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Ingy döt Net 2013-04-10 23:57:08 -07:00
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commit b83f433714
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Task/Remove-duplicate-elements/AWK/remove-duplicate-elements.awk Normal file
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$ awk 'BEGIN{split("a b c d c b a",a);for(i in a)b[a[i]]=1;r="";for(i in b)r=r" "i;print r}'
a b c d