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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Remove-duplicate-elements/REXX/remove-duplicate-elements-1.rexx Normal file
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/*REXX program removes any duplicate elements (items) that are in a list (using a hash).*/
$= '2 3 5 7 11 13 17 19 cats 222 -100.2 +11 1.1 +7 7. 7 5 5 3 2 0 4.4 2' /*item list.*/
say 'original list:' $
say right( words($), 17, '─') 'words in the original list.'
z=; @.= /*initialize the NEW list & index list.*/
do j=1 for words($); y= word($, j) /*process the words (items) in the list*/
if @.y=='' then z= z y; @.y= . /*Not duplicated? Add to Z list,@ array*/
end /*j*/
say
say 'modified list:' space(z) /*stick a fork in it, we're all done. */
say right( words(z), 17, '─') 'words in the modified list.'