diff --git a/bash_scripts/cow_college.sh b/bash_scripts/cow_college.sh new file mode 100755 index 0000000..7242c8c --- /dev/null +++ b/bash_scripts/cow_college.sh @@ -0,0 +1,18 @@ +if [[ $# -ne 1 ]]; then + echo "usage: $0 " + echo "please provide exactly one numeric argument" + exit 1 +fi + +if ! [[ "$1" =~ ^[0-9]+$ ]] || (("$1" < 1)); then + echo "error: argument must be a positive integer" + exit 1 +fi + +reset +for ((i = 2; i < "$(($1 + 1))"; i++)); do + cowsay "$((($i - 1) * ($i - 1)))" + sleep 1 + clear +done +cowsay -e oo -T U "$(($1 * $1))"