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6
votes
3answers
2k views

Equivalent of date --reference in Solaris

The GNU implementation of the date command has a nice feature to show the date of the last modification of a reference file. Then using the +FORMAT parameter it's easy to get the date in any format, ...
24
votes
3answers
9k views

Birth is empty on ext4

I was just reading up on the Birth section of stat and it appears ext4 should support it, but even a file I just created leaves it empty. ~ % touch test ...
4
votes
1answer
526 views

How to compare attributes of two files on Linux ext4

cmp(1) will of course tell me if the contents of two files are identical, but in order to test restoring from backups I also wanted to compare the relevant (!) file attributes. So if I did something ...
8
votes
1answer
2k views

Does inotify fire a notification when a write is started or when it is completed?

Imagine two processes, a reader and a writer, communicating via a regular file on an ext3 fs. Reader has an inotify IN_MODIFY watch on the file. Writer writes 1000 bytes to the file, in a single ...
4
votes
1answer
849 views

What is “raw mode in hex” from stat output?

When using GNU stat to probe the filesystem, there are a number of format sequences available for the --format/--printf arguments; this one in particular %f Raw mode in hex doesn't make much ...
4
votes
3answers
5k views

using stat to provide timestamp for touch

Am trying to OCR some documents insitu (from a linux command line on a windows share). The process of OCRing is find and I have muddled through using the find command to pipe the files through the ...
3
votes
1answer
927 views

Is there a way to view a list of timestamp history of a document/file via terminal/command line?

This seems like it's simple but for some reason, it's not: Problem: I've been writing a paper- not even a script...just an economics paper- over the last 3 months. I'm trying to determine how much ...
4
votes
2answers
4k views

file block size - difference between stat and ls

I've noticed that when I do a: ls -ls file It provides block count, say 8 blocks. When I do: stat file I notice that the block count is 16, twice the number given by ls. The block size on my ...
2
votes
3answers
2k views

cp launched from code results in cannot stat '/tmp/somedir' works in shell

I'm working on making some scripts more elegant by implementing them in a real x application etc... At some point in the scripts we basically want to take everything from a mounted removable storage ...
4
votes
2answers
2k views

Access history of a file [duplicate]

I was wondering if there are any tools to keep track of the access history of a file. I know of stat, but as far as I understand, it only returns information about the last time the file was accessed. ...
12
votes
1answer
18k views

What does this process STAT indicates?

If you check the STAT column in above image you will see Ss S S< SN and R+ What does this indicates ? Process states. If yes,Then what is the significance of 'Ss S< SN and R+'?
4
votes
1answer
625 views

Efficiency of lots of inotify watches or stat calls

I am developing software that will utilize inotify to track changes on a large amount of files (tens to hundreds of thousands of files). I have come up with these ideas: one watch per file one watch ...
9
votes
1answer
2k views

When was `relatime` made the default?

What is the first Linux kernel release to set relatime as the default mount option?
6
votes
2answers
1k views

What can you do to a file without triggering the “Change” Timestamp?

What can you do to a file without triggering the "Change" stat? For instance, it appears that simply changing a bit will trigger Change.
6
votes
2answers
993 views

Change file creation time on a FAT filesystem

I need a way to change the creation time of a file on a mounted FAT32 volume. I have to do that because my MP3 player will only read files sorted by this creation time. If I can find a way to set the ...
2
votes
2answers
266 views

Has the GNU coreutils stat tool changed?

Has the GNU coreutils (8.6) version of stat changed? After a recent update, some scripts I wrote that call stat are not working as expected; in particular, I had been making use of stat -c %Y ...
3
votes
1answer
5k views

Error when using stat, errno=2

The case is as this, I create many files, and after the file generation, I use stat to get the all files info under the directory. The purpose is to purge all the files which are old than the ...