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Top Forums Shell Programming and Scripting Remove the duplicate content in a file Post 302843189 by ashokvpp on Monday 12th of August 2013 10:00:29 AM
Old 08-12-2013
Remove the duplicate content in a file

Here is the contents of test.txt

Code:
Dependencies Resolved
Changes in packages about to be updated:

ChangeLog for: 1:perl-Archive-Extract-0.38-131.el6_4.x86_64,

- Resolves: #915692 - CVE-2013-1667 (DoS in rehashing code)

Dependencies Resolved
Changes in packages about to be updated:

ChangeLog for: 1:perl-Archive-Extract-0.38-131.el6_4.x86_64,

- Resolves: #915692 - CVE-2013-1667 (DoS in rehashing code)

ChangeLog for: openldap-2.4.23-32.el6_4.1.x86_64
* Mon Apr 22 12:00:00 2013 Jan Synáček <jsynacek@redhat.com> 2.4.23-32.1
- fix: NSS related resource leak (#954299)

Expecting result like:

Code:
Dependencies Resolved
Changes in packages about to be updated:

ChangeLog for: 1:perl-Archive-Extract-0.38-131.el6_4.x86_64,

- Resolves: #915692 - CVE-2013-1667 (DoS in rehashing code)

ChangeLog for: openldap-2.4.23-32.el6_4.1.x86_64
* Mon Apr 22 12:00:00 2013 Jan Synáček <jsynacek@redhat.com> 2.4.23-32.1
- fix: NSS related resource leak (#954299)

Thanks

Last edited by ashokvpp; 08-12-2013 at 11:37 AM..
 
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Difficulty: Medium
The ZX81 had a base configuration of 1 KB of on-board memory that could officially be expanded externally to 64 KB.
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CPANPLUS::Internals::Extract(3) 			User Contributed Perl Documentation			   CPANPLUS::Internals::Extract(3)

NAME
CPANPLUS::Internals::Extract - internals for archive extraction SYNOPSIS
### for source files ### $self->_gunzip( file => 'foo.gz', output => 'blah.txt' ); ### for modules/packages ### $dir = $self->_extract( module => $modobj, extractdir => '/some/where' ); DESCRIPTION
CPANPLUS::Internals::Extract extracts compressed files for CPANPLUS. It can do this by either a pure perl solution (preferred) with the use of "Archive::Tar" and "Compress::Zlib", or with binaries, like "gzip" and "tar". The flow looks like this: $cb->_extract Delegate to Archive::Extract METHODS
$dir = _extract( module => $modobj, [perl => '/path/to/perl', extractdir => '/path/to/extract/to', prefer_bin => BOOL, verbose => BOOL, force => BOOL] ) "_extract" will take a module object and extract it to "extractdir" if provided, or the default location which is obtained from your config. The file name is obtained by looking at "$modobj->status->fetch" and will be parsed to see if it's a tar or zip archive. If it's a zip archive, "__unzip" will be called, otherwise "__untar" will be called. In the unlikely event the file is of neither format, an error will be thrown. "_extract" takes the following options: module A "CPANPLUS::Module" object. This is required. extractdir The directory to extract the archive to. By default this looks something like: /CPANPLUS_BASE/PERL_VERSION/BUILD/MODULE_NAME prefer_bin A flag indicating whether you prefer a pure perl solution, ie "Archive::Tar" or "Archive::Zip" respectively, or a binary solution like "unzip" and "tar". perl The path to the perl executable to use for any perl calls. Also used to determine the build version directory for extraction. verbose Specifies whether to be verbose or not. Defaults to your corresponding config entry. force Specifies whether to force the extraction or not. Defaults to your corresponding config entry. All other options are passed on verbatim to "__unzip" or "__untar". Returns the directory the file was extracted to on success and false on failure. perl v5.16.3 2013-05-20 CPANPLUS::Internals::Extract(3)

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