public/subjects/printmiddle

print-middle

Instructions

Write a program that prints the middle argument of the command line.

• If the number of arguments is less than 1, print ('\n')
• If the number of arguments is even, print the middle two arguments with a space (' ') between the arguments
• If the number of arguments is odd, print the middle one.
• Print ('\n') at the end of the output.

Usage

$ go run . | cat -e
$
$ go run . "Hello World!" | cat -e
Hello World!$
$ go run . "Hello World!" "World!" "All" | cat -e
World!$
$ go run . 1 2 3 4 | cat -e
2 3$
$ go run . "Hello" "World!" | cat -e 
Hello World!$