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Full Discussion: List all log records logged after $timestamp ?
Top Forums Shell Programming and Scripting List all log records logged after $timestamp ? Post 302325735 by Browser_ice on Tuesday 16th of June 2009 04:02:51 AM
Old 06-16-2009
Question List all log records logged after $timestamp ?
I am trying to find a way to list every records inside a file (usually a log file) that are present after a record mathing/greater-then a timestamp supplied by another script.

The timestamp can be anywhere inside the record and it is usually in the standard `date` format (will not look for other formats).

ex:
Tue Jun 16 03:47:58 EDT 2009

I thought of using awk (on client's AIX 4.2) with index(str,regex) but that function does not see any timestamps inside the records (copied code below from memory).

awk -F" " '{
WHICHPOS=index($0,"[A-Z][a-z][a-z] [A-Z][a-z][a-z] [0-3][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9] * 20[0-9][0-9]")

if ( WHICHPOS > 0) print WHICHPOS, NR, $0
}' /tmp/a_file


At first the * was producting verry odd results (was replaced by content of `ls *`). So I removed the " * 20[0-9][0-9]" part.

But then, it never sees any timestamp (I checked the file content).

I am beginning to wonder what kind of regular expression that index() can take.

Is there a timestamp pattern available in regular expressions ?
 

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LEARN ABOUT OSF1

xmgetdragcontext

XmGetDragContext(3X)													      XmGetDragContext(3X)

NAME

       XmGetDragContext - A Drag and Drop function that retrieves the DragContext widget ID associated with a timestamp

SYNOPSIS

       #include <Xm/DragC.h>

       Widget XmGetDragContext (refwidget, timestamp)
	       Widget refwidget;
	       Time timestamp;

DESCRIPTION

       XmGetDragContext returns the widget ID of the active DragContext associated with a given display and timestamp.	A timestamp uniquely iden-
       tifies which DragContext is active when more than one drag and drop transaction has been initiated on a display.  If  the  specified  time-
       stamp  matches  a  timestamp  processed between the start and finish of a single drag and drop transaction, the function returns the corre-
       sponding DragContext ID.  Specifies the ID of the widget that the routine uses to identify the intended display.  The function returns  the
       ID of the DragContext associated with the display value passed by this widget.  Specifies a timestamp.

       For a complete definition of DragContext and its associated resources, see XmDragContext(3X).

RETURN VALUE

       Returns	the  ID of the DragContext widget that is active for the specified timestamp.  Otherwise, returns NULL if no active DragContext is
       found.

SEE ALSO

       XmDragContext(3X)

															      XmGetDragContext(3X)
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