Unique items in a list

[Gintaras]

Create member function str.RemoveDuplicateLines and paste this code.

Code:

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function [flags] ;;flags: 1 case insensitive

;EXAMPLE
;str s=
;;apple
;;apple
;;orange
;;apple
;;grape
;;orange
;
;s.RemoveDuplicateLines


if(!this.end("[]")) this+"[]"

str s ss
int i j
for i 0 1000000000
,j=s.getl(this i)
,if(j<0) break
,ss.from("[]" s "[]")
,this.findreplace(ss "[]" 8|(flags&1) "" j+s.len)