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Full Discussion: log monitoring
Top Forums Shell Programming and Scripting log monitoring Post 302435668 by agn on Thursday 8th of July 2010 01:10:34 AM
Old 07-08-2010
You could do a `wc -l` and use the output with tail to get the updated lines.

In bash
Code:
$ cat buf
1
2
3
$ wc -l buf
       3 buf
$ n=$(wc -l buf| awk '{ print $1}')
$ cat buf
1
2
3
4
5
6
$ tail +$(($n+1)) buf
4
5
6

 

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LEARN ABOUT DEBIAN

bioerror

bioerror(9F)						   Kernel Functions for Drivers 					      bioerror(9F)

NAME

       bioerror - indicate error in buffer header

SYNOPSIS

       #include <sys/types.h>
       #include <sys/buf.h>
       #include <sys/ddi.h>

       void bioerror(struct buf *bp, int error);

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI)

PARAMETERS

       bp	Pointer to the buf(9S) structure describing the transfer.

       error	Error number to be set, or zero to clear an error indication.

DESCRIPTION

       If  error  is  non-zero,  bioerror() indicates an error has occured in the buf(9S) structure. A subsequent call to geterror(9F) will return
       error.

       If error is  0, the error indication is cleared and a subsequent call to geterror(9F) will return  0.

CONTEXT

       bioerror() can be called from any context.

SEE ALSO

       strategy(9E), geterror(9F), getrbuf(9F), buf(9S)

SunOS 5.10							    26 May 1994 						      bioerror(9F)
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