How do I send a message to stderr no bash via echo command?

Question

I’m writing some script to deploy an application and need to send status messages to stderr instead of stdout, that command echo makes by default. How to do the command echo send the message to stderr instead of stdout?

Answer 1

You can use the following command:

>&2 echo "erro"

or

echo Esta mensagem vai para o stderr >&2

Sources:
https://stackoverflow.com/a/23550347/194717
https://stackoverflow.com/a/11422223/194717