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Top Forums Shell Programming and Scripting How to get time duration between two human readable time stamp in Unix? Post 302539778 by ford99 on Monday 18th of July 2011 05:40:09 PM
Old 07-18-2011
How to get time duration between two human readable time stamp in Unix?

Here is two time I have:

Jul 12 16:02:01
Jul 13 01:02:01

and how can I do a simple match to get difference between two time which is 09:00:00

Thanks in advance.
 

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PCAP_SET_TSTAMP_PRECISION(3)				     Library Functions Manual				      PCAP_SET_TSTAMP_PRECISION(3)

NAME
pcap_set_tstamp_precision - set the time stamp precision returned in captures SYNOPSIS
#include <pcap/pcap.h> int pcap_set_tstamp_precision(pcap_t *p, int tstamp_precision); DESCRIPTION
pcap_set_tstamp_precision() sets the precision of the time stamp desired for packets captured on the pcap descriptor to the type specified by tstamp_precision. It must be called on a pcap descriptor created by pcap_create() that has not yet been activated by pcap_activate(). Two time stamp precisions are supported, microseconds and nanoseconds. One can use options PCAP_TSTAMP_PRECISION_MICRO and PCAP_TSTAMP_PRE- CISION_NANO to request desired precision. By default, time stamps are in microseconds. RETURN VALUE
pcap_set_tstamp_type() returns 0 on success if the specified time stamp precision is expected to be supported by the operating system, PCAP_ERROR_TSTAMP_PRECISION_NOTSUP if operating system does not support requested time stamp precision, PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated. SEE ALSO
pcap(3), pcap_get_tstamp_precision(3), pcap-tstamp(7) 27 August 2013 PCAP_SET_TSTAMP_PRECISION(3)
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