10-02-2008
As I understand your question, using Perl (and your sample data file) this code should do what you need:
#!/usr/bin/perl
my @array1;
my $key1;
open INPUT, "<datfile";
open OUTPUT, ">outfile";
while(<INPUT>)
{
chomp;
my @fields = split;
$key1 = $fields[0];
shift @fields;
my $x = join " ", @fields;
$array1{$key1} .= $x;
}
while ( ($key, $value) = each %array1)
{
print OUTPUT "$key $value\n";
}
close INPUT;
close OUTPUT;
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LEARN ABOUT PHP
array_uintersect
ARRAY_UINTERSECT(3) 1 ARRAY_UINTERSECT(3)
array_uintersect - Computes the intersection of arrays, compares data by a callback function
SYNOPSIS
array array_uintersect (array $array1, array $array2, [array $...], callable $value_compare_func)
DESCRIPTION
Computes the intersection of arrays, compares data by a callback function.
PARAMETERS
o $array1
- The first array.
o $array2
- The second array.
o $value_compare_func
- The comparison function must return an integer less than, equal to, or greater than zero if the first argument is considered to
be respectively less than, equal to, or greater than the second.
int callback (mixed $a, mixed $b)
RETURN VALUES
Returns an array containing all the values of $array1 that are present in all the arguments.
EXAMPLES
Example #1
array_uintersect(3) example
<?php
$array1 = array("a" => "green", "b" => "brown", "c" => "blue", "red");
$array2 = array("a" => "GREEN", "B" => "brown", "yellow", "red");
print_r(array_uintersect($array1, $array2, "strcasecmp"));
?>
The above example will output:
Array
(
[a] => green
[b] => brown
[0] => red
)
SEE ALSO
array_intersect(3), array_intersect_assoc(3), array_uintersect_assoc(3), array_uintersect_uassoc(3).
PHP Documentation Group ARRAY_UINTERSECT(3)