[Bug 235589] sh(1): LINENO is unset in shell arithmetic
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bugzilla-noreply at freebsd.org
Sun Mar 1 01:38:14 UTC 2020
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235589
Paco Pascal <me at pacopascal.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #212048|0 |1
is obsolete| |
--- Comment #5 from Paco Pascal <me at pacopascal.com> ---
Created attachment 212062
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=212062&action=edit
Perfect LINENO behavior?
This patch is the same as the last one I posted, except it asserts that LINENO
can't be 0 and LINENO in functions were off by 1. In the previous patch I
posted,
echo `
echo $LINENO`
would output 0. There might be a better method of ensuring this than what I did
in parser.c.
As far as I can see, this makes LINENO behave in every way it should. The
following,
echo $LINENO $((LINENO)) $(($LINENO))
PS4='$LINENO+ '
echo `echo $LINENO`
eval 'echo $LINENO $((LINENO)) $(($LINENO))'
all perform in what I think is expected ways.
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