[Gmsh] Command Parameter "string"

[um.b at gmx.de]

Hello,

I use gmsh in version 1.44 and start it with the following command
(interactive):

gmsh .... -string "ViewStepNr=1;"

All works fine ( I use the variable ViewStepNr to decide something
in the script file ).

Last week I upgade gmsh to 1.60.1 and now I get the error message:

Error: ....line 38 : Unknown variable 'ViewStepNr'

In the manual and in the mailing lists I can't find an example
or a explanation about this behavior. 

Question: What do I wrong?

Thanx for a short comment.

Best regards
Uwe Blechard

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