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722 B
722 B
expandstr
Instructions
Write a program that takes a string and displays it with exactly three spaces between each word, with no spaces nor tabs at neither the beginning nor the end.
The string will be followed by a newline ('\n').
A word, in this exercise, is a sequence of visible characters.
If the number of arguments is not 1, or if there are no word, the program displays nothing.
Usage
$ go run . "you see it's easy to display the same thing" | cat -e
you see it's easy to display the same thing$
$ go run . " only it's harder " | cat -e
only it's harder$
$ go run . " how funny it is" "did you hear, Mathilde ?" | cat -e
$ go run .
$