12-19-2018
Most linux distributions have dgrep available - date grep. Primarily, it uses the standard library to convert dates to number of seconds since Jan 1, 1970.
Then dgrep does what grep does with the transformed date - select lines from a file
dgrep linux command man page
This User Gave Thanks to jim mcnamara For This Post:
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LEARN ABOUT OPENDARWIN
stime
STIME(2) Linux Programmer's Manual STIME(2)
NAME
stime - set time
SYNOPSIS
#include <time.h>
int stime(const time_t *t);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stime():
Since glibc 2.19:
_DEFAULT_SOURCE
Glibc 2.19 and earlier:
_SVID_SOURCE
DESCRIPTION
stime() sets the system's idea of the time and date. The time, pointed to by t, is measured in seconds since the Epoch, 1970-01-01
00:00:00 +0000 (UTC). stime() may be executed only by the superuser.
RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
ERRORS
EFAULT Error in getting information from user space.
EPERM The calling process has insufficient privilege. Under Linux, the CAP_SYS_TIME privilege is required.
CONFORMING TO
SVr4.
SEE ALSO
date(1), settimeofday(2), capabilities(7)
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2016-03-15 STIME(2)