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Top Forums UNIX for Beginners Questions & Answers How to change name of the file with first line of the file which has some unwanted text in it? Post 303030072 by Sekhar419 on Tuesday 5th of February 2019 06:05:17 PM
Old 02-05-2019
How to change name of the file with first line of the file which has some unwanted text in it?

I have a log file, which i have divided into 14 files using csplit, the file looks like below

Code:
test-000000
test-000001 #and so on until 14

now I want all the 14 files generated to be renamed as the some part of test in first line of the file how can i eliminate the unwanted text?

sample first line of the file looks like, all the files have similar format

Code:
0-00:01:01.412 <main>:[UNIT]:[info]:  Test: SCHEDULE_REQUEST_TestCase ...

I want to rename the file as SCHEDULE_REQUEST_TestCase.log
I know that mv command can be used to rename the file, and read or head can be used to read the first line of the file, but i want to remove the text before SCHEDULE and dots after TestCase.

This is what i have at the moment

Code:
line="$(head -n 1 test-000000)"
mv test-000000 ${line}.log

I want to perform this for all the files i have generated i don't really get how to do that and eliminate the unwanted text from the first line? I guess sed or awk can be used to eliminate the text I have started shell scripting like five days ago any help would be greatly appreciated.
 

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TestCase(3pm)						  LogReport's Lire Documentation					     TestCase(3pm)

NAME
Lire::Test::TestCase - Common base for Lire test cases. SYNOPSIS
use base qw/Lire::Test::TestCase/; sub set_up { my $self = shift->SUPER::set_up(); $self->{'cfg'}{'lr_schemas_path'} = [ $self->{'tmpdir'} ]; } DESCRIPTION
This package can be used to write test cases for Lire instead of inheriting directly from Test::Unit::TestCase. The default set_up method will create a Lire::Test::HashConfig object and set it up in the configuration framework. This makes it easy to set configuration variables to arbitrary values in the set_up() method. It also sets the LC_MESSAGES locale category to 'C'. If you override set_up() and tear_down() be sure to call the SUPER:: implementation. This subclass also defined a new kind of assertion which make sure that a snippet of code died with a proper error message. assert_died( $test, $regex, [ $msg ] ) Execute $test and fail unless it dies with a message matching $regex. $test should be a reference to CODE. $regex should be a Regexp ref. assert_dies( $regex, $test, [ $msg ] ) Like assert_died() but with a signature closer to the one defined in Test::Unit::Assert. assert_isa( $class, $instance, [ $msg ] ) Fails unless $instance is an instance of $class. FIXTURE RELATED METHOD
lire_default_config_spec() Returns a Lire::Config::ConfigSpec object initialized from the default Lire configuration specification. set_up_tz( $tz ) When you tests uses timelocal() or localtime(), you should use that method to specify the TZ under which it should run. The TZ will be reset to its previous value during tear_down(). set_up_plugin_mgr() This will make the global PluginManager an instance that will only live for the current test. The old PluginManager will be reinstated during tear_down(). This way, you do not need to track calls to register_plugin(). SEE ALSO
Test::Unit::TestCase(3pm) VERSION
$Id: TestCase.pm,v 1.17 2006/07/23 13:16:32 vanbaal Exp $ AUTHORS
Francis J. Lacoste <flacoste@logreport.org> COPYRIGHT
Copyright (C) 2003, 2004 Stichting LogReport Foundation LogReport@LogReport.org This file is part of Lire. Lire is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html. Lire 2.1.1 2006-07-23 TestCase(3pm)
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