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Full Discussion: Compare arrays (perl)
Top Forums Shell Programming and Scripting Compare arrays (perl) Post 302381764 by radoulov on Sunday 20th of December 2009 12:13:39 PM
Old 12-20-2009
Quote:
Originally Posted by mjoh
radulov:

I want to compare the 12 rows with one independent row, to see how many numbers that match in each row with the independent row.
[...]

You can use something like this:


Code:
#!/usr/bin/perl

use warnings;
use strict;

my @indi_numbers = ( 16, 35, 11, 30, 8, 9 );

open my $infile, '<', shift or die "open: $!\n";

while (<$infile>) {
    my %uniq;
    $uniq{$_} = 1 for split;
    my @matching = grep $uniq{$_}, @indi_numbers;
    print @matching ? ( ~~@matching, " matches : @matching " ) : "no matches ",
      "on line $.\n";
}

For example:


input data (infile)

Code:
16 6 21 4 45 13 30 
10 41 15 47 48 37 9 
19 16 5 33 29 14 8 
0 11 35 28 17 2 27 
39 17 39 22 12 48 23 
40 20 19 44 5 43 11

Output:

Code:
$ ./s infile
2 matches : 16 30 on line 1
1 matches : 9 on line 2
2 matches : 16 8 on line 3
2 matches : 35 11 on line 4
no matches on line 5
1 matches : 11 on line 6

 

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MSQL_FETCH_OBJECT(3)													      MSQL_FETCH_OBJECT(3)

msql_fetch_object - Fetch row as object

SYNOPSIS
object msql_fetch_object (resource $result) DESCRIPTION
msql_fetch_object(3) is similar to msql_fetch_array(3), with one difference - an object is returned, instead of an array. Indirectly, that means that you can only access the data by the field names, and not by their offsets (numbers are illegal property names). Speed-wise, the function is identical to msql_fetch_array(3), and almost as quick as msql_fetch_row(3) (the difference is insignificant). PARAMETERS
o $ result -The result resource that is being evaluated. This result comes from a call to msql_query(3). RETURN VALUES
Returns an object with properties that correspond to the fetched row, or FALSE if there are no more rows. EXAMPLES
Example #1 msql_fetch_object(3) example <?php $con = msql_connect(); if (!$con) { die('Server connection problem: ' . msql_error()); } if (!msql_select_db('test', $con)) { die('Database connection problem: ' . msql_error()); } $result = msql_query('SELECT id, name FROM people', $con); if (!$result) { die('Query execution problem: ' . msql_error()); } while ($row = msql_fetch_object($result, MSQL_ASSOC)) { echo $row->id . ': ' . $row->name . " "; } msql_free_result($result); ?> CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.0.4 | | | | | | | A bug was fixed when retrieving data from col- | | | umns containing NULL values. Such columns were | | | not placed into the resulting array. | | | | +--------+---------------------------------------------------+ SEE ALSO
msql_fetch_array(3), msql_fetch_row(3), msql_data_seek(3), msql_result(3). PHP Documentation Group MSQL_FETCH_OBJECT(3)
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