This is the command returnposix that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
return — return from a function or dot script
SYNOPSIS
return [n]
DESCRIPTION
The return utility shall cause the shell to stop executing the current function or dot
script. If the shell is not currently executing a function or dot script, the results are
unspecified.
OPTIONS
None.
OPERANDS
See the DESCRIPTION.
STDIN
Not used.
INPUT FILES
None.
ENVIRONMENT VARIABLES
None.
ASYNCHRONOUS EVENTS
Default.
STDOUT
Not used.
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
The value of the special parameter '?' shall be set to n, an unsigned decimal integer, or
to the exit status of the last command executed if n is not specified. If the value of n
is greater than 255, the results are undefined. When return is executed in a trap action,
the last command is considered to be the command that executed immediately preceding the
trap action.
CONSEQUENCES OF ERRORS
Default.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
None.
RATIONALE
The behavior of return when not in a function or dot script differs between the System V
shell and the KornShell. In the System V shell this is an error, whereas in the KornShell,
the effect is the same as exit.
The results of returning a number greater than 255 are undefined because of differing
practices in the various historical implementations. Some shells AND out all but the low-
order 8 bits; others allow larger values, but not of unlimited size.
See the discussion of appropriate exit status values under exit.
FUTURE DIRECTIONS
None.
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