timestamp is used for questions that are about data specifying seconds since the epoch (19700101T00:00:00) or possible some other standard, and also for (date) and time information in filenames.

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4
votes
1answer
35 views

Find the files between two folder dates in linux?

I need to find the folder names along with the file names which has my string in their contents. I am in this directory "/data/queue/data" and I have lot of folders in the same directory and inside ...
1
vote
0answers
11 views

Encoding a video from Unix Timestamps + ms

I have a sequence of images that were taken from a camera that have been saved in a naming convention that contains the unix timestamp as well as milliseconds. For instance, 1333351808430.jpg (I typed ...
0
votes
2answers
973 views

Correct timeline of a .ts file

I have some MVs that is recorded from a TV, but timeline was incorrect somehow: Anyone know some tool that can fix it ? The media plays fine, just the displayed stuff doesn't look good
18
votes
3answers
2k views

How does touch -t work internally?

How does touch -t command works exactly, internally (I tried to find its source code but couldn't)?
2
votes
3answers
42 views

Can system time be paused?

This may or may not be the right approach, but it's feasibility was requested of me: We have a demo server that we update from time to time in order to keep the statistical calculations up-to-date. ...
3
votes
1answer
198 views

How can I see a file's historical modification times? [duplicate]

stat outputs a file's last modification time. How can I see a list of all the times a file was modified? For example, I'd like to edit a file 5 times, and see 5 modification times.
0
votes
1answer
51 views

Delete files older than X days +

I have found the command to delete files older than 5 days in a folder find /path/to/files* -mtime +5 -exec rm {} \; But how do I also do this for subdirectories in that folder?
2
votes
1answer
574 views

Hardware Timestamping using PTP

I'm new to Linux programming. I have an Intel NIC with e1000e driver. I'm working on accurate time stamping of packets being captured from a network. My question is if I want to use RT Linux how ...
1
vote
1answer
32 views

Match closest equal or preceding timestamp

I have a series of timestamps representing events, e.g.: 20150401_1120 // event a 20150401_1211 // event b And a series of logfiles, each representing a fixed period of time and timestamped ...
0
votes
2answers
37 views

How to change the format of a past timestamp

I've got an arbitrary time stamp 1427792481 I'm trying to implement +"%F" so I just get 2015-03-31 How can I do this? My ideal goal would be to get 20150331
2
votes
4answers
1k views

Get the latest directory (not the latest file)

My folder parent has the following content: A.Folder B.Folder C.File It has both folders and files inside. B.Folder is newer. Now I just want to get B.Folder, how could I achieve this? I tried ...
2
votes
1answer
117 views

rsync's --link-dest option does not link because of file time

Consider this test case: mkdir a echo 'blah' > a/test mkdir b echo 'blah' > b/test rsync -r --link-dest=/tmp/b /tmp/a/ /tmp/c As expected, rsync creates c/test a hardlink of b/test (note the ...
11
votes
3answers
2k views

What file systems on Linux store the creation time?

Are there any (good known, reliable) file systems on Linux that store the creation time of files and directories in the i-node table? If there are, is the "changed" time replaced by the creation ...
26
votes
6answers
44k views

How to find creation date of file?

I want to find out the creation date of particular file, not modification date or access date. I have tried with ls -ltrh and stat filename.
4
votes
2answers
491 views

Extract timestamp from a gzip file

How can I know the raw original timestamp of a file foo compressed with gzip without having to decompress foo.gz? gzip --verbose --list foo.gz and file foo.gz will print formatted date and time.
0
votes
0answers
24 views

Cancel removing a directory, and want to find out what have been removed

I was removing a directory by rm -r mydir and cancelled it in the middle. How can I find out what have been removed under the directory? Does remove a content of a directory change the timestamp of ...
16
votes
6answers
9k views

How can I do a “copy if changed” operation?

I would like to copy a set of files from directory A to directory B, with the caveat that if a file in directory A is identical to a file in directory B, that file should not be copied (and thus its ...
2
votes
1answer
49 views

How to change only the mtime of a directory?

I am trying to change just the mtime of a directory by adding files or sub directories but that changes the ctime of the file too. Is there any way to just change the mtime without affecting the ctime ...
2
votes
4answers
421 views

Change to the last modified subdirectory of the current directory

I have an application which generates a couple of files in different directories at a regular interval and I need to check the latest files generated, i.e. the file which is generated in the most ...
16
votes
4answers
10k views

How to list files that were changed in a certain range of time?

How can I list recursively all files that were changed between 22.12.2011 and 24.12.2011?
2
votes
2answers
43 views

change of atime, mtime or ctime of a file and of its ancestral dir?

How does change of atime, mtime or ctime of a file affect the atime, mtime or ctime of its parent directory and the atime, mtime or ctime of its ancestral directories?
1
vote
2answers
131 views

Does change of a file in a directory not change the time of the directory?

I want to find a file which I created recently, but I don't remember anything and can only guess it is under a directory indirectly with any possible depth. I inspected the times of all the ...
0
votes
2answers
24 views

Protected archive (7z, RAR, Zip) open at a specific time

Are there any compression tools that are unopenable or password-protected until a specific time, at when the security is then lifted? Literally an enforced: "Do not open until --/--/----"
1
vote
1answer
25 views

find's - cnewer broken on NTFS-3g?

After extracting an archive to the wrong place, I thought I'd erase everything created after it, but find . -cnewer archive.7z gave the wrong results. So I made a controlled test by touching three ...
2
votes
3answers
66 views

Repeatedly ziping a file that is newly created, but identical, however the shasum of the zip keeps changing

This is a followup to I am repeatedly zipping the same folder of files, but the shasum keeps changing essentially.. I am trying to add a file containing the git sha of the current commit when I zip a ...
0
votes
1answer
49 views

How to use awk to read data between all frequent time intervals

I have a log file in following format [30/Jan/2015:10:10:30 +0000] 12.30.30.204 xff=- reqId=[-] status_check len=- GET /api/getstatus HTTP/1.1 mi=- ec=- 200 425 [30/Jan/2015:10:11:00 +0000] ...
1
vote
1answer
43 views

Whats wrong in creating/printing this array?

To find the average time taken to create certain files, I'm using this minutes array, then would simply use bash arithmetic to find the average. However I'm unable to get the difference except for the ...
2
votes
1answer
58 views

Time remaining for the next run

I need to calculate the time remaining for the next run of a specific job in my Cron Schedule, I've a Cron with jobs having frequencies of per hour, thrice a day etc, no jobs running on specific ...
3
votes
3answers
109 views

Get modification date that can be used with touch -m

I need to get the modification date of a file so that I can set it on other files using touch -m. stat or perl -le 'print((stat shift)[9])' Didn't return what I wanted. I think that you are supposed ...
-1
votes
1answer
35 views

How to count files between two time stamps

I need to count number of files processed during some period. For e.g the number of files processed between 9am to 10am. I tried below but it is not working. wc -l | -mtime JAN 17 10:00 +mtime JAN 17 ...
2
votes
2answers
765 views

Change file timestamp and display hour instead of year with ls

I want to change a file's date to tomorrow 21:00. I used touch, but when I type ls -l the year of the file is displayed instead of the hour. -rw-r--r-- 1 ABCD DEF 0 sept. 30 2014 test01 -r-xr-xr-x ...
0
votes
1answer
79 views

Adding timestamp into log file via cronjob command [duplicate]

I try to run git pull command with loging output message to file every 5 minutes. But i got error like this, (root) CMD (cd /var/www/sites/ && git pull origin master | sed -e "s/^/$(date ...
1
vote
1answer
70 views

List files from time X to time Y

How to list out all files created between from 'x' to 'y' time? I want to list out files created between "29-dec-2014 18:00" to "30-dec-2014 18:00". Using ls or stat?
3
votes
3answers
553 views

Determine if a file has been modified

In Linux (currently using ext4 filesystem), how can one check quickly if the contents of a file has been modified without reading any of its contents? Is the stat command a recommended approach? I ...
1
vote
2answers
37 views

change non-zero padded hour and minute into 24hr time

I have data that I need to change before running it through the pandas library in python. It is currently in a format that stores midnight values as 2400 and that should be changed to 0000. The ...
3
votes
2answers
123 views

Append unix timestamp to files with space using a script

This script works fine for all files recursively as well but it does not name files that has space in between. For example it throws error for the files "this is a test.txt" or "test file.txt" Any ...
2
votes
1answer
238 views

Find files older than x amount of time in specific directory with ignoring subdirectories

My setup is as following: folder structure dir |--correctfile1 |--correctfile2 |--correctfile3 |--subdir1 |--wrongfile1 |--wrongfile2 |--wrongfile3 |--subdir2 |--subdir3 I need to ...
4
votes
1answer
45 views

Why does my named pipe keep getting modified?

I have a named fifo created from a C program like this: res = mkfifo("/home/myfolder/myfifo", 0666); after that there are only reads and writes. Now, from this answer : Does a named pipe change ...
2
votes
1answer
50 views

find command sometimes results in non-matching files being zipped

I'm trying to make a zip file of all the files in a specific directory which were modified in the last x minutes. Here's my command: find "/path/to/dir" -mmin -30 -not -name ".*" -exec zip -r ...
0
votes
2answers
126 views

linux + find command with rm -rf

why the following command removed the tmp directory under /var and how to avoid this? find /var/tmp -type d -ctime -1 -exec rm -rf {} \; pwd /var/tmp [root@linux /var/tmp]# find /var/tmp -type ...
1
vote
3answers
102 views

Remove old directories according to directory's name?

In my bash script I create a directory each month for backups as follows: DAY=$(date -d "$D" '+%d') MONTH=$(date -d "$D" '+%m') YEAR=$(date -d "$D" '+%Y') mkdir -p /var/app/backup/$DAY$MONTH$YEAR ...
5
votes
2answers
17k views

Cron job to delete files older than 3 days

I need to remove files older than 3 days with a cron job in 3 different directories. (these 3 directories are children of a parent directory /a/b/c/1 & /a/b/c/2 & /a/b/c/3) Can this be done ...
3
votes
2answers
440 views

Append timestamp of last edit to filename

I would like to add the time of the last change to the file to its filename using the bash. For example this output of ls -la: -rw-rw-r-- 1 beginner beginner 5382 Dec 1 17:18 B_F1-1.xml should ...
1
vote
1answer
412 views

Shell script check if file exists?

I wrote a simple backup script which back ups my stuff on a remote server, everything is working great but I'd like to have some sort of report like "backup successful or not". this is my script # ...
1
vote
4answers
404 views

How to delete the files in one folder which are more than 60 days old in UNIX?

I know how to delete the files which are more than 60 days old by modification time, but I want to delete files based on a timestamp in the file name. For example, I have the below files for each day ...
2
votes
3answers
73 views

Remove files from listing that are created/modified on Saturday

I am not sure if it is possible. I do ls -l, it gives all the files in the current directory. Is there a way to say list only files that weren't created/modified on Saturday's with shell command?
0
votes
1answer
64 views

Query for displaying UNIX files created on particular timestamp

I wish to list down all files which were created on particular time. (For ex: files created on time: Nov 13 09:09) -rw-r--r-- 1 bitt1 cerillio 43268 Nov 13 09:02 sendEsbUpdateEvents.log ...
2
votes
1answer
51 views

Append same timestamp to multiple filenames

I have several files that I ftp each hour. The receiving system needs to have some sort of identifier that they came from the same batch, so I would like to append a timestamp to the filename. That ...
5
votes
3answers
449 views

How to view last 5 lines from last created/modified file?

Every day I have to take backup and update the status to support teams at particular time for which I need to check last 5 lines of last created/modified *.aff file in a directory and update them. ...
2
votes
2answers
135 views

How to disallow file modification time change for non root users

I don't want anybody to create a file then change the creation date to backward date(For example using touch or system call). In my Ubuntu hosting account I'm getting many hacked php code getting ...