I'm new to Linux. I'm using the command-line. I'm trying to view the last modified date of a file. How do I do that in Linux from the Command Line?
As mentioned by @edvinas.me, stat
tells you various information about the file including the last modified date.
At first, I was confused with Modify and Change, just to clarify, stat
output lists:
- Access shows the time of last data access (e.g. read).
- Modify shows the time of last data modification.
- Change shows the time the file status last changed.
For example:
~ $ touch foo
~ $ stat foo
File: ‘foo’
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: fc01h/64513d Inode: 410397 Links: 1
Access: (0644/-rw-r--r--) Uid: (80972/ etomort) Gid: (18429/ eem_tw)
Access: 2015-09-21 12:06:11.343616258 +0200
Modify: 2015-09-21 12:06:11.343616258 +0200
Change: 2015-09-21 12:06:11.343616258 +0200
Birth: -
~ $ echo "Added bar to foo file" >> foo
~ $ stat foo
File: ‘foo’
Size: 42 Blocks: 8 IO Block: 4096 regular file
Device: fc01h/64513d Inode: 410654 Links: 1
Access: (0644/-rw-r--r--) Uid: (80972/ etomort) Gid: (18429/ eem_tw)
Access: 2015-09-21 12:09:31.298712951 +0200
Modify: 2015-09-21 12:09:31.298712951 +0200
Change: 2015-09-21 12:09:31.302713093 +0200
Birth: -
~ $ chmod 444 foo
~ $ stat foo
File: ‘foo’
Size: 42 Blocks: 8 IO Block: 4096 regular file
Device: fc01h/64513d Inode: 410654 Links: 1
Access: (0444/-r--r--r--) Uid: (80972/ etomort) Gid: (18429/ eem_tw)
Access: 2015-09-21 12:09:31.298712951 +0200
Modify: 2015-09-21 12:09:31.298712951 +0200
Change: 2015-09-21 12:10:16.040310543 +0200
Birth: -
Use stat
command for that:
$ stat file
-
36If you want just the last modified date (in human-readable form), use
stat -c '%y' file
– Adam Taylor Feb 19 '15 at 14:53
Another way that is more flexible is using date -r
. From man date
:
-r, --reference=FILE
display the last modification time of FILE
This has the advantage of allowing you to specify the output format, e.g.
$ date -r foo
Thu Aug 31 10:36:28 AEST 2017
$ date -r foo -R
Thu, 31 Aug 2017 10:36:28 +1000
$ date -r foo -u
Thu Aug 31 00:36:28 UTC 2017
$ date -r foo +%s
1504139788
-
3Yes, very helpful, thanks. Here is a bash function that will rename a file to be prefixed by the modified time: function mvfilestime() { if [ x"${1}" = "x" ] ; then echo "mvfilestime: Missing argument of file to mv" else f=$(date +"%Y-%m-%d-%H-%M" -r ${1})-${1} echo mv ${1} ${f} mv ${1} ${f} fi } – Traveler Apr 17 '18 at 19:39
-
-
ls -l
should do the work.
Example:
#> ls -l /home/TEST/
total 16
-rw-r--r-- 1 rfmas1 nms 949 Nov 16 12:21 create_nd_lists.py
-rw-r--r-- 1 rfmas1 nms 0 Nov 16 12:35 enb_list
-rw-r--r-- 1 rfmas1 nms 0 Nov 16 12:35 nb_list
-rw-r--r-- 1 rfmas1 nms 0 Nov 16 12:35 nodes_ip.txt
-rw-r--r-- 1 rfmas1 nms 0 Nov 16 12:35 rnc_list
Building off of @Adam Taylor 's comment in @phoops 's answer and @Sparhawk 's answer.
To specifically just get the date (using October 3, 2019 for examples because it was my last birthday, here's my venmo if you feel led to bless me financially: @levi_uzodike)
stat -c %y file | cut -d' ' -f1
will give you2019-10-03
date +%F -r file
will also give you2019-10-03
date +%D -r file
will give you10/03/19
date +%x -r file
will probably give either10/03/2019
, or10/03/19
if you're in the U.S. and either03/10/2019
, or03/10/19
if you're in the U.K., just to name a couple examples (of course there are more possibilities)
These date
format options are, to my understanding, combinations of other format options. Here are some explanations from the man page:
%b locale's abbreviated month name (e.g., Jan)
%B locale's full month name (e.g., January)
...
%d day of month (e.g, 01)
%D date; same as %m/%d/%y
%e day of month, space padded; same as %_d
%F full date; same as %Y-%m-%d
...
%m month (01..12)
...
%x locale's date representation (e.g., 12/31/99)
...
%y last two digits of year (00..99)
%Y year
...
By default, date pads numeric fields with zeroes.
The following optional flags may follow `%':- (hyphen) do not pad the field
_ (underscore) pad with spaces
0 (zero) pad with zeros
^ use upper case if possible
# use opposite case if possible
N.B.: These flags don't work on the "combo formats" like %F
, %D
and %x
. They are for the "singular field formats".
Apparently this last flag (#) does not work as I'd expect (e.g., if date +%b
gives Oct
, date +%#b
gives OCT
as opposed to oCT
) I guess this would be useless, but I'd think a lower case option would be more useful. date +%#p
does turn date +%p
which might give PM
or AM
into pm
or am
, respectively. So I guess it's not a 'per-character' case switch but sets the case of all the characters in the string to the opposite case of the majority of the characters? Also date +%P
gives pm
or am
, but neither date +%^P
nor date +%#P
change its output. My guess for this case is that %P
is just an alias for %#p
, and it seems that whenever you add more than one flag, the behavior is undefined/unpredictable ( e.g., date +%0-e
gives the same as date +%-e
: 3
and date +%-0e
gives the same as date +%0e
: 03
, which makes you think that only the flag next to the letter works or that it goes left to right, but both date +%#^p
and date +%^#p
give pm
or am
, [depending on the time of course] ) unless there's some hidden order of operations? Sorry for digressing...
Also, if you run the command locale -k LC_TIME | grep ^d_fmt
, you can see the combo for the specific locale of your system (e.g., d_fmt="%m/%d/%Y"
).
And you can make your own combo. For example,
date +%^b\ %-e\ %Y -r file
will give youOCT 3 2019
1) List Files directory with Last Modified Date/Time
To list files and shows the last modified files at top, we will use
-lt
options withls
command.$ ls -lt /run output total 24 -rw-rw-r--. 1 root utmp 2304 Sep 8 14:58 utmp -rw-r--r--. 1 root root 4 Sep 8 12:41 dhclient-eth0.pid drwxr-xr-x. 4 root root 100 Sep 8 03:31 lock drwxr-xr-x. 3 root root 60 Sep 7 23:11 user drwxr-xr-x. 7 root root 160 Aug 26 14:59 udev drwxr-xr-x. 2 root root 60 Aug 21 13:18 tuned
https://linoxide.com/linux-how-to/how-sort-files-date-using-ls-command-linux/
If the file is on another webserver, I like httpie
(docs).
Installation
pip install httpie --user
Usage
The -h
command gives only the header. The pattern is
http -h [url] | grep 'Last-Modified\|Date'
Example:
$ http -h https://martin-thoma.com/author/martin-thoma/ | grep 'Last-Modified\|Date'
Date: Fri, 06 Jan 2017 10:06:43 GMT
Last-Modified: Fri, 06 Jan 2017 07:42:34 GMT
The Date
is important as this reports the server time, not your local time. Also, not every server sends Last-Modified
(e.g. superuser seems not to do it).
ls -l
also works... – Daniel Beck♦ Apr 3 '14 at 12:48ls -l
the modified date or the create date? – Bruno Bieri Mar 2 '17 at 8:47man ls
. Typical Linux file systems don't even track creation date -- see the accepted answer for the kinds of dates kept track of. – Daniel Beck♦ Mar 2 '17 at 10:52