How to ignore extra fields for fmt.Sprintf

Question

I have a Golang program that reads a string parameter from command line and passes it to the fmt.Sprintf function. Let\'s say tmp_str is the target string from command line.

Answer 1

In this particular case, you could require the command line users to always supply a %s verb, and explain they can truncate the string to zero length:

Hello Friends%.0s

or even shorter:

Hello Friends%.s

The output is plain:

Hello Friends