[NCLUG] /etc/environment

[John L. Bass]

bob at proulx.com (Bob Proulx) writes:
> You meant 'expr' in the above, right?
>   a=`expr $a + 1`
> :-)

yep ... said that last night :)


> Note that in today's modern shells I would recommend doing math
> directly in $((...)) expressions.  It is POSIX standard and all
> standard shells support it.
>   a=$(( $a + 1 ))
> [This does not apply to /etc/environment though.]

Which I consider a gross bug, including the original problem with
previously defined variable evaluations not supported.

John