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Full Discussion: Reason for no directory creation date
Top Forums Shell Programming and Scripting Reason for no directory creation date Post 303029135 by jlliagre on Tuesday 22nd of January 2019 07:55:53 AM
Old 01-22-2019
I wouldn't write most BSD, Linux and UNIX systems do not save a file creation time.
  • FreeBSD traditional file system is UFS2 and the trend is to switch to ZFS. Both of these file systems store the file creation time.
  • Linux default file system on many distributions is ext4 which stores file creation time too. Some alternatives like btrfs and ZFS do also store it.
  • OS X main file system is HFS Plus and it is transitioning to APFS, both store the creation time.
  • On the Unix side, Solaris, AIX, and HP-UX respectively default to ZFS, JFS, and VXFS. All three do store the creation time.

An exception is OpenBSD with FFS2.

Given the unfortunate lack of standard for this feature, the ways to retrieve that piece of information will vary depending on the OS. That might be ls, the non standard stat command, or something else.
Last edited by jlliagre; 01-22-2019 at 06:40 PM..
These 3 Users Gave Thanks to jlliagre For This Post:
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create_makefiles

CREATE_MAKEFILES()														CREATE_MAKEFILES()

NAME

       create_makefiles - Recreates all Makefiles beneath a directory

SYNOPSIS

       create_makefiles [dir]

DESCRIPTION

       create_makefiles recreates all Makefiles in dir and its (recursed) subdirectories from the corresponding Makefile.am templates.

       This script must be run from the toplevel directory (the one containing configure). This script saves time compared to re-running configure
       completely.

       If the source directory is different from the build directory (see the environment variables below), it will be assumed that each
       Makefile.am and Makefile.in belongs beneath the source directory and that each Makefile belongs beneath the build directory.

       This utility is part of the KDE Software Development Kit.

ENVIRONMENT

       One of the following variables (but not both) should be set if the source directory is different from the build directory. If the build
       directory is simply a subdirectory of the source directory, the simpler variable OBJ_SUBDIR should be used.

       OBJ_SUBJDIR
	   Indicates that the build directory is in the given subdirectory of the source directory. For instance, if the source directory is
	   kdesdk and the build directory is kdesdk/obj-i386-linux, then OBJ_SUBDIR should be set to obj-i386-linux.

       OBJ_REPLACEMENT
	   A sed expression that is used to transform the source directory into the build directory. For instance, if the source directory is
	   kdesdk/obj-i386-linux, then OBJ_REPLACEMENT should be set to s#kdesdk#kdesdk-obj#.

SEE ALSO

       create_makefile(1) make(2)

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       create_makefiles was written by David Faure<faure@kde.org>.

       This manual page was prepared by Ben Burton<bab@debian.org> for the Debian GNU/Linux system (but may be used by others).

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