Serial Number |
Method and Description |
1 |
Os.access (path, mode) Verify permission Mode |
2 |
Os.chdir (PATH) Change the current working directory |
3 |
Os.chflags (path, flags) Sets the marker for the path to a numeric marker. |
4 |
Os.chmod (path, mode) Change permissions |
5 |
Os.chown (path, UID, GID) Change file Owner |
6 |
Os.chroot (PATH) Change the root directory of the current process |
7 |
Os.close (FD) Close File Descriptor FD |
8 |
Os.closerange (Fd_low, Fd_high) Closes all file descriptors, from Fd_low (inclusive) to Fd_high (not included), and errors are ignored |
9 |
Os.dup (FD) Copy file Descriptor FD |
10 |
Os.dup2 (FD, FD2) Copy one file descriptor fd to another FD2 |
11 |
Os.fchdir (FD) Changing the current working directory with file descriptors |
12 |
Os.fchmod (FD, mode) Change the access permissions for a file, specified by the parameter fd, and the parameter mode is the file access permission under UNIX. |
13 |
Os.fchown (FD, UID, GID) Modify the ownership of a file, which modifies the user ID and user group ID of a file that is specified by the file descriptor FD. |
14 |
Os.fdatasync (FD) Forces the file to be written to disk, specified by the file descriptor FD, but does not force the update of the file's state information. |
15 |
Os.fdopen (fd[, mode[, BufSize]) Create a file object with file descriptor FD and return this file object |
16 |
Os.fpathconf (FD, name) Returns the system configuration information for an open file. Name is the value of the system configuration retrieved, which may be a string that defines system values, which are specified in many criteria (posix.1, UNIX, UNIX 98, and others). |
17 |
Os.fstat (FD) Returns the state of the file descriptor FD, like stat (). |
18 |
OS.FSTATVFS (FD) Returns information about the file system that contains file descriptor FD files, such as STATVFS () |
19 |
Os.fsync (FD) Forces files with file descriptor FD to be written to the hard disk. |
20 |
Os.ftruncate (fd, length) Clip file descriptor fd corresponding file, so it cannot exceed the file size maximum. |
21st |
OS.GETCWD () Return to current working directory |
22 |
Os.getcwdu () Returns a Unicode object for the current working directory |
23 |
Os.isatty (FD) Returns true if the file descriptor FD is open while connected to the TTY (-like) device, otherwise false. |
24 |
Os.lchflags (path, flags) Set the path to a number tag, similar to Chflags (), but no soft link |
25 |
Os.lchmod (path, mode) Modify Connection File permissions |
26 |
Os.lchown (path, UID, GID) Changes the file owner, like Chown, but does not track the link. |
27 |
Os.link (SRC, DST) Create a hard link named DST, point to parameter src |
28 |
Os.listdir (PATH) Returns a list of the names of files or folders contained in the folder specified by path. |
29 |
Os.lseek (FD, POS, how) Set file descriptor fd Current position is POS, how mode modified: Seek_set or 0 sets the computed POS starting from the file; Seek_cur or 1 is calculated from the current position; Os. Seek_end or 2 starts at the end of the file. Effective in Unix,windows |
30 |
Os.lstat (PATH) Like stat (), but no soft links |
31 |
Os.major (device) Extract the device major number from the original device number (using St_dev in stat or St_rdev field). |
32 |
Os.makedev (major, minor) Make an original device number with the major and minor device numbers |
33 |
Os.makedirs (path[, mode]) Recursive folder creation functions. Like MkDir (), but all Intermediate-level folders that are created need to contain subfolders. |
34 |
Os.minor (device) Extract the device minor number from the original device number (using St_dev in stat or St_rdev field). |
35 |
Os.mkdir (path[, mode]) Create a folder named path in the digital mode mode. The default mode is 0777 (octal). |
36 |
Os.mkfifo (path[, mode]) Create a named pipe, mode is a number, default is 0666 (octal) |
37 |
Os.mknod (filename[, mode=0600, device]) Create a system node named filename file (file, device special file, or named pipe). |
38 |
Os.open (file, flags[, mode]) Open a file and set the required open options, the mode parameter is optional |
39 |
Os.openpty () Open a new pseudo-terminal pair. Returns the file descriptor for the Pty and TTY. |
40 |
os.pathconf (path, name) Returns system configuration information for the related file. |
41 |
Os.pipe () Create a pipeline. Returns a pair of file descriptors (R, W), respectively, for read and write |
42 |
Os.popen (command[, mode[, BufSize]) Open a pipe from a command |
43 |
Os.read (FD, N) Reads up to n bytes from the file descriptor fd, returns a string containing the read bytes, and the file descriptor fd corresponding file has reached the end, returning an empty string. |
44 |
Os.readlink (PATH) Returns the file that the soft link points to |
45 |
Os.remove (PATH) Deletes a file with path. If path is a folder, it will throw oserror; View the following rmdir () to remove a directory. |
46 |
Os.removedirs (PATH) recursively deletes the directory. |
47 |
Os.rename (SRC, DST) Rename a file or directory, from SRC to DST |
48 |
Os.renames (old, new) Rename the directory recursively, or rename the file accordingly. |
49 |
Os.rmdir (PATH) Deletes the empty directory specified by path and throws a OSError exception if the directory is not empty. |
50 |
Os.stat (PATH) Gets the information for the path specified by path, which is equivalent to the stat () system call in the C API. |
51 |
Os.stat_float_times ([newvalue]) Determines whether Stat_result displays timestamps as float objects |
52 |
OS.STATVFS (PATH) Gets file system statistics for the specified path |
53 |
Os.symlink (SRC, DST) Create a soft link |
54 |
OS.TCGETPGRP (FD) Returns the process group associated with Terminal FD (an open file descriptor returned by Os.open ()) |
55 |
OS.TCSETPGRP (FD, PG) Sets the process group associated with Terminal FD (an open file descriptor returned by Os.open ()) to pg. |
56 |
Os.tempnam ([dir[, prefix]]) Returns a unique path name used to create a temporary file. |
57 |
Os.tmpfile () Returns a file object with an open mode of (W+B). This file object has no folder entry, no file descriptor, and will be automatically deleted. |
58 |
Os.tmpnam () Returns a unique path for creating a temporary file |
59 |
Os.ttyname (FD) Returns a String that represents the terminal device associated with the file descriptor FD. If the FD is not associated with the end device, an exception is thrown. |
60 |
Os.unlink (PATH) Delete file path |
61 |
Os.utime (path, times) Returns the time that the specified path file was accessed and modified. |
62 |
Os.walk (top[, topdown=true[, onerror=none[, Followlinks=false]]) Output the file name in the folder by walking in the tree, up or down. |
63 |
Os.write (FD, str) Writes a string to the file descriptor FD. Returns the string length actually written |