This is not currently possible, and any conceivable implementation would be necessarily complex requiring a good deal of cross-buffer coordination.
Would it be possible to simply only declare the variable in a header argument applying to the first code block? Using a session would keep that variables state through all subsequent code blocks. Best, Rainer M Krug <r.m.k...@gmail.com> writes: > Hi > > I have a file wide variable defined and tangle several source blockd into one > file. > > BNo the variable is expanded in each block. > > Would it be possible to have the expansion at the beginning of the file and > nod be repeated, as > this can cause problems? > > The following org code > > #+PROPERTY: tangle test.R > #+PROPERTY: var TheVar=99 > > * Part one > #+begin_src R :tabgle: > x <- 1 > #+end_src > * Problem > #+begin_src R > y <- list( > x = 1, > #+end_src > * Problem continued > #+begin_src R > x <- 3 > ) > #+end_src > > results in an error in R due to the repeated "TheVar <- 99" in the list > definition. > > Org-mode version 7.8.08 (release_7.8.07.213.ge6fdf) from git this morning > > If I remember correctly, this sneeked in quite recently. > > Thanks, > > Rainer -- Eric Schulte http://cs.unm.edu/~eschulte/
