On 06/12/11 00:21, no-re...@cfengine.com wrote: > Forum: CFEngine Help Subject: Re: CFEngine Help: Slists and looping > Author: random Link to topic: > https://cfengine.com/forum/read.php?3,24179,24195#msg-24195 > > Jonathan Clarke Wrote: > ------------------------------------------------------- >> no-re...@cfengine.com a écrit : >> >>> Forum: CFEngine Help Subject: Slists and looping Author: random >>> Link to topic: https://cfengine.com/forum/read.php?3,24160,24160 >> #msg-24160 >>> >>> I'm messing around with some simple looping over >> slists and ran into a >>> problem with the code below. It appears that >> cfengine isn't recursive >>> when looping and won't expand my slists as I >> would expect. Is there >>> any work around for this or am I just doing it >> wrong? >>> >>> Thanks! >>> >>> >>> body common control { bundlesequence => { "test" }; >>> >>> inputs => { "cfengine_stdlib.cf" }; } >>> >>> bundle agent test { vars: "test1" slist => { "one", "two", >>> "three" }; "test2" slist => { "three", "four", "five" >> }; >>> "test3" slist => { "athree", "afour", >> "afive" }; >>> >>> "members" slist => { @(test1), @(test3) }; >>> >>> "members" slist => { @(test2), @(test3) }; >>> >>> "userlist" slist => getindices("members"); >>> >>> reports: linux:: "User: $(userlist) Element: >> $(members[$(userlist)])"; >>> >>> } >> >> You appear to be confusing lists and arrays. The arrayname notation >> has no significance for lists, which is why this example doesn't >> work as you expect. >> >> Remember, arrays are like hashmaps, and can store key => value >> pairs. They are defined like this: >> >> "arrayname" => "value1"; >> >> Lists are one dimension only. Lists are useful to store all the >> keys in an array ... Using indices. :-) >> >> Hope this helps, Jonathan >> > > I just realized that my above code snippet was incorrect due to the > forum trying to do something with my brackets. > > http://pastebin.com/r3FjdtVv > > Based on that code I'd expect that variable expansion would work, but > it doesn't. Is this an oversight or by design to prevent an infinite > loop or am I still missing something?
Ah, indeed! It makes a lot more sense now :-) I have noticed issues with using slists in arrays before now... I recall having to give up in fact, and just use multi-dimensional arrays instead. Maybe this is a bug? Jonathan _______________________________________________ Help-cfengine mailing list Help-cfengine@cfengine.org https://cfengine.org/mailman/listinfo/help-cfengine
