Fish Shell:
명령줄 인수 읽기

# simple_args.fish
for arg in $argv
    echo "Argument: $arg"
end

$ fish simple_args.fish one two three
Argument: one
Argument: two
Argument: three

# options_params.fish
set -l name (status current-command)
set -l age ''
set -l city ''

for arg in $argv
    switch $arg
        case -n --name
            set name $argv[2]
            set argv $argv[2..-1]
        case -a --age
            set age $argv[2]
            set argv $argv[2..-1]
        case -c --city 
            set city $argv[2]
            set argv $argv[2..-1]
        case '*'
            echo "Unknown argument: $arg"
            exit 1
    end
end

echo "Name: $name"
echo "Age: $age"
echo "City: $city"

$ fish options_params.fish --name Alice --age 42 --city Seoul
Name: Alice
Age: 42
City: Seoul