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887 B
887 B
expandstr
Instructions
Write a program that takes a string and displays it with exactly three spaces between each word, with no spaces or tabs at either the beginning nor the end.
The string will be followed by a newline ('\n').
A word is a sequence of alphanumerical characters.
If the number of arguments is not 1, or if there are no word, the program displays nothing.
Usage
student@ubuntu:~/expandstr$ go build
student@ubuntu:~/expandstr$ ./expandstr "you see it's easy to display the same thing" | cat -e
you see it's easy to display the same thing$
student@ubuntu:~/expandstr$ ./expandstr " only it's harder " | cat -e
only it's harder$
student@ubuntu:~/expandstr$ ./expandstr " how funny it is" "did you hear, Mathilde ?" | cat -e
student@ubuntu:~/expandstr$ ./expandstr
student@ubuntu:~/expandstr$