In our case, we passed the %w argument to the option, which signifies human-readable birth time. e: flag passes the perl script as a parameter i.e perl oneliner. p: Places a print loop around the command. 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 perl: Denotes pre-defined date and time module. There are two types of specifiers, one is for. Although it should work on other file systems that support the birth time for a file, it’s not supported on the EXT file system. The Perl POSIX strftime() function is used to format date and time with the specifiers preceded with () sign. We can also notice the Birth field in the above output, which should imply the creation time of the file. This count starts at the Unix Epoch on January 1st, 1970 at UTC. The tool below can only handle Zulu timestamps. T is the time zone which is usually 'Z' (Zulu Time Zone UTC/GMT). The timestamp has the following format: YYYYMMDDHHMMSST. NOTE: I need to make changes in input file only. What is the unix time stamp The unix time stamp is a way to track time as a running total of seconds. The timegm() and timelocal() functions will need a use statement: If you only care about timing something within the current process (script), use (times)0. These LDAP timestamps are much more simple and start with the year. As I am not a perl coder, I am finding it difficult to figure out the way. This date and time is not constant and will change whenever I save the file(it takes the current date and time). Size: 20879 Blocks: 48 IO Block: 4096 regular fileĪccess: (0755/-rwxr-xr-x) Uid: ( 1000/ hey) Gid: ( 1000/ hey)Īs we can see, it prints a lot of extra information about the file. Now, I have to delete the string '2 06:20:48.644'in the file. The stat command prints out information about files and file systems. As an alternative to the date command, we can also use the stat command.
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