hye sigh
thx for your work
but , there is something missing there (for me)

//echo -a $duplicate(text1 text2 text3,text3 text4 text5)
will return to text3 ¤ text4 text5 text1 text2
how to make the result will be like this
text3 ¤ text4 text5 text1 text2 %text3