On 4/16/2018 6:08 AM, Vladimir Lomov wrote:
Hello list,
recent update of context suite (beta) changed something in the code of
'mtxrun' so now it shows me a warning:
   ${CONTEXT}/bin/mtxrun:20683: attempt to concatenate a nil value (field 
'platform')
I didn't notice this warning earilier.

The line 20683 in 'mtxrun' is
     local texos="texmf-"..os.platform

To check the return of 'os.platform' I made small lua script and run it
as
   mtxrun --script SCRIPT --platform=linux-64
It returned 'nil nil'. Is this expected behavior?

% SCRIPT.lua
----------------------- 8< ------------------------
local plat=os.platform
local plat2=os.getenv("MTX_PLATFORM")
print("platform = ", plat)
print("platform2 = ", plat2)
----------------------- 8< ------------------------

it should be

        local platform     = os.getenv("MTX_PLATFORM") or ""



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