Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Search and Substitute from 2 files

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Search and Substitute from 2 files
# 8  
Old 04-09-2009
To print only the lines that don't match:

Code:
awk 'NR==FNR{a[substr($0,1,4)]=substr($0,5);next}
!(substr($0,5,4) in a)
' fileb filea

Or in 2 files "match" and "nomatch":

Code:
awk 'NR==FNR{a[substr($0,1,4)]=substr($0,5);next}
substr($0,5,4) in a {print substr($0,1,4) a[substr($0,5,4)] substr($0,9);next}
{print $0 > "nomatch"}
' fileb filea > "match"

Regards
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Substitute one line of multiple files according to another file

I need to make ~96 configure files from a template config file which has hundreds of rows that looks like: template.config: #average insert size avg_ins=1000 ...... other information omitted Those config files are named in sequence from S01.config, S02.config, ... etc with different... (11 Replies)
Discussion started by: yifangt
11 Replies

2. UNIX for Dummies Questions & Answers

Partial match in two files then substitute

Hi, I was trying to figure this out but failed so I hope someone here can help me, thank you in advance. I have two files. file1: aa M bb N cc O dd P ee Q file2: aa A_87_P254063 cc A_87_P016532 bb A_87_P104793 dd A_87_P055331 ee A_87_P059706 aa A_87_P071636 ee A_87_P028302... (2 Replies)
Discussion started by: yuejian
2 Replies

3. Shell Programming and Scripting

search information in multiple files and save in new files

hi everyone, im stuck in here with shell :) can you help me?? i have a directory with alot files (genbank files ... all ended in .gbk ) more than 1000 for sure ... and i want to read each one of them and search for some information and if i found the right one i save in new file with new... (6 Replies)
Discussion started by: andreia
6 Replies

4. Shell Programming and Scripting

search for content in files. Name of files is in another file. Format as report.

Hi I have multiple files in a folder and one file which contains a list of files (one on each line). I was to search for a string only within these files and not the whole folder. I need the output to be in the form File1<tab>string instance 2<tab> string instance 2<tab>string instance 3... (6 Replies)
Discussion started by: pkabali
6 Replies

5. Shell Programming and Scripting

HELP WITH SEARCH AND SUBSTITUTE IN "|" DELIMITED FILE

Hi I have a "|" delimited file as shown below. 55987|2011-04-07|09:30: 8.0|09:30:27.4|9194 55988|2011-04 07|09:30:21.0|09:30:27.4|9199 55989|2011-04-07|09:30:25.0|09:30:27.5|9176 55990|2011-04-07|09:29:33.0|09:30:27.5|9196 55991|2011-04-07|09:30:21.0|09:30:27.5|9199... (3 Replies)
Discussion started by: alok3141
3 Replies

6. Shell Programming and Scripting

How to access files from different directories and to perform search action in those files?

Hi, I want to access files from different directories (for example: /home/dir1/file1 , /home/dir2/file2 ...) Like this i have to access these files(file1, file2...). (3 Replies)
Discussion started by: bangarukannan
3 Replies

7. SuSE

Search all files based on first and in all listed files search the second patterns

Hello Linux Masters, I am not a linux expert therefore i need help from linux gurus. Well i have a requirement where i need to search all files based on first patterns and after seraching all files then serach second pattern in all files which i have extracted based on first pattern.... (1 Reply)
Discussion started by: Black-Linux
1 Replies

8. Shell Programming and Scripting

sed doubt - search and substitute string from variable.

hi, trying to learn more abt sed :( i want to substitute a variable(a) with other variable(b) appended. Read.txt contains: home/test2/abc home/test/root1 input.txt contains: make test "home/test1/none"version="1.3" wt's wrong test "home/test2/abc"version="1.0" make save... (9 Replies)
Discussion started by: dragon.1431
9 Replies

9. UNIX for Dummies Questions & Answers

Trouble with search and substitute

Hi there, I have a file with 1800+ lines and all are something like this: drwx--x--x 12960 4096 Oct 6 2006 palfvoet drwx--x--x 67205 4096 May 9 05:21 pallsopp drwx--x--x palmgren 4096 Oct 6 2006 palmgren now, as you... (3 Replies)
Discussion started by: besgal
3 Replies

10. UNIX for Advanced & Expert Users

Search files with specfic extention and later search content

Hi, I would appriciate if somebody can help me figure out how to search for all the *.xml file under a specific directory and subdirectroies (/home/username) and later search of content "<start>" inside the xml file returned by search. -Lovin.V (2 Replies)
Discussion started by: lovi_v
2 Replies
Login or Register to Ask a Question

LEARN ABOUT OSX

replace

REPLACE(1)						       MySQL Database System							REPLACE(1)

NAME

       replace - a string-replacement utility

SYNOPSIS

       replace arguments

DESCRIPTION

       The replace utility program changes strings in place in files or on the standard input.

	   Note
	   The replace utility is deprecated as of MySQL 5.7.18 and is removed in MySQL 8.0.

       Invoke replace in one of the following ways:

	   shell> replace from to [from to] ... -- file_name [file_name] ...
	   shell> replace from to [from to] ... < file_name

       from represents a string to look for and to represents its replacement. There can be one or more pairs of strings.

       Use the -- option to indicate where the string-replacement list ends and the file names begin. In this case, any file named on the command
       line is modified in place, so you may want to make a copy of the original before converting it.	replace prints a message indicating which
       of the input files it actually modifies.

       If the -- option is not given, replace reads the standard input and writes to the standard output.

       replace uses a finite state machine to match longer strings first. It can be used to swap strings. For example, the following command swaps
       a and b in the given files, file1 and file2:

	   shell> replace a b b a -- file1 file2 ...

       replace supports the following options.

       o   -?, -I

	   Display a help message and exit.

       o   -#debug_options

	   Enable debugging.

       o   -s

	   Silent mode. Print less information what the program does.

       o   -v

	   Verbose mode. Print more information about what the program does.

       o   -V

	   Display version information and exit.

COPYRIGHT

       Copyright (C) 1997, 2018, Oracle and/or its affiliates. All rights reserved.

       This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
       published by the Free Software Foundation; version 2 of the License.

       This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.

SEE ALSO

       For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
       at http://dev.mysql.com/doc/.

AUTHOR

       Oracle Corporation (http://dev.mysql.com/).

MySQL 5.7							    06/07/2018								REPLACE(1)