[R] tcltk - command=function()

[chr.schulz@email.de]

hi,

just having the idea create a simple
tcl/tk gui-dialog for different data-file formats
i get starting problems and it would be nice
get some tips/tricks from experienced tcl/tk user in R !

tt <- tktoplevel()
label.widget  <- tklabel(tt,text="Decision Tree GUI")
button.widget <- tkbutton(tt,text="Select SPSSFile",
command=function()  read.spss("C:/Cummulative/data/wekaSpecial.sav",
use.value.label=T,to.data.frame=T))
tkpack(label.widget,button.widget)
tkdestroy(tt))


....how i have to use  command=function()  that this works like
cat command ( i get no error message but nothing happen),or better
how can i replace it with  tkgetOpenFile and do than an assignment 
to a read.table,read.delim or read.spss command ?

i experiment with deparse and substitute, but get no success !

really thanks for advance
and regards,Christian



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