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Full Discussion: Limiting the Script
Top Forums Shell Programming and Scripting Limiting the Script Post 302739999 by Yoda on Wednesday 5th of December 2012 10:08:19 AM
Old 12-05-2012
One way of doing this is to keep track of the time in a file. Just to give you an idea, you can code something like this:-
Code:
CURR_TS=$( date +"%Y%m%d%H" )                       # Current time-stamp
FILE_TS=$( cat curr_ts.txt 2> /dev/null )           # Time-stamp in file

if [ $CURR_TS -eq $FILE_TS ]                        # Checking if current time-stamp & time-stamp in file is matching.
then
      # Do not send email
else
      # Do send email
      echo $CURR_TS > curr_ts.txt                   # Update new time-stamp in file.
fi

 

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PCAP_SET_TSTAMP_TYPE(3PCAP)											       PCAP_SET_TSTAMP_TYPE(3PCAP)

NAME
pcap_set_tstamp_type - set the time stamp type to be used by a capture device SYNOPSIS
#include <pcap/pcap.h> int pcap_set_tstamp_type(pcap_t *p, int tstamp_type); DESCRIPTION
pcap_set_tstamp_type() sets the the type of time stamp desired for packets captured on the pcap descriptor to the type specified by tstamp_type. It must be called on a pcap descriptor created by pcap_create() that has not yet been activated by pcap_activate(). pcap_list_tstamp_types() will give a list of the time stamp types supported by a given capture device. See pcap-tstamp(7) for a list of all the time stamp types. RETURN VALUE
pcap_set_tstamp_type() returns 0 on success if the specified time stamp type is expected to be supported by the capture device, PCAP_WARN- ING_TSTAMP_TYPE_NOTSUP on success if the specified time stamp type is not supported by the capture device, PCAP_ERROR_ACTIVATED if called on a capture handle that has been activated, and PCAP_ERROR_CANTSET_TSTAMP_TYPE if the capture device doesn't support setting the time stamp type. SEE ALSO
pcap(3PCAP), pcap_list_tstamp_types(3PCAP), pcap_tstamp_type_name_to_val(3PCAP), pcap-tstamp(7) 21 August 2010 PCAP_SET_TSTAMP_TYPE(3PCAP)
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