#2986: r.mapcalc with same variable on LHS and RHS
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Reporter: mankoff | Owner: grass-dev@…
Type: defect | Status: closed
Priority: major | Milestone: 7.0.4
Component: Docs | Version: 7.0.3
Resolution: fixed | Keywords: r.mapcalc
CPU: Unspecified | Platform: Unspecified
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Comment (by wenzeslaus):
Replying to [comment:9 glynn]:
> The result of any expression can be assigned to a variable; that's what
"=" does.
Do I understand it correctly that re-assigning a variable inside sub-
expression like in the following example is OK?
{{{
r.mapcalc "a = eval(x = 1., x = x * 3, x / 2)"
}}}
In other words, can I use the above without any bad consequences?
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Ticket URL: <https://trac.osgeo.org/grass/ticket/2986#comment:12>
GRASS GIS <https://grass.osgeo.org>
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