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Shell Programming and Scripting
Replacing a word after a matched pattern
Post 302204836 by maxmave on Thursday 12th of June 2008 03:54:04 PM
06-12-2008
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1. Shell Programming and Scripting
Hi ,
If I match a word in a file, I want to pick the next line of that matched word.
My file is a below format-
The ntrag trace has auditError
Line5005 contains transaction Ntrag data
------------
Here I wanted if I match a word auditError, I need to get the next line
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Hello everybody,
How can I start to print an output when a word hits the pattern space.
for example:
file.txt :
first line
second line
third line
fourth line
...
cat file.txt > function "second"
should print
second line
third line
fourth line
...
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Hello every,
I am stuck in a problem. I have file like this. I want to add the fifth field of the match pattern line above the lines starting with "# @D". The delimiter is "|"
eg
>
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Hi,
I have two files file1.txt and file2.txt. Please see the attachments.
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Hello all,
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Dear ALL,
I have sample file :
IDcentos-forum,bash,linuxCentOS,GNome
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centos,bash,linuxCentOS,GNome
fedora,cli,linuxRedhat,KDE
freebsd,aix,unixbsd,pyton
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LEARN ABOUT LINUX
shtool-subst
SHTOOL-SUBST.TMP(1) GNU Portable Shell Tool SHTOOL-SUBST.TMP(1) NAME
shtool-subst - GNU shtool sed(1) substitution operations SYNOPSIS
shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext] [-e|--exec cmd] [-f|--file cmd-file] [file] [file ...] DESCRIPTION
This command applies one or more sed(1) substitution operations to stdin or any number of files. OPTIONS
The following command line options are available. -v, --verbose Display some processing information. -t, --trace Enable the output of the essential shell commands which are executed. -n, --nop No operation mode. Actual execution of the essential shell commands which would be executed is suppressed. -w, --warning Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution operations resulted in no content change on all files. -q, --quiet Suppress warning on substitution operation resulting in no content change. -s, --stealth Stealth operation. Preserve timestamp on file. -i, --interactive Enter interactive mode where the user has to approve each operation. -b, --backup ext Preserve backup of original file using file name extension ext. Default is to overwrite the original file. -e, --exec cmd Specify sed(1) command directly. -f, --file cmd-file Read sed(1) command from file. EXAMPLE
# shell script shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch] # RPM spec-file %install shtool subst -v -n -e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g' -e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g' `find . -name Makefile -print` make install HISTORY
The GNU shtool subst command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 2001 for GNU shtool. It was prompted by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications. SEE ALSO
shtool(1), sed(1). 18-Jul-2008 shtool 2.0.8 SHTOOL-SUBST.TMP(1)