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Top Forums Shell Programming and Scripting randomly shuffle two text files the same way Post 302551835 by adrunknarwhal on Wednesday 31st of August 2011 08:06:52 PM
Old 08-31-2011
randomly shuffle two text files the same way

What I have are two text files that I need to shuffle randomly, but I need the two files to be randomly shuffled the same way. I have heard of shuf but I do not know how to use it for two files. Maybe there is also an easy/simple awk command I do not know about that could handle this problem.

for example:
before shuffling
Code:
file 1:
one
two
three
four
five



file 2:
1
2
3
4
5

and after shuffling

Code:
file 1:
five
one
four
three
two


file 2:
5
1
4
3
2

As you can see the lines still match up across the two files (ofcourse this is just an example, I need the output to be random).

Last edited by adrunknarwhal; 08-31-2011 at 09:11 PM.. Reason: forgot to add something
 

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DBIx::Class::Storage::DBI::Replicated::Balancer::Random(User Contributed Perl DocumentDBIx::Class::Storage::DBI::Replicated::Balancer::Random(3pm)

NAME
DBIx::Class::Storage::DBI::Replicated::Balancer::Random - A 'random' Balancer SYNOPSIS
This class is used internally by DBIx::Class::Storage::DBI::Replicated. You shouldn't need to create instances of this class. DESCRIPTION
Given a pool (DBIx::Class::Storage::DBI::Replicated::Pool) of replicated database's (DBIx::Class::Storage::DBI::Replicated::Replicant), defines a method by which query load can be spread out across each replicant in the pool. This Balancer uses List::Util keyword 'shuffle' to randomly pick an active replicant from the associated pool. This may or may not be random enough for you, patches welcome. ATTRIBUTES
This class defines the following attributes. master_read_weight A number greater than 0 that specifies what weight to give the master when choosing which backend to execute a read query on. A value of 0, which is the default, does no reads from master, while a value of 1 gives it the same priority as any single replicant. For example: if you have 2 replicants, and a "master_read_weight" of 0.5, the chance of reading from master will be "20%". You can set it to a value higher than 1, making master have higher weight than any single replicant, if for example you have a very powerful master. METHODS
This class defines the following methods. next_storage Returns an active replicant at random. Please note that due to the nature of the word 'random' this means it's possible for a particular active replicant to be requested several times in a row. AUTHOR
John Napiorkowski <john.napiorkowski@takkle.com> LICENSE
You may distribute this code under the same terms as Perl itself. perl v5.14.2 2010-06-03 DBIx::Class::Storage::DBI::Replicated::Balancer::Random(3pm)
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