Perl stat 函式



描述

此函式返回一個包含 13 個元素的陣列,給出由 FILEHANDLE、EXPR 或 $_ 指定的檔案狀態資訊。下面表中顯示了返回的值列表。如果在標量上下文中使用,則失敗時返回 0,成功時返回 1。

請注意,其中一些元素的支援與系統相關。請檢視文件以瞭解完整列表。

Element Description
0 	Device number of file system
1 	Inode number
2 	File mode (type and permissions)
3 	Number of (hard) links to the file
4 	Numeric user ID of file.s owner
5 	Numeric group ID of file.s owner
6 	The device identifier (special files only)
7 	File size, in bytes
8 	Last access time since the epoch
9 	Last modify time since the epoch
10 	Inode change time (not creation time!) since the epoch
11 	Preferred block size for file system I/O
12	Actual number of blocks allocated

語法

下面是此函式的簡單語法 -

stat FILEHANDLE

stat EXPR

stat

返回值

此函式返回 ARRAY,($device, $inode, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks)

示例

下面是展示其基本用法的示例程式碼 -

#!/usr/bin/perl -w

($device, $inode, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime,
   $ctime, $blksize, $blocks) = stat("/etc/passwd");

print("stat() $device, $inode, $ctime\n");

當執行以上程式碼時,它將產生以下結果 -

stat() 2065, 5374250, 1508051555
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