Find and Replace Different Lines


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Find and Replace Different Lines
# 8  
Old 12-23-2011
I don't believe you can overwrite the original file without causing a problem. Although this did work for me:

Code:
{print > FILENAME}

But to be safe, you can move the new file to the old file after awk has finished. So after the print block append:

Code:
END{system("mv "FILENAME".new "FILENAME)}

So for your code:
Code:
grep -l "$DRIVE_SERIAL" ./* | xargs awk -v new_drive_path=$DRIVE_PATH '/DRIVES/{a=NR+1}
 a==NR{$0="        "new_drive_path}{print > FILENAME".new"}END{system("mv "FILENAME".new "FILENAME)}'

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Script using awk to find and replace a line, how to ignore comment lines

Hello, I have some code that works more or less. This is called by a make file to adjust some hard-coded definitions in the src code. The script generated some values by looking at some of the src files and then writes those values to specific locations in other files. The awk code is used to... (3 Replies)
Discussion started by: LMHmedchem
3 Replies

2. Shell Programming and Scripting

Shell Script @ Find a key word and If the key word matches then replace next 7 lines only

Hi All, I have a XML file which is looks like as below. <<please see the attachment >> <?xml version="1.0" encoding="UTF-8"?> <esites> <esite> <name>XXX.com</name> <storeId>10001</storeId> <module> ... (4 Replies)
Discussion started by: Rajeev_hbk
4 Replies

3. Shell Programming and Scripting

Shell Script to find common lines and replace next line

I want to find common line in two files and replace the next line of first file with the next line of second file. (sed,awk,perl,bash any solution is welcomed ) Case Ignored. Multiple Occurrence of same line. File 1: hgacdavd sndm,ACNMSDC msgid "Rome" msgstr "" kgcksdcgfkdsb... (4 Replies)
Discussion started by: madira
4 Replies

4. Shell Programming and Scripting

Script to find & replace a multiple lines string across multiple php files and subdirectories

Hey guys. I know pratically 0 about Linux, so could anyone please give me instructions on how to accomplish this ? The distro is RedHat 4.1.2 and i need to find and replace a multiple lines string in several php files across subdirectories. So lets say im at root/dir1/dir2/ , when i execute... (12 Replies)
Discussion started by: spfc_dmt
12 Replies

5. Shell Programming and Scripting

Find and replace multiple lines

I have a section of text in file A, see below # falkdjf lkjadf lkjadf lkajdf lkajdf lkajdf lkjadf lkjadf 234.234.2.234 lkjlkjlk 234.234.3.234 # Only the first line with "# falkdjf lkjadf lkjadf" is unique in the file. The new section that I want to overwrite the old section above is in... (1 Reply)
Discussion started by: jyang72211
1 Replies

6. Shell Programming and Scripting

search and replace, when found, delete multiple lines, add new set of lines?

hey guys, I tried searching but most 'search and replace' questions are related to one liners. Say I have a file to be replaced that has the following: $ cat testing.txt TESTING AAA BBB CCC DDD EEE FFF GGG HHH ENDTESTING This is the input file: (3 Replies)
Discussion started by: DeuceLee
3 Replies

7. Shell Programming and Scripting

Perl XML, find matching condition and grep lines and put the lines somewhere else

Hi, my xml files looks something like this <Instance Name="New York"> <Description></Description> <Instance Name="A"> <Description></Description> <PropertyValue Key="false" Name="Building A" /> </Instance> <Instance Name="B"> ... (4 Replies)
Discussion started by: tententen
4 Replies

8. Shell Programming and Scripting

Find 5 lines and replace with 18 line in sql file where it contains multiple blocks.

My sql file xyz_abc.sql in this file there are multiple sql block in this block I need to find the following block rem Subset Rows (&&tempName.*) CREATE VIEW &&tempName.* AS SELECT * FROM &&tempName.* WHERE f is not null and replace with following code rem Subset Rows... (9 Replies)
Discussion started by: Zaheer.mic
9 Replies

9. Shell Programming and Scripting

find and replace three lines in files?

Hello, i usually use this for one tag or line: find . -type f -exec replace "whatever goes here" "" -- {} \; but i want to replace three lines in a file for example this: <script language=javascript>< ... (1 Reply)
Discussion started by: Bashar
1 Replies

10. Shell Programming and Scripting

sed find and replace multiple lines

I am new to linux and would like to modify the contents of a file preferably using a one line. The situation is as follows <start> some lines "I am the string" "replace string" more lines here <end> In the above example,On encountering "I am the string", the "replace string "should be... (6 Replies)
Discussion started by: supersimha
6 Replies
Login or Register to Ask a Question
File::Find::Rule::VCS(3pm)				User Contributed Perl Documentation				File::Find::Rule::VCS(3pm)

NAME
File::Find::Rule::VCS - Exclude files/directories for Version Control Systems SYNOPSIS
use File::Find::Rule (); use File::Find::Rule::VCS (); # Find all files smaller than 10k, ignoring version control files my @files = File::Find::Rule->ignore_vcs ->file ->size('<10Ki') ->in( $dir ); DESCRIPTION
Many tools need to be equally useful both on ordinary files, and on code that has been checked out from revision control systems. File::Find::Rule::VCS provides quick and convenient methods to exclude the version control directories of several major Version Control Systems (currently CVS, subversion, and Bazaar). File::Find::Rule::VCS implements methods to ignore the following: CVS Subversion Bazaar In addition, the following version control systems do not create directories in the checkout and do not require the use of any ignore methods SVK Git METHODS
ignore_vcs # Ignore all common version control systems $find->ignore_vcs; # Ignore a specific named version control systems $find->ignore_vcs($name); # Ignore nothing (silent pass-through) $find->ignore_vcs(''); The "ignore_vcs" method excludes the files for a named Version Control System from your File::Find::Rule search. If passed, the name of the version control system is case in-sensitive. Names currently supported are 'cvs', 'svn', 'subversion', 'bzr', and 'bazaar'. As a convenience for high-level APIs, if the VCS name is the defined null string '' then the call will be treated as a nullop. If no params at all are passed, this method will ignore all supported version control systems. If ignoring every version control system, please note that any legitimate directories called "CVS" or files starting with .# will be ignored, which is not always desirable. In widely-distributed code, you instead should try to detect the specific version control system used and call ignore_vcs with the specific name. Passing "undef", or an unsupported name, will throw an exception. ignore_cvs The "ignore_cvs" method excluding all CVS directories from your File::Find::Rule search. It will also exclude all the files left around by CVS after an automated merge that start with '.#' (dot-hash). ignore_rcs The "ignore_rcs" method excluding all RCS directories from your File::Find::Rule search. It will also exclude all the files used by RCS to store the revisions (end with ',v'). ignore_svn The "ignore_svn" method excluding all Subversion (".svn") directories from your File::Find::Rule search. ignore_bzr The "ignore_bzr" method excluding all Bazaar (".bzr") directories from your File::Find::Rule search. ignore_git The "ignore_git" method excluding all Git (".git") directories from your File::Find::Rule search. ignore_hg The "ignore_hg" method excluding all Mercurial/Hg (".hg") directories from your File::Find::Rule search. TO DO
- Add support for other version control systems. - Add other useful VCS-related methods SUPPORT
Bugs should always be submitted via the CPAN bug tracker <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=File-Find-Rule-VCS> For other issues, contact the maintainer AUTHOR
Adam Kennedy <adamk@cpan.org> SEE ALSO
<http://ali.as/>, File::Find::Rule COPYRIGHT
Copyright 2005 - 2010 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.10.1 2010-10-06 File::Find::Rule::VCS(3pm)