Scilab 6.1.0
Please note that the recommended version of Scilab is 2024.1.0. This page might be outdated.
See the recommended documentation of this function
TCL_ExistVar
Return %T if a tcl variable exists
Syntax
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')
See also
- ScilabEval — tcl instruction : Evaluate a string with scilab interpreter
- TCL_EvalFile — Reads and evaluate a tcl/tk file
- TCL_EvalStr — Evaluate a string within the Tcl/Tk interpreter
- TCL_GetVar — Get a tcl/tk variable value
- TCL_SetVar — Set a tcl/tk variable value
- TCL_UnsetVar — Remove a tcl variable
- TCL_UpVar — Make a link from a tcl source variable to a tcl destination variable
- TCL_CreateSlave — Create a TCL slave interpreter
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<< TCL_ExistInterp | Interfaces com Tcl/Tk | TCL_GetVar >> |