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Top Forums Shell Programming and Scripting Convert a future date into epoch seconds on HPUX system Post 302961768 by veeresh_15 on Thursday 3rd of December 2015 11:12:55 AM
Old 12-03-2015
Oracle Convert a future date into epoch seconds on HPUX system

Hi All,

I have scenario where i have to compare two dates.
I thought of converting them to epoch seconds and do a numeric comparison.
This works fine on Linux systems.

Code:
$ date -d '2015/12/31' +%s
1451538000
$ date +%s
1449159121

But we don't have -d option in HPUX.

What would be an alternate method to convert any given date to epoch seconds on HPUX systems?

Thanks in advance for your help!

Regards,
Veeresham
 

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Tcl_GetTime(3)						      Tcl Library Procedures						    Tcl_GetTime(3)

__________________________________________________________________________________________________________________________________________________

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 Tcl 8.4 Tcl_GetTime(3)
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