Help with AWK - Compare a field in a file to lookup file and substitute if only a match
I have the below 2 files:
1) Third field from file1.txt should be compared to the first field of lookup.txt.
2) If match found then third field, file1.txt should be substituted with the second field from lookup.txt.
3)Else just print the line from file1.txt.
File1.txt:
lookup.txt :
Output file:
I tried giving this command, it returns only the matching values from File1.txt. Can someone help? ---------- Post updated at 01:21 PM ---------- Previous update was at 01:06 PM ----------
The above post,from user ahamed101 provides a solution
Last edited by Scrutinizer; 10-08-2012 at 04:47 PM..
Reason: code tags
First, thanks for the help in previous posts... couldn't have gotten where I am now without it!
So here is what I have, I use AWK to match $1 and $2 as 1 string in file1 to $1 and $2 as 1 string in file2. Now I'm wondering if I can extend this AWK command to incorporate the following:
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Hi,
I appreciate all who have been very helpful to me in providing valuable suggestions and replies.
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Content file:
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Hi All,
I don't know how to fast do this field replace that need lookup from another file to form the update result:confused:
I want to do it by general shell script
Can anyone help to solve it ? Thanks for your kindly reply in advance.
CK (0 Replies)
Hi,
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1.
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awk
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file1
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Discussion started by: jvoot
1 Replies
LEARN ABOUT SUSE
pod::text::overstrike
Pod::Text::Overstrike(3pm) Perl Programmers Reference Guide Pod::Text::Overstrike(3pm)NAME
Pod::Text::Overstrike - Convert POD data to formatted overstrike text
SYNOPSIS
use Pod::Text::Overstrike;
my $parser = Pod::Text::Overstrike->new (sentence => 0, width => 78);
# Read POD from STDIN and write to STDOUT.
$parser->parse_from_filehandle;
# Read POD from file.pod and write to file.txt.
$parser->parse_from_file ('file.pod', 'file.txt');
DESCRIPTION
Pod::Text::Overstrike is a simple subclass of Pod::Text that highlights output text using overstrike sequences, in a manner similar to
nroff. Characters in bold text are overstruck (character, backspace, character) and characters in underlined text are converted to
overstruck underscores (underscore, backspace, character). This format was originally designed for hard-copy terminals and/or line
printers, yet is readable on soft-copy (CRT) terminals.
Overstruck text is best viewed by page-at-a-time programs that take advantage of the terminal's stand-out and underline capabilities, such
as the less program on Unix.
Apart from the overstrike, it in all ways functions like Pod::Text. See Pod::Text for details and available options.
BUGS
Currently, the outermost formatting instruction wins, so for example underlined text inside a region of bold text is displayed as simply
bold. There may be some better approach possible.
SEE ALSO
Pod::Text, Pod::Simple
The current version of this module is always available from its web site at <http://www.eyrie.org/~eagle/software/podlators/>. It is also
part of the Perl core distribution as of 5.6.0.
AUTHOR
Joe Smith <Joe.Smith@inwap.com>, using the framework created by Russ Allbery <rra@stanford.edu>.
COPYRIGHT AND LICENSE
Copyright 2000 by Joe Smith <Joe.Smith@inwap.com>. Copyright 2001, 2004, 2008 by Russ Allbery <rra@stanford.edu>.
This program is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.1 2010-04-26 Pod::Text::Overstrike(3pm)