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Shell Programming and Scripting
Find a string in textfile, erase $num lines after that string
Post 302452142 by ilcsfe on Thursday 9th of September 2010 11:02:25 AM
09-09-2010
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Hi all. HPUX - /bin/sh (posix)
I am parsing a 3 field flat file, space deliminted
example data.file
acct dining mem
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I am trying to create a script to search for a string within a file, and if found, return the next two lines.
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msj
mh
query
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Hi friends,
I am looking for a line to find a particular string in my file and once found then replace with 2-3 blank lines before the string
Example:
aaa 11 bbb
1
2
3
aaa 22 bbb
4
5
6
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Hi Guys,
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5. Shell Programming and Scripting
I am parsing a nagios config, searching for a string, and then printing the line 2 lines later (the "members" string). Here's the data:
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I have a file with the below format,
GS*8*****
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A*
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E*
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GE**
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What's the easiest way to search a file for a specific string and then look for other instances after that? I want to search for all Virtual Hosts and print out the Server Name and Document Root (if it has that info), while discarding the rest of the info.
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Can someone tell me how I can do this?
e.g:
a=$(echo -e wert trewt ertert ertert ertert erttert
erterte
rterter
tertertert
ert)
How do i replace the STRING with $a?
I try this:
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Ok I would like to do the following
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LEARN ABOUT X11R4
perlfreebsd
PERLFREEBSD(1) Perl Programmers Reference Guide PERLFREEBSD(1) NAME
README.freebsd - Perl version 5 on FreeBSD systems DESCRIPTION
This document describes various features of FreeBSD that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs. FreeBSD core dumps from readdir_r with ithreads When perl is configured to use ithreads, it will use re-entrant library calls in preference to non-re-entrant versions. There is a bug in FreeBSD's "readdir_r" function in versions 4.5 and earlier that can cause a SEGV when reading large directories. A patch for FreeBSD libc is available (see http://www.freebsd.org/cgi/query-pr.cgi?pr=misc/30631 ) which has been integrated into FreeBSD 4.6. $^X doesn't always contain a full path in FreeBSD perl 5.8.0 sets $^X where possible to a full path by asking the operating system. On FreeBSD the full path of the perl interpreter is found by reading the symlink /proc/curproc/file. There is a bug on FreeBSD, where the result of reading this symlink is can be wrong in certain circumstances (see http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 ). In these cases perl will fall back to the old behaviour of using C's argv[0] value for $^X. Perl will no longer be part of "base FreeBSD" Not as bad as it sounds--what this means is that Perl will no longer be part of the kernel build system of FreeBSD. Perl will still very probably be part of the "default install", and in any case the latest version will be in the ports system. The first FreeBSD version this change will affect is 5.0, all 4.n versions will keep the status quo. AUTHOR
Nicholas Clark <nick@ccl4.org>, collating wisdom supplied by Slaven Rezic and Tim Bunce. Please report any errors, updates, or suggestions to perlbug@perl.org. perl v5.8.9 2007-11-17 PERLFREEBSD(1)