That is known simply as a sort

perlintro, String comparison, Simple matching

http://learn.perl.org/faq/perlfaq4.html#How-do-I-sort-an-array-by-anything-, http://perldoc.perl.org/perlfaq4.html#How-do-I-sort-an-array-by-%28anything%29%3f

gmtime/localtime/Time::Piece (strptime/strftime)/POSIX::strftime

In reply to Re: Date plus Time sort from file by Anonymous Monk
in thread Date plus Time sort from file by sidsinha

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