Sorting Dates

[archulu]

how to sort the date forms in assending or decending order.
i.e
I/p
12/01/2007
23/05/1998
15/12/2006
21/08/1986
i want to input like in sorting order
i.e 21/08/1986
23/05/1998
15/12/2006
12/01/2007
plz help to me

[KevinADC]

what have you tried so far?

[miller]

A technique for sorting data based off of a secondary key:

http://en.wikipedia.org/wiki/Schwartzian_transform

- Miller

[docsnyder]

@archulu

Try this:

@dates = (
  "12/01/2007",
  "23/05/1998",
  "15/12/2006",
  "05/12/2006",
  "21/08/1986",
);

@dates = map { $_->[0] } sort(map { [ $_, reverse(split('/', $_)) ] } @dates);

map { print $_."\n" } @dates;

Greetz, Doc