fish-shell/doc_src/status.txt
Mahmoud Al-Qudsi e212269ab1 Add status fish-path
Retrieves the fully resolved path to the currently executing fish binary
(regardless of PATH). Can be used to ensure that the same fish is
launched again from a script.

`get_executable_path()` moved from fish binary to libfish, also cleaned
up some duplicated (but differing!) definitions of PATH_MAX (which was
used by that function) in the process.
2018-10-09 22:34:41 -05:00

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\section status status - query fish runtime information
\subsection status-synopsis Synopsis
\fish{synopsis}
status
status is-login
status is-interactive
status is-block
status is-breakpoint
status is-command-substitution
status is-no-job-control
status is-full-job-control
status is-interactive-job-control
status filename
status fish-path
status function
status line-number
status stack-trace
status job-control CONTROL-TYPE
status features
status test-feature FEATURE
\endfish
\subsection status-description Description
With no arguments, `status` displays a summary of the current login and job control status of the shell.
The following operations (sub-commands) are available:
- `is-command-sub` returns 0 if fish is currently executing a command substitution. Also `-c` or `--is-command-substitution`.
- `is-block` returns 0 if fish is currently executing a block of code. Also `-b` or `--is-block`.
- `is-breakpoint` returns 0 if fish is currently showing a prompt in the context of a `breakpoint` command. See also the `fish_breakpoint_prompt` function.
- `is-interactive` returns 0 if fish is interactive - that is, connected to a keyboard. Also `-i` or `--is-interactive`.
- `is-login` returns 0 if fish is a login shell - that is, if fish should perform login tasks such as setting up the PATH. Also `-l` or `--is-login`.
- `is-full-job-control` returns 0 if full job control is enabled. Also `--is-full-job-control` (no short flag).
- `is-interactive-job-control` returns 0 if interactive job control is enabled. Also, `--is-interactive-job-control` (no short flag).
- `is-no-job-control` returns 0 if no job control is enabled. Also `--is-no-job-control` (no short flag).
- `filename` prints the filename of the currently running script. Also `current-filename`, `-f` or `--current-filename`.
- `fish-path` prints the absolute path to the currently executing instance of fish.
- `function` prints the name of the currently called function if able, when missing displays "Not a
function" (or equivalent translated string). Also `current-function`, `-u` or `--current-function`.
- `line-number` prints the line number of the currently running script. Also `current-line-number`, `-n` or `--current-line-number`.
- `stack-trace` prints a stack trace of all function calls on the call stack. Also `print-stack-trace`, `-t` or `--print-stack-trace`.
- `job-control CONTROL-TYPE` sets the job control type, which can be `none`, `full`, or `interactive`. Also `-j CONTROL-TYPE` or `--job-control=CONTROL-TYPE`.
- `features` lists all available feature flags.
- `test-feature FEATURE` returns 0 when FEATURE is enabled, 1 if it is disabled, and 2 if it is not recognized.
\subsection status-notes Notes
For backwards compatibility each subcommand can also be specified as a long or short option. For example, rather than `status is-login` you can type `status --is-login`. The flag forms are deprecated and may be removed in a future release (but not before fish 3.0).
You can only specify one subcommand per invocation even if you use the flag form of the subcommand.