Python os.chflags () method definition and Usage introduction (instance parsing)

Let's look at this article today. python osThe. Chflags () method, in the following article we will introduce Python OS moduleThe Chflags () method describes its definition and its role and purpose.

Overview

The Os.chflags () method is used to set the tag of the path to a number tag. Multiple tags can be combined using OR.

Only supported for use under Unix.

Grammar

The syntax format for the Chflags () method is as follows:

Os.chflags (path, flags)

Parameters

Path--The file name path or directory path.

Flags--can be the following values:

Stat. Uf_nodump: Non-dump file

Stat. Uf_immutable: File is read-only

Stat. Uf_append: File can only append content

Stat. Uf_nounlink: File is not deleted

Stat. Uf_opaque: The directory is opaque and needs to be viewed through the federated stack

Stat. Sf_archived: Archived files (Super User-selectable)

Stat. Sf_immutable: File is read-only (super user selectable)

Stat. Sf_append: File can only append content (super User can set)

Stat. Sf_nounlink: File cannot be deleted (super User can set)

Stat. Sf_snapshot: Snapshot file (Super user selectable)

(The method has no return value.) ）

Instance

The following example demonstrates the use of the Chflags () method:

#!/usr/bin/python#-*-coding:utf-8-*-import os,statpath = "/tmp/foo.txt" # Sets the tag for the file so that it cannot be renamed and deleted by flags = Stat. Sf_nounlinkretval = os.chflags (path, flags) print "Return value:%s"% retval

Execute the above program output as:

return value: None