Array - Replace elements or replace matched words in linux shell array

In this article we can learn how to replace elements,words,characters in linux bash shell arrays.

usage:
echo ${array[@]//substring/replacedstring}

example1) Remove 'ltc' then replace 'bch':

1e.g:
2 arrayNames=( btc eos eth usdt ltc)
3 echo ${arrayNames[@]//ltc/bch}

example2) Remove 't' then replace '0':

1e.g:
2 arrayNames=( btc eos eth usdt ltc)
3 echo ${arrayNames[@]//t/o}

HelpfulLinks:

• https://www.tecmint.com/working-with-arrays-in-linux-shell-scripting/
• https://www.tutorialspoint.com/unix/unix-using-arrays.htm
• https://stackoverflow.com/questions/1878882/arrays-in-unix-shell