2024 Check age of file bash

Check age of file bash

Author: robw

August undefined, 2024

WebDec 23, 2024 · On other file systems such as ZFS, BTRFS, and XFS, we can check for a file’s birth time: $ stat -c %w /mnt/zfs_drive/test.txt 2024-12-12 23:30:00.190003029 +0500. The -c option specifies the format. In our case, we passed the %w argument to the option, which signifies human-readable birth time. WebDec 12, 2024 · AGE=$ (perl -e 'print -M $ARGV [0]' $file) will set $AGE to the age of $file in days, as Perl's -M operator handles the stat call and the conversion to days for you. The return value is a floating-point value (e.g., 6.62849537 days). Add an int to the expression if you need to have an integer result AGE=$ (perl -e 'print int -M $ARGV [0]' $file)

How can I change the date modified/created of a file?

WebJun 9, 2009 · Combined with the bash shell math operator working out the age of the file becomes quite easy: age=$ (stat -c %Y $file) now=$ (date +"%s") if ( ( (now - age) > (58 * 60) )) then ... regenerate the file ... fi You could do the above without the two variables, … WebSep 12, 2024 · Open the terminal and navigate to the directory where the file is located. Type ls -l and press Enter. This will show you a list of all the files in the directory, as well as their permissions, size, creation date, etc. Run pwd to get the file path Find the device path for this file with df -h command cross eyed baby 10 months

Get File Creation Date/Time In Bash Baeldung on Linux

Websudo tune2fs -l /dev/sda1 **OR** /dev/sdb1* grep 'Filesystem created:' This will tell you when the file system was created. * = In the first column of df / you can find the exact partition to use. Share Improve this answer edited Dec 31, 2024 at 10:49 Julian Knight 148 6 answered Mar 23, 2011 at 21:08 RailOcelot 1,362 1 8 4 5 WebMar 3, 2024 · The file command uses the following basic syntax: file [option] [file name] In the syntax above, file name represents the name of the file you want to test. The file command performs three sets of tests trying to determine the file type, in this order: Filesystem tests perform a stat (2) system call and check the result against the system ... WebApr 15, 2024 · The header lists the two file names and their modification times. There are asterisks ( *) before the name of the first file and dashes ( -) before the name of the second file. Asterisks and dashes will be used to indicate which file the lines in the output belong to. bugs bunny cartoons free do

Linux File Command: How to Determine File Type in Linux

command line - Find the latest file by modified date - Ask Ubuntu

WebOSX's date and stat commands are different. You can use the following command: echo $ ( ($ (date +%s) - $ (stat -t %s -f %m -- "$filename"))) seconds echo $ ( ( ($ (date +%s) - $ (stat -t %s -f %m -- "$filename")) / 86400)) days. Non-embedded Linux systems and OSX have Perl installed by default. WebDec 21, 2015 · Dec 21, 2015 at 15:28. Show 1 more comment. 4. This command uses only POSIX features of find and of ls: find . -type f -mtime +10 -exec ls -lS {} +. However, it may call ls more than once, if there are a very large number of files in the current directory (or subdirectories recursively) matching the -mtime +10 primary. cross eyed black manWebJul 26, 2024 · $ chmod u+x file-age To determine the age of a file, we have to specify the filename as an argument in the following manner. $ ./file-age systemlog.txt Find Age of File in Linux. The screen capture above … cross eyed adam sandler

"WebApr 10, 2024 · To find the oldest file in the entire root (/) file system, run: $ sudo find / -type f -printf '%T+ %p\n' sort head -n 1 Update: A fellow Linux user has pointed out how to find the oldest or newest files in a directory in the comment section … " - Check age of file bash

Check age of file bash

unix - Determining age of a file in shell script - Stack …

WebJun 6, 2024 · In Bash you can use the test command to check whether a file exist and determine the type of the file. Many times when writing Shell scripts, you may find yourself in a situation where you need to perform … WebAug 22, 2002 · Instead a solution using the total number of seconds since a fixed date is simple and straight-forward. The Unix epoch time starts at new years moment 1970 and counts the number of seconds since then. The age of a file in seconds is then EpochTime (now) - EpochTime (file).

Did you know?

WebOct 1, 2008 · A shell script to display file date in following format: + Time of last access + Time of last modification + Time of last change Please note that UNIX / Linux filesystem never stores file creation date / time stamp. This script use stat command to find out information about file date and time using custom field format. WebMar 6, 2024 · Bash can determine how many files have been accessed within the previous 24 hours using the -mtime option. If you want to find a file that has been accessed for at least two months, you can use the -mtime option with a value of 60. Append The -a Option To See The Access Time For A File

WebFeb 9, 2024 · Getting the File Creation Date Using debugfs. We can also use the debugfs command to find the creation date on ext4 filesystems. However, it is not as intuitive as the stat command since its primary purpose is to debug filesystems. Firstly, we need the inode number of our file. We can find it with the ls command. Webfind -name file2 -newer file1 will return null if file2 is older or the same age as file1. It will return the name (and directory) of file2 if it's newer. Be aware that Linux doesn't keep track of when files were created. These tests will be for the most recent modification date and time. Share Improve this answer Follow

WebOct 28, 2013 · You can use sed to add local keyword and make the script a bit safer and not polute your global scope. So inside a a function do cat global_variables.sh sed -e 's/^/local /' > local_variables.sh and then use . ./local_variables.sh.Whatever you import in the function will only be available in that function. Note that it assumes global_variables.sh only … WebSep 22, 2015 · Test a file date with bash - Stack Overflow Test a file date with bash Ask Question Asked 13 years, 4 months ago Modified 7 years, 6 months ago Viewed 25k times 17 I am trying to test how old ago a file was created (in seconds) with bash in an if statement. I need creation date, not modification.

WebSep 13, 2011 · Let this file represent the subdirectory. Now sort the level 1 files along with the representatives of the level 1 subdirectories. If the number of number of level 1 files and sub-dirs of each directory is nearly a constant, then this process should scale linearly with total number of files. This is what I came up with to implement this:

WebJun 23, 2024 · The usual way to test file times is the shell: [ file1 -nt file2 ] && echo "yes". Seems to work with seconds. This, which will touch the files with a time difference less than a second, doesn't detect that difference: $ touch file2; sleep 0.1; touch file1; [ file1 … bugs bunny cartoons non stopWebMar 3, 2024 · The file command performs three sets of tests trying to determine the file type, in this order: Filesystem tests perform a stat (2) system call and check the result against the system header file. This way, the file command determines if the file is a common type for your system (such as a text file, image, directory, etc.). bugs bunny cartoons episodes gangsterWebSep 7, 2024 · If you want to check for multiple conditions in a bash script, then you can use logic gates to accomplish this. The AND logic gate only returns TRUE when both comparisons being made are TRUE. AND logic … cross eyed bears cross eyed boyWebMar 31, 2024 · Modify the file permissions and allow execution of the script by using the command below: chmod u+x hello_world.sh chmod modifies the existing rights of a file for a particular user. We are adding +x to user u. Run the script. You can run the script in the following ways: ./hello_world.sh bash hello_world.sh. Here's the output: cross eyed bear imageWebSep 22, 2011 · touch -d "2 hours ago" filename If you want to modify the file relative to its existing modification time instead, the following should do the trick: touch -d "$ (date -R -r filename) - 2 hours" filename If you want to modify a … cross eyed beautyWebDec 29, 2024 · Let's say I have /path/mydir and this directory has a big bunch of files inside. Given its path, I want to output the timestamp of the most recent modified file. I guess that the procedure could be do a foreach file recursive, check them all and update a variable with the most recent time each time a more recent one is found. cross eyed bug