[R] tkbutton command - how to know which button was clicked?

From: JeeBee <JeeBee_at_troefpunt.nl>
Date: Sat 01 Jul 2006 - 03:42:13 EST

In the below code fragment, print(arg) always prints the last element of rekeningen$rekening.
Is this because of lazy evaluation? I.e. arg is evaluated at
the time the button is pressed?
And, if so, how can I avoid this?
I tried function() {force(arg); print(arg)} but that didn't work either.


  for(rek in seq(1,nrow(rekeningen))) {
    arg <- rekeningen$rekening[rek]


      text=paste("Saldo historie", arg),
      command=function() print(arg)),


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