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Full Discussion: Deleting processed lines
Top Forums Shell Programming and Scripting Deleting processed lines Post 302298238 by BootComp on Tuesday 17th of March 2009 03:42:19 AM
Old 03-17-2009
Deleting processed lines
I have a log file that I am processing. This contains messages from and to a server (requests and responses).
The responses to requests may not be in order i.e. we can have a response to a request after several requests are sent, and in some error cases there may not be any response message.

The log file is usually 2MB+ in size, so I am trying to see if there is a way I can find a request message and its response and after I find this delete it from the logfile and again start at the beginning of the logfile for the next request / response message.

Is there a way to delete the lines from the file OR can anyone suggest a better way to go about this?
 

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LEARN ABOUT DEBIAN

bootptest

BOOTPTEST(8)						      System Manager's Manual						      BOOTPTEST(8)

NAME

       bootptest - send BOOTP queries and print responses

SYNOPSIS

       bootptest [ -f bootfile ] [ -h ] [ -m magic_number ] server-name [template-file]

DESCRIPTION

       bootptest  sends  BOOTP requests to the host specified as server-name at one-second intervals until either a response is received, or until
       ten requests have gone unanswered.  After a response is received, bootptest will wait one more second listening for additional responses.

OPTIONS

       -f     bootfile Fill in the boot file field of the request with bootfile.

       -h     Use the hardware (Ethernet) address to identify the client.  By default, the IP address is copied into the request  indicating  that
	      this client already knows its IP address.

       -m     magic_number Initialize the first word of the vendor options field with magic_number.

       A  template-file  may  be  specified, in which case bootptest uses the (binary) contents of this file to initialize the options area of the
       request packet.

CREDITS

       The bootptest program is a combination of original and derived works.  The main program module (bootptest.c) is original work by Gordon	W.
       Ross <gwr@mc.com>.  The packet printing module (print-bootp.c) is a slightly modified version of a file from the BSD tcpdump program.

       This  program  includes	software  developed  by the University of California, Lawrence Berkeley Laboratory and its contributors.  (See the
       copyright notice in print-bootp.c)

SEE ALSO

       bootpd(8)

REFERENCES

       RFC951 BOOTSTRAP PROTOCOL (BOOTP)

       RFC1048
	      BOOTP Vendor Information Extensions

MAINTENANCE COMMANDS
						   10 June 1993 						      BOOTPTEST(8)
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