Search files between date ranges - Ctime usage Post: 302997407

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Top Forums UNIX for Beginners Questions & Answers Search files between date ranges - Ctime usage Post 302997407 by Don Cragun on Friday 12th of May 2017 04:11:32 PM

05-12-2017

Registered User

You have a few issues that keep you from reaching your goal:

Most filesystems do not keep track of when a file was created; the struct stat st_ctime field stores the timestamp of the last file status change. A file's status changes when a file is created, when a file's size changes (by truncating the contents of the file or by writing data to a position greater than the file's current size), or by changing the file's mode or access permissions.
The find -ctime primary doesn't work on calendar dates; it works on multiple of 24 hours from the time you invoke find.

To find files whose last file contents modification time occurs on a given calendar date (or other period of time unrelated to when you invoke find), use touch to create one file with timestamps corresponding to the start time of your desired time period (startTimeFile in this example) and create another file with timestamps corresponding to the end time of your desired time period (endTimeFile) and then use:

Code:

find . -newer startTimeFile ! -newer endTimeFile

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conjunct

CONJUNCT(1)						      General Commands Manual						       CONJUNCT(1)

NAME

       conjunct - find dates of equinox or new or full moon

SYNOPSIS

       conjunct [options]

DESCRIPTION

       conjunct  searches  for	one of these events: spring equinox (default), summer solstice, autumn equinox, winter solstice, new moon, or full
       moon.

OPTIONS

       -s, --start date
	      Set starting date (default is current date).  The date may be either a Julian day number (e.g. 2454180.0 for noon, 2007 March 20) or
	      an ISO 8601 date (e.g. 2007-03-20).

       -e, --end date
	      Set ending date (default is one year from now).

       -V, --vernal, --spring
	      Search for spring equinox (default).

       -S, --summer
	      Search for summer solstice.

       -A, --autumn, --fall
	      Search for autumn equinox.

       -W, --winter
	      Search for winter solstice.

       -N, --newmoon
	      Search for new moon.

       -F, --fullmoon
	      Search for full moon.

       -h, --help
	      Show summary of options.

SEE ALSO

       aa(1).

AUTHOR

       conjunct was written by Stephen L. Moshier <steve@moshier.net>.

       This manual page was written by James R. Van Zandt <jrv@debian.org>, for the Debian project (but may be used by others).

								  August 24, 2006						       CONJUNCT(1)