Read ?tclvalue.
For instance, you can do:
tclvalue(tcl_library) # Read the content of a Tcl variable
[1] /usr/local/lib/tcl8.4
.Tcl(set myvar 1) # Create a variable inside Tcl
Tcl 1
tclvalue(myvar)# Read its value
[1] 1
To make sure you create global variables in Tcl, start their names with
'::', like '::myglobalvar', if you like.
Best,
Philippe Grosjean
Handayani Situmorang wrote:
I have any problem with my code. I build a small GUI in R with tcltk
package. the proolem is I don't understand how to make a variable value can
be read by R from a function. the variable value can only read if it's called
via tcltk widgets and pass it to another function. i think the point is the
variable must be set as global variable. but i don't have any idea? is anyone
can help me, please? Thank you very much.
-
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Answers
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and provide commented, minimal, self-contained, reproducible code.
