Bash stdout, stderr Output Redirection

bash-output-redirect.sh

#!/bin/bash
set +e # Don't exit on error

succeed () {
  echo "  ✅ Doing stuff successfully"
}
fail () {
  echo "  ❌ This is an error" >&2
  return 1
}

echo "Bash Version:" $BASH_VERSION

echo "This should display both stdout and stderr:"
{
  succeed
  fail
}

echo "This should display stderr only:"
{
  succeed
  fail
} >/dev/null

echo "This should display stdout only:"
{
  succeed
  fail
} 2>/dev/null

echo "This should be silent:"
{
  succeed
  fail
} &>/dev/null