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Top Forums UNIX for Beginners Questions & Answers Awk: compare values in two columns of the same file Post 303037199 by RudiC on Thursday 25th of July 2019 01:06:39 PM
Old 07-25-2019
To avoid one logical test for every line in a file, this (based on Scrutinizer's proposal) might be interesting, too:


Code:
awk 'BEGIN {A[""]} NR==FNR{A[$1]; next} !($3 in A)' file file

This User Gave Thanks to RudiC For This Post:
 

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Prophet::Test(3pm)					User Contributed Perl Documentation					Prophet::Test(3pm)

   set_editor($code)
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       Returns a path on disk for where $username's replica is stored.

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       Returns a file:// URI for $USERNAME'S replica (with the correct replica type prefix).

   replica_uuid
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   database_uuid
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   replica_last_rev
       Returns the sequence number of the last change in the test replica.

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       Run this code block as $username.  This routine sets up the %ENV hash so that when we go looking for a repository, we get the user's repo.

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       The serialized version is a hash reference containing the following keys:
	   meta => { original_source_uuid => 'source_replica_uuid' }
	   records => { 'record_uuid' =>
			  { change_type => 'type',
			    props => { propchange_name => { source_old => 'old_val',
							    source_new => 'new_val',
							    target_old => 'target_val',
							  }
				     }
			  },
			'another_record_uuid' =>
			  { change_type => 'type',
			    props => { propchange_name => { source_old => 'old_val',
							    source_new => 'new_val',
							    target_old => 'target_val',
							  }
				     }
			  },
		      }

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