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Top Forums Shell Programming and Scripting Add current time stamp column in existing csv file Post 303010819 by RudiC on Monday 8th of January 2018 03:35:55 AM
Old 01-08-2018
If you REALLY need each line's timestamp, try
Code:
awk -F "," 'BEGIN{ OFS=","; cmd = "date '+%Y%m%d%H%M%S'"} {cmd | getline $6; close (cmd); print}' file
Hostname,IP-Address,Instance-status,Region,RHEL-version,20180108093456
local_host_001,110.22.66.100,running,AMER,7.2.3,20180108093456

 

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TRACE-CMD-STOP(1)														 TRACE-CMD-STOP(1)

NAME
trace-cmd-stop - stop the Ftrace Linux kernel tracer from writing to the ring buffer. SYNOPSIS
trace-cmd stop DESCRIPTION
The trace-cmd(1) stop is a complement to trace-cmd-start(1). This will disable Ftrace from writing to the ring buffer. This does not stop the overhead that the tracing may incur. Only the updating of the ring buffer is disabled, the Ftrace tracing may still be inducing overhead. After stopping the trace, the trace-cmd-extract(1) may strip out the data from the ring buffer and create a trace.dat file. The Ftrace pseudo file system may also be examined. To disable the tracing completely to remove the overhead it causes, use trace-cmd-reset(1). But after a reset is performed, the data that has been recorded is lost. SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1) AUTHOR
Written by Steven Rostedt, <rostedt@goodmis.org[1]> RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git COPYING
Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL). NOTES
1. rostedt@goodmis.org mailto:rostedt@goodmis.org 06/11/2014 TRACE-CMD-STOP(1)
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