u-boot/doc/usage/exit.rst
Heinrich Schuchardt 627b57bde0 doc: describe exit command
Man-page for exit shell command.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-25 01:15:33 +01:00

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exit command
============
Synopsis
--------
::
exit
Description
-----------
The exit command terminates a script started via the run or source command.
If scripts are nested, only the innermost script is left.
::
=> setenv inner 'echo entry inner; exit; echo inner done'
=> setenv outer 'echo entry outer; run inner; echo outer done'
=> run outer
entry outer
entry inner
outer done
=>
When executed outside a script a warning is written. Following commands are not
executed.
::
=> echo first; exit; echo last
first
exit not allowed from main input shell.
=>
Return value
------------
$? is always set to 0 (true).