[ILUG] Find query

[Padraig Brady]

Kevin O Riordan wrote:
>>touch changes the mtime or optionally atime
>>not ctime.
>>
> 
> According to the manpage, touch changes "the access and modification
> times of each  FILE  to the current time".  Or optionally (with -a),
> "-a     change only the access time".
> 
> Funnily enough though, when I run touch, it seems to update the ctime
> too.
> 
> 	[kor at hoth kor]$ touch newfile
> 	[kor at hoth kor]$ stat newfile|grep '\(Access\|Modify\|Change\)'
> 	Access: Tue Feb 12 13:54:05 2002(00000.00:00:13)
> 	Modify: Tue Feb 12 13:54:05 2002(00000.00:00:13)
> 	Change: Tue Feb 12 13:54:05 2002(00000.00:00:13)
> 	[kor at hoth kor]$ touch newfile
> 	[kor at hoth kor]$ stat newfile|grep '\(Access\|Modify\|Change\)'
> 	Access: Tue Feb 12 13:54:21 2002(00000.00:00:01)
> 	Modify: Tue Feb 12 13:54:21 2002(00000.00:00:01)
> 	Change: Tue Feb 12 13:54:21 2002(00000.00:00:01)
> 	[kor at hoth kor]$ touch -a newfile
> 	[kor at hoth kor]$ stat newfile|grep '\(Access\|Modify\|Change\)'
> 	Access: Tue Feb 12 13:54:52 2002(00000.00:00:05)
> 	Modify: Tue Feb 12 13:54:35 2002(00000.00:00:22)
> 	Change: Tue Feb 12 13:54:52 2002(00000.00:00:05)
> 	[kor at hoth kor]$ touch -a newfile
> 	[kor at hoth kor]$ touch --version
> 	touch (GNU fileutils) 4.0
> 
> Not running any funny mount options here neither.  Odd.

ctime is not user changeable. It's not creation time, its inode
modification time (as opposed to data modifiation time).
Hence when the [am]time is changed explicitly the ctime will
be updated automatically.

Padraig.