lang:bash:interactive

Table of Contents

About

An Interactive shell ¹⁾ is created when bash is:

started:
- without non-option arguments
- without the -c option
- whose standard input and error are both connected to terminals (as determined by isatty(3)),
or started with the -i option. PS1 is set and $- includes i if bash is interactive, allowing a shell script or a startup file to test this state. See testing_for_interactive_mode

Management

Argument

When invoking an interactive shell, you can set the positional parameters with the -s option of bash. See Bash

Testing for Interactive mode

Testing for Interactive mode

if [[ $- == *i* ]]
then
    echo "Interactive"
fi

where

- is a special parameter representing the option of the shell

¹⁾

https://www.gnu.org/software/bash/manual/bash.html#Interactive-Shells