bash IBM AIX：core-shell：显示文件修改日期
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IBM AIX: core-shell: show date of modification of file
提问by Xorty
I'd like to do something like this with bash (see time when file was last modified):
我想用 bash 做这样的事情（查看上次修改文件的时间）：
ls -lha
ls --full-time
but I must use core-shell on AIX. How can be so achieved?
但我必须在 AIX 上使用 core-shell。怎么可以这样实现？
回答by Jason Liang
You can use istat:
您可以使用 istat：
$ istat test.ksh Inode 86741 on device 10/8 File Protection: rw-r----- Owner: 6361(user2) Group: 621(norgroup) Link count: 1 Length 116 bytes Last updated: Thu Jun 9 14:25:11 EDT 2011 Last modified: Thu Jun 9 14:25:11 EDT 2011 Last accessed: Fri Jan 20 16:08:46 EST 2012
See my blog - AIX version of stat command – Command to get File Timestamp
回答by glenn Hymanman
Does AIX have stat? Maybe you can do:
AIX 有stat吗？也许你可以这样做：
stat -c "%y %n" *
回答by Jonathan Leffler
You'd probably do best to install the relevant GNU packages. There isn't a simple alternative unless you like writing your own programs. The core AIX facilities do not make that sort of thing easy - unless you drop into Perl. (I'm pretty sure that Perl is installed and the code can be written so it will work even with the rather antiquated version of Perl you're likely to find on AIX.)
您可能最好安装相关的 GNU 软件包。除非您喜欢编写自己的程序，否则没有简单的替代方案。核心 AIX 工具不会使这种事情变得容易——除非您使用 Perl。（我很确定 Perl 已安装并且可以编写代码，因此即使使用您可能在 AIX 上找到的相当过时的 Perl 版本，它也能正常工作。）
回答by Michael Potter
I use this Perl one-liner:
我使用这个 Perl one-liner：
perl -e 'my ($sec, $min, $hour, $mday, $mon, $year) =localtime((stat(shift))[9]);printf("%04d-%02d-%02d %02d:%02d:%02d\n", $year+1900, $mon+1, $mday, $hour, $min, $sec)' /etc/passwd
Or like this in bash:
或者像这样在 bash 中：
filetime=$(perl -e 'my ($sec, $min, $hour, $mday, $mon, $year) =localtime((stat(shift))[9]);printf("%04d-%02d-%02d %02d:%02d:%02d\n", $year+1900, $mon+1, $mday, $hour, $min, $sec)' /etc/passwd)
echo $filetime
For your application you may want to remove the \n.
对于您的应用程序，您可能希望删除 \n。
The advantage of this over the accepted answer is:
与接受的答案相比，这样做的优点是：
- This runs across more platforms,
- You are in control of the time format and can make it machine friendly.
- 这在更多平台上运行，
- 您可以控制时间格式并使其易于机器使用。
