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UNIX for Beginners Questions & Answers
Extract lines if string found from last 30 min only
Post 303030514 by rockstar on Tuesday 12th of February 2019 08:50:52 AM
02-12-2019
Code:
#!/bin/bash to=`date +"<%b%_d, %Y,%l:%M:%S,%3N %p %Z>"` let from_in_seconds=`date +%s`-5000 from=`date -d @$from_in_seconds +"<%b%_d, %Y,%l:%M:%S,%3N %p %Z>"` awk '$0>=from && $0<=to' from="$from" to="$to" file.log
Code:
$date +"<%b%_d, %Y,%l:%M:%S,%3N %p %Z>" <Feb12, 2019, 1:36:55,448 PM UTC>
below string provide the dates past 30 minutes but while using it in awk it won;t work.
Code:
date --date='30 minutes ago' -u '+%b%_d, %Y, %T,%3N %p %Z' Feb12, 2019, 13:13:03,306 PM UTC
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--- Post updated at 01:50 PM ---
yes, <data> keep logging from the application regularly day and night in ascending order. Although, I am least concerned about the avoiding the date format (2019-02-12T12:26:59.842+0000: 45.152) but would like to have lines pulled when string matches that are from last 30 minutes only which has below date format.
<Feb 12, 2019, 12:26:54,974 PM UTC>
Last edited by RudiC; 02-12-2019 at 09:45 AM.. Reason: Added CODE tags.
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LEARN ABOUT DEBIAN
px_date2string
PX_DATE2STRING(3) Library Functions Manual PX_DATE2STRING(3) NAME
PX_date2string -- Convert paradox date into formated string SYNOPSIS
#include <paradox.h> char * PX_date2string(pxdoc_t *pxdoc, long date, const char *format) DESCRIPTION
Creates a string representation of a paradox date as specified in the parameter format. The date must be either retrieved with PX_get_data_long(3) after calling PX_get_record(3) or by simply using the long value in the pxval_t struct as returned by PX_retrieve_record(3). The function uses internally the PX_timestamp2string(3) function. The format string may contain all chars as docu- mented with PX_timestamp2string(3), though only those concerning the date will produce resonable results. RETURN VALUE
Returns pointer to string on success and NULL on failure. SEE ALSO
PX_timestamp2string(3), PX_time2string(3) AUTHOR
This manual page was written by Uwe Steinmann uwe@steinmann.cx. PX_DATE2STRING(3)