TCL_ExistVar — Return %T if a tcl variable exists
OK=TCL_ExistVar(varname [,interp])
character string. Contains the name of the tcl/tk variable.
optional character string parameter. Name of the slave tcl interpreter in which the operation has to be performed. If not provided, it defaults to the main tcl interpreter created by Scilab.
boolean. %T if varname exists.
TCL_SetVar("Scilab","OK")
TCL_GetVar("Scilab")
TCL_UnsetVar("Scilab")
TCL_ExistVar("Scilab")
TCL_SetVar("aa",1)
TCL_CreateSlave('SlaveInterp');
TCL_SetVar("aa",2,'SlaveInterp')
TCL_ExistVar("aa")
TCL_GetVar("aa")
TCL_UnsetVar("aa")
TCL_GetVar("aa",'SlaveInterp')
TCL_UnsetVar("aa",'SlaveInterp')
TCL_ExistVar("aa",'SlaveInterp')
TCL_DeleteInterp('SlaveInterp')