How do I replace : characters with newline?

Question

I looked at a very similar question but was unable to resolve the issue Replace comma with newline in sed

I am trying to convert : characters in a strin

Answer 1

echo 'this:is:a:test' | tr : \\n

Any POSIX-compliant tr will support the \n escape sequence. You need to take care to quote or escape the escape sequence, however (double backslash above).

The -e argument to echo has no effect on your argument to echo.