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Top Forums Shell Programming and Scripting Editing a file using a script Post 37814 by Ypnos on Monday 30th of June 2003 09:09:06 AM
Old 06-30-2003
Hello again Smilie

Here's the deal, I have a file and it is of the following format:
Code:
HEAD     SOME DATA      123456789
LINE  DATA DATA DATA
LINE  DATA DATA DATA
LINE  DATA DATA DATA
HEAD     SOME DATA      999999999
LINE  DATA DATA DATA
LINE  DATA DATA DATA
LINE  DATA DATA DATA
HEAD     SOME DATA      555555555
LINE  DATA DATA DATA
LINE  DATA DATA DATA
LINE  DATA DATA DATA

Is there a script that will edit a file (which will be generated every night), take the number following 'HEAD' (see example) and add it to the start of every line which begins with the word LINE to make it look like this?
Code:
HEAD   SOME DATA        123456789
123456789 LINE  DATA DATA DATA
123456789 LINE  DATA DATA DATA
123456789 LINE  DATA DATA DATA
HEAD   SOME DATA        999999999
999999999 LINE  DATA DATA DATA
999999999 LINE  DATA DATA DATA
999999999 LINE  DATA DATA DATA
HEAD   SOME DATA        555555555
555555555 LINE  DATA DATA DATA
555555555 LINE  DATA DATA DATA
555555555 LINE  DATA DATA DATA

Thank you kindly Smilie

PS Everything in this file is fixed length and there are ALOT more fields that the example I use.
 

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TRACE-CMD-CHECK_EV(1)													     TRACE-CMD-CHECK_EV(1)

NAME
trace-cmd-check-events - parse the event formats on local system SYNOPSIS
trace-cmd check-events [OPTIONS] DESCRIPTION
The trace-cmd(1) check-events parses format strings for all the events on the local system. It returns whether all the format strings can be parsed correctly. It will load plugins unless specified otherwise. This is useful to check for any trace event format strings which may contain some internal kernel function references which cannot be decoded outside of the kernel. This may mean that either the unparsed format strings of the trace events need to be changed or that a plugin needs to be created to parse them. OPTIONS
-N - Don't load plugins SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1), trace-cmd-start(1) AUTHOR
Written by Vaibhav Nagarnaik, <vnagarnaik@google.com[1]> RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git COPYING
Copyright (C) 2011 Google, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL). NOTES
1. vnagarnaik@google.com mailto:vnagarnaik@google.com 06/11/2014 TRACE-CMD-CHECK_EV(1)
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