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Top Forums UNIX for Dummies Questions & Answers removing duplicate lines from a file Post 302104425 by ocelot on Thursday 25th of January 2007 06:03:52 AM
Old 01-25-2007
removing duplicate lines from a file

Hi,

I am trying to remove duplicate lines from a file. For example the contents of example.txt is:

this is a test
2342
this is a test
34343
this is a test
43434

and i want to remove the "this is a test" lines only and end up with the numbers in the file, that is, end up with:

2342
34343
43434

thanks
 

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App::Prove::State::Result(3pm)				 Perl Programmers Reference Guide			    App::Prove::State::Result(3pm)

NAME
App::Prove::State::Result - Individual test suite results. VERSION
Version 3.17 DESCRIPTION
The "prove" command supports a "--state" option that instructs it to store persistent state across runs. This module encapsulates the results for a single test suite run. SYNOPSIS
# Re-run failed tests $ prove --state=fail,save -rbv METHODS
Class Methods "new" my $result = App::Prove::State::Result->new({ generation => $generation, tests => \%tests, }); Returns a new "App::Prove::State::Result" instance. "state_version" Returns the current version of state storage. "test_class" Returns the name of the class used for tracking individual tests. This class should either subclass from "App::Prove::State::Result::Test" or provide an identical interface. "generation" Getter/setter for the "generation" of the test suite run. The first generation is 1 (one) and subsequent generations are 2, 3, etc. "last_run_time" Getter/setter for the time of the test suite run. "tests" Returns the tests for a given generation. This is a hashref or a hash, depending on context called. The keys to the hash are the individual test names and the value is a hashref with various interesting values. Each k/v pair might resemble something like this: 't/foo.t' => { elapsed => '0.0428488254547119', gen => '7', last_pass_time => '1219328376.07815', last_result => '0', last_run_time => '1219328376.07815', last_todo => '0', mtime => '1191708862', seq => '192', total_passes => '6', } "test" my $test = $result->test('t/customer/create.t'); Returns an individual "App::Prove::State::Result::Test" instance for the given test name (usually the filename). Will return a new "App::Prove::State::Result::Test" instance if the name is not found. "test_names" Returns an list of test names, sorted by run order. "remove" $result->remove($test_name); # remove the test my $test = $result->test($test_name); # fatal error Removes a given test from results. This is a no-op if the test name is not found. "num_tests" Returns the number of tests for a given test suite result. "raw" Returns a hashref of raw results, suitable for serialization by YAML. perl v5.12.1 2010-04-26 App::Prove::State::Result(3pm)
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