How to activate Ubuntu on Bash in Windows 10 Anniversary
March 4, 2022
Mistakes. These are messages that are most often included in a script for debugging purposes or to provide a complete shopping experience. write Just this error message:
command || "cmd echo failed"
can work wonders for simple ones, but it’s not more common. In this basic actual example, the output of the script will pollute the message as errors, failures, and successes are mixed in with the output of stdout.
In short, the error message should be on stderr, not stdout. It’s pretty simple:
Echo command || 'command not >/dev/stderr
if successful' cmd; then
Mirroring "cmd failure" >/dev/stderr
In the example above, the success message is tagged on stdout and the error message is printed on stderr.
Perhaps the best way to display error messages would be to define a function: