> On Feb 9, 2016, at 6:08 AM, James Kerwin <jkerwin2...@gmail.com> wrote: > > Afternoon all, > > I have the following problem: > > I have an array containing a list of non-unique strings. eg: > > @array Contains: > > 111111_ > 222222_ > 333333_ > 333333_ > 333333_ > 444444_ > 444444_ > 555555_ > > What I would like to do is number each element of the array to look as > follows: > > 111111_1 > 222222_1 > 333333_1 > 333333_2 > 333333_3 > 444444_1 > 444444_2 > 555555_1 > > I have so far tried to use "exists", while loops and all the usual stuff as > it seemed very simple at first. My attempts have mostly focused on equating > the current element of the array with the previous one and asking if they are > equal and then taking action. I just can't get the logic right though. I keep > getting them all numbered sequentially from 1 to 10 or they all end in "_2" > or alternating "_1" and "_2" If anybody could shed even the smallest glimmer > of light on how to solve this I'd be really grateful.
You should define a hash with the strings as keys and the number of strings encountered in the array so far as the hash value. You can then add the number to each string as you iterate over the array and increment the hash value count. Jim Gibson j...@gibson.org -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
