lstat
优质
小牛编辑
136浏览
2023-12-01
描述 (Description)
此函数执行与FILEHANDLE上的stat函数或EXPR或$ _引用的文件相同的测试
如果文件是符号链接,则返回链接的信息,而不是它指向的文件。 否则,它返回文件的信息。
语法 (Syntax)
以下是此函数的简单语法 -
lstat FILEHANDLE
lstat EXPR
lstat
返回值 (Return Value)
此函数返回列表上下文中的13个元素的列表,这些字段如下 -
0 dev device number of filesystem
1 ino inode number
2 mode file mode (type and permissions)
3 nlink number of (hard) links to the file
4 uid numeric user ID of file's owner
5 gid numeric group ID of file's owner
6 rdev the device identifier (special files only)
7 size total size of file, in bytes
8 atime last access time in seconds since the epoch
9 mtime last modify time in seconds since the epoch
10 ctime inode change time in seconds since the epoch (*)
11 blksize preferred block size for file system I/O
12 blocks actual number of blocks allocated
NOTE - 该纪元是格林尼治标准时间1970年1月1日00:00。
例子 (Example)
以下是显示其基本用法的示例代码 -
#!/usr/bin/perl -w
$filename = "/tmp/test.pl";
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,
$blocks) = lstat($filename);
printf "File is %s,\n size is %s,\n perm %04o, mtime %s\n", $filename, $size,
$mode & 07777, scalar localtime $mtime;
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