Thanks for this patch. I have been meaning to do something likethis for a while. It will be in 2.1.17
M On Mon, 2005-07-18 at 23:06 +0200, Davor Ocelic wrote: > Hello, > > Allow me to inform you of the simple ExpandVariables patch > (for the editfiles section) that performs expansion of variables in the > input file to the values of correspondingly named cfengine variables. > > http://colt.projectgamma.com/cfengine/cfengine-2.1.15-variable-expansion.patch > > I have no deep cfengine knowledge, so any suggestions/corrections are welcome. > > > My primary motive for coding it was the need to use templates with cfengine. > As I envisioned it, in the update phase, templates would be transferred to the > client along with other data. In the normal run, templates would then be > copied to > another location, variable-expanded and edited as appropriate, and finally > copied to their local destination. > > > PATCH NOTES: > - The function does not allow escaping of $() or ${} in input files to prevent > unintended expansion - all recognized variables are expanded. (You can, > however, > count on cfengine's behavior of passing non-existing variables through > verbatim). > > - I wanted to make a function which would operate on a single line, but > didn't find > a convenient existing method to loop over all lines in a file manually. > Therefore, > the function scans and expands the whole file itself. > > - Buffer size for expansion is of length CF_EXPANDSIZE. Is this sensible, > given that > both the static (invariant) and "dynamic" (expanded) part of the line must > fit in > that buffer for the function to succeed? > > - It appears that a function in editfiles is not triggered unless it is > accompanyed > by an argument. So even though ExpandVariables does not use any arguments, > you need > to call ExpandVariables '' to trigger it. Does this fit the general logic? > > > Best regards, > -doc > > > _______________________________________________ > Help-cfengine mailing list > Help-cfengine@gnu.org > http://lists.gnu.org/mailman/listinfo/help-cfengine _______________________________________________ Help-cfengine mailing list Help-cfengine@gnu.org http://lists.gnu.org/mailman/listinfo/help-cfengine
