[mapserver-users] mapserv cli and run-time substitution

[Seth G]

Hi,

Shouldn't the variable be wrapped in percentage signs?

EXPRESSION (%year% < 1976)

Seth

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On Sat, Feb 5, 2022, at 6:13 PM, andy wrote:
> Hi,
> I have this map file [1] in which I use this simple class expression "EXPRESSION ([year] < 1976)".
> Starting from it, I'm able to create the png output I want, running:
> 
> mapserv -nh "QUERY_STRING=map=data.map&mode=map" >out.png
> 
> But if I replace the hard coded year value with '%year%', and then I run this command
> 
> mapserv -nh "QUERY_STRING=map=data.map&mode=map&year=1976" >out.png
> 
> I have a wrong PNG output, in which the layer that has the run-time substitution variable is not rendered properly, because it seems that the value is not collected.
> 
> What's wrong with my steps? How to use run-time substitution via cli?
> 
> Thank you,
> 
> Andrea
> 
> [1] https://gist.github.com/aborruso/f40da26ec0cb9daa8cb7b308189ce3b3
> 
> 
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