZE],pastebuf[SIZE],copyname[SIZE];
welcome();
while(1)
{
printf("please input the cord:");
scanf("%d",&cord);
switch(cord)
{
case 1:
treedisplay();
break;
case 2:
treecreate();
break;
case 3:
filecreateopen();
break;
case 4:
treeopen();
break;
case 5:
treeback();
break;
case 6:
{
len=treefilecopy(copybuf,copyname);
tag=1;
for(i=0;i {
pastebuf[i]=copybuf[i];
}
}
break;
case 7:
{
if(tag&&len)
treefilepaste(len,pastebuf,copyname);
else
printf("paste failed\n");
}
break;
case 8:
treedelete();
break;
case 9:
filedelete();
break;
case 10:
treefileproperty();
break;
case 11:
treefilerename();
break;
case 12:
changesize();
break;
case 13:
{
system("clear");
exit(0);
}
break;
default:break;
}
}
return 0;
}
