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628 B
628 B
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!$