status: no arguments, simply display the current login and job control status of the Fish shell.
status is-login / --is-login / -l: return 0 if current Fish shell is a login shell
status is-interactive / --is-interactive / -i: return 0 if current Fish shell is interactive (connected to a keyboard)
status is-block / --is-block / -b: return 0 if fish is currently executing a block of code.
status is-command-substitution: return 0 if fish is currently executing a command substiturion.
status current-command: prints the name of the currently-running function or command (similar to $_ bash variable) (usually fish)
status current-commandline: prints the entirety of the currently-running commandline (jobs and operators are included) (usually nothing)
E.g.
status filename / current-filename / --current-filename / -f: prints the filename of the currently-running script (layer of execution is considered here!)
- If the current script was called via a symlink, this will return the symlink.
- If the current script was received by piping into source, this will return - (usually the function that aren't created interactively but using 'alias' (which use source internally) or function & funcsave).
status basename: prints just the filename of the running script, without any path components before.
status dirname: prints just the path to the running script, without the actual filename. (usually .)
status fish-path: prints the absolute path to the currently executing instace of Fish (usually /usr/bin/fish)
status function / current-function: prints the name of the currently called function (if able), when you're not inside a function, displays Not a function.