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README.md |
README.md
returna
Instructions
Write a program that takes a string
as an argument, if the string
contains the letter a
then print Contains the letter
followed by a newline \n
.
- If there is no character
a
in thestring
, the program writes!(Contains the letter)
followed by a newline\n
. - If the number of parameters is not 1, the program displays a newline
\n
.
Usage
$ go run . "do I exist" | cat -e
!(Contains the letter)$
$
$ go run . "I do exist a" | cat -e
Contains the letter$
$
$ go run . "one" "two" | cat -e
$