Version: Nightly

For the complete Mojo documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /docs/manual/basics.md).

argv

argv() -> Span[StringSlice[StaticConstantOrigin], StaticConstantOrigin]

Gets the list of command line arguments given to the mojo CLI.

For example:

app.mojo
from std.sys import argv

def main() raises:
    args = argv()
    for arg in args:
        print(arg)

mojo app.mojo "Hello world"

app.mojo
Hello world

Returns:

Span[StringSlice[StaticConstantOrigin], StaticConstantOrigin]: The list of command line arguments provided when mojo was invoked.