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Mention the range for the exit status for the exit special builtin.

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The exit status may exceed 255 in some cases (return); even though it seems
unwise to rely on this, it is also unwise to assume that $? is always
between 0 and 255.

This resolves bin/124748 by documenting that 'exit -1' is not valid.

PR:		bin/124748
Approved by:	ed (mentor)
This commit is contained in:
Jilles Tjoelker 2009-06-07 15:04:43 +00:00
parent e530f4b50d
commit a68fbc44ee
1 changed files with 1 additions and 0 deletions
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bin/sh/sh.1
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@ -1682,6 +1682,7 @@ If
is given
it is used as the exit status of the shell;
otherwise the exit status of the preceding command is used.
The exit status should be an integer between 0 and 255.
.It Ic export Ar name ...
.It Ic export Op Fl p
The specified names are exported so that they will