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Full Discussion: Ksh: Read line parse characters into variable and remove the line if the date is older than 50 days
Top Forums Shell Programming and Scripting Ksh: Read line parse characters into variable and remove the line if the date is older than 50 days Post 302976878 by MadeInGermany on Thursday 7th of July 2016 01:36:15 PM
Old 07-07-2016
and 86400 sec = 60 * 60 * 24 sec = 1 day
A - B > 0 is equal to A > B so you can do
Code:
while IFS="_ " read LUSER LDATE
do
  if [ $(( $(date +%s) - $(date +%s -d"${LDATE:2:2}/${LDATE:0:2}/${LDATE: -4}") )) -ge 4320000 ]
  then
    echo "$LUSER, $LDATE"
  fi
done < lockedusers.txt

This User Gave Thanks to MadeInGermany For This Post:
humble_learner
 

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LEARN ABOUT OPENSOLARIS

tcl_gettime

Tcl_GetTime(3TCL)					      Tcl Library Procedures						 Tcl_GetTime(3TCL)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_GetTime - get date and time

SYNOPSIS

       #include <tcl.h>

       Tcl_GetTime( timePtr )

ARGUMENTS

       Tcl_Time *   timePtr   (out)	Points to memory in which to store the date and time information.
_________________________________________________________________

DESCRIPTION

       The  Tcl_GetTime function retrieves the current time as a Tcl_Time structure in memory the caller provides.  This structure has the follow-
       ing definition:
	      typedef struct Tcl_Time {
		  long sec;
		  long usec;
	      } Tcl_Time;

       On return, the sec member of the structure is filled in with the number of seconds that have elapsed since the  epoch:  the  epoch  is  the
       point  in time of 00:00 UTC, 1 January 1970.  This number does not count leap seconds - an interval of one day advances it by 86400 seconds
       regardless of whether a leap second has been inserted.

       The usec member of the structure is filled in with the number of microseconds that have elapsed since the start of the second designated by
       sec.  The Tcl library makes every effort to keep this number as precise as possible, subject to the limitations of the computer system.	On
       multiprocessor variants of Windows, this number may be limited to the 10- or 20-ms granularity of the system clock.   (On  single-processor
       Windows systems, the usec field is derived from a performance counter and is highly precise.)

SEE ALSO

       clock

KEYWORDS

       date, time

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +--------------------+-----------------+
       |  ATTRIBUTE TYPE    | ATTRIBUTE VALUE |
       +--------------------+-----------------+
       |Availability	    | SUNWTcl	      |
       +--------------------+-----------------+
       |Interface Stability | Uncommitted     |
       +--------------------+-----------------+
NOTES

       Source for Tcl is available on http://opensolaris.org.

Tcl									8.4							 Tcl_GetTime(3TCL)
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