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Scilab manual >> Tcl/Tk Interface > TCL_ExistVar

TCL_ExistVar

Return %T if a tcl variable exists

Calling Sequence

OK=TCL_ExistVar(varname [,interp])

Arguments

varname

character string. Contains the name of the tcl/tk variable.

interp

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.

ok

boolean. %T if varname exists.

Description

This routine allows to test if a tcl variable exists.

More information about Tcl/Tk: http://www.tcl.tk/doc/

Examples

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')

Authors

Allan CORNET

<< TCL_ExistInterp Tcl/Tk Interface TCL_GetVar >>

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Last updated:
Wed Jan 26 16:25:14 CET 2011