You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

27 lines
738 B

## swap-name
### Instructions
Write a program that takes a first and last name as one argument and swaps them.
- If there is more than one argument, nothing should be printed.
- The argument should contain only alphabetic characters and spaces and only two words, if not, you have to print `"Error\n"`
- The result must be followed with a new line at the end (`'\n'`).
- Trim any extra space in the beginning or end of the string.
### Usage
```console
$ go run . | cat -e
$ go run . "James Carl" "Peter Lab" | cat -e
$ go run . "ROB carlos" | cat -e
carlos ROB$
$ go run . "He2 $%hello" | cat -e
Error$
$ go run . " JULIE BIRD " | cat -e
BIRD JULIE$
$ go run . "Carl Jon Mic" | cat -e
Error$
$ go run . "ROB" | cat -e
2 years ago
Error$
2 years ago
```