Mojo function

isatty

isatty(fd: Int) -> Bool

Checks whether a file descriptor refers to a terminal.

Returns True if the file descriptor fd is open and connected to a tty(-like) device, otherwise False. On GPUs, the function always returns False.

Examples:

from os import isatty

# Check if stdout (fd=1) is a terminal
if isatty(1):
    print("Running in a terminal")
else:
    print("Output is redirected")

Args:

fd (Int): A file descriptor.

Returns:

Bool: True if fd is connected to a terminal, False otherwise.