How do you check if a file is modified in Linux?

The modification time can be set by the touch command. If you want to detect whether the file has changed in any way (including the use of touch , extracting an archive, etc.), check whether its inode change time (ctime) has changed from the last check. That’s what stat -c %Z reports.

How can you tell if a file has changed?

How to check if a file has changed?

  1. Yes, you can use a hash, or simply check the modified time of the file. You could just have typed you question in a search engine… – …
  2. I just typed it into a search engine and I ended up here. A totally legit question and this is the best place for a discussion, imo. –

How do you check when was the file last modified Linux?

2. The find Command

  1. 2.1. -mtime and -mmin. -mtime is handy, for example, if we want to find all the files from the current directory that have changed in the last 24 hours: find . – …
  2. 2.2. -newermt. There are times when we want to find the files that were modified based on a particular date.
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Which command will to find all the files which are changed in last 1 hour in Unix?

Example 1: Find files whose content got updated within last 1 hour. To find the files based up on the content modification time, the option -mmin, and -mtime is used. Following is the definition of mmin and mtime from man page.

Which command will find a file without showing permission denied messages?

Find a file without showing “Permission Denied” messages

When find tries to search a directory or file that you do not have permission to read the message “Permission Denied” will be output to the screen. The 2>/dev/null option sends these messages to /dev/null so that the found files are easily viewed.

Where is the list of files modified in the last 30 minutes Linux?

Syntax of find command with “-mmin n” option

+n : find command will look for files modified in before the last n minutes i.e. which are not modified in last n mins. n : find command will look for files which are modified exactly n minutes ago.

How do you check when was the file last modified in Unix?

How to Get Last Modified Date of File in Linux?

  1. Using Stat command.
  2. Using date command.
  3. Using ls -l command.
  4. Using httpie.

How do I change the last modified date in Linux?

Touch command is used to change these timestamps (access time, modification time, and change time of a file).

  1. Create an Empty File using touch. …
  2. Change File’s Access Time using -a. …
  3. Change File’s Modification Time using -m. …
  4. Explicitly Setting Access and Modification time using -t and -d.
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How do I find files modified in the last two days?

/directory/path/ is the directory path where to look for files that have been modified. Replace it with the path of the directory where you want to look for files that have been modified in the last N days. -mtime -N is used to match files that had their data modified in the last N days.

Which command will find all the files without permission 777?

find /home/ -perm 777 -type f

This command will list all the files inside the home directory that has 777 permissions.

Where is the 10 day old file in Unix?

4 Answers. You could start by saying find /var/dtpdev/tmp/ -type f -mtime +15 . This will find all files older than 15 days and print their names. Optionally, you can specify -print at the end of the command, but that is the default action.

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