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That's a simple one-liner if you don't need to maintain the input ordering:

C:\test>perl -anle"$h{ $F[1] } = $_; }{ print for values %h" 1/2/2013 cgoo nreuiheru 1/4/2013 doow reiqrqueih 1/5/2013 hellio ruieqrhfuepqh 1/20/2013 cgoo 3rhquh4ureyh 1/30/2013 yetil jerqohgqrij 2/13/2013 hellio rueqipheruh 2/14/2013 cgoo wehrig4r74378 ^Z 1/30/2013 yetil jerqohgqrij 1/4/2013 doow reiqrqueih 2/13/2013 hellio rueqipheruh 2/14/2013 cgoo wehrig4r74378

If you need to retain the ordering it is a little more complicated:

C:\test>perl -anle"$h{ $F[1] } = sprintf qq[%05u%s], $., $_; }{ print +substr $_, 5 for sort values %h" 1/2/2013 cgoo nreuiheru 1/4/2013 doow reiqrqueih 1/5/2013 hellio ruieqrhfuepqh 1/20/2013 cgoo 3rhquh4ureyh 1/30/2013 yetil jerqohgqrij 2/13/2013 hellio rueqipheruh 2/14/2013 cgoo wehrig4r74378 ^Z 1/4/2013 doow reiqrqueih 1/30/2013 yetil jerqohgqrij 2/13/2013 hellio rueqipheruh 2/14/2013 cgoo wehrig4r74378

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In reply to Re: Data managing problem by BrowserUk
in thread Data managing problem by manorhce

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