On Thu, Jun 28, 2012 at 4:44 PM, John W. Krahn <jwkr...@shaw.ca> wrote:
> lina wrote:
>>
>> Hi,
>
>
> Hello,
>
>
>> I have some data like:
>>
>> 0.35 3.41 1
>> 0.35 4.24 1
>> 0.35 4.35 2
>> 0.36 0.36 1
>> 0.36 1.32 1
>> 0.36 1.45 1
>> 0.36 1.46 1
>>
>>
>> wish the output look like
>>
>> 0.36 1.32 1.45 1.46 3.41 4.24 4.35
>> 0.35 0 0 0 0 1 1 2
>> 0.36 1 1 1 1 0 0 0
>
>
>
> $ echo "0.35 3.41 1
>
> 0.35 4.24 1
> 0.35 4.35 2
> 0.36 0.36 1
> 0.36 1.32 1
> 0.36 1.45 1
> 0.36 1.46 1" | perl -e'
>
> my ( @columns, %data );
> while ( <> ) {
> my ( $row, $col, $val ) = split;
> $data{ $row }{ $col } = $val;
> push @columns, $col;
> }
>
> @columns = sort { $a <=> $b } @columns;
suppose there are duplications in the @columns, the data much more like:
0.35 1.32 3
0.35 4.35 2
0.36 0.36 1
0.36 1.32 1
0.36 1.45 1
0.36 1.46 1
How can I remove the duplications, uniq them?
Thanks with best regards,
>
> print " @columns\n";
> for my $row ( sort { $a <=> $b } keys %data ) {
> print join( " ", $row, map $_ ? " $_" : " 0", @{ $data{ $row } }{
> @columns } ), "\n";
>
> }
> '
> 0.36 1.32 1.45 1.46 3.41 4.24 4.35
> 0.35 0 0 0 0 1 1 2
> 0.36 1 1 1 1 0 0 0
>
>
>
> John
> --
> Any intelligent fool can make things bigger and
> more complex... It takes a touch of genius -
> and a lot of courage to move in the opposite
> direction. -- Albert Einstein
>
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