I stumbled across this
<http://tobibeer.github.io/tb5/#Delete%20All%20Tiddlers%20By%20Filter>and
thought it would make a good starting point for a JS macro. Having tried
it on a couple of TWs (where I had a ton of archaic temp/state tiddlers I
wanted to remove) it seems there is a very destructive bug in there
somewhere -- it destroys the TW (and since the wikis have passwords, they
will no longer decrypt). The size of one of the wikis went from ~6.5KB to
103KB. Ouch.
Here is Tobias' original code:
var filter = "tag[FOO]";
filter = "[all[tiddlers]!prefix[$]" + subfilter + "]";
var tids = $tw.wiki.filterTiddlers(filter, null);
if(confirm('Delete all ' + tids.length + '?\n\n' + tids)){
for(var t=0; t<tids.length; t++) {
$tw.wiki.deleteTiddler(tids[t]);
}
}
Noticing the stray subfilter variable, I cleaned it up and then used this:
var filter = "[prefix[$:/temp/state/1]]";
var tids = $tw.wiki.filterTiddlers(filter, null);
if(confirm('Delete all ' + tids.length + '?\n\n' + tids)){
for(var t=0; t<tids.length; t++) {
$tw.wiki.deleteTiddler(tids[t]);
}
}
If I use that filter in the filter search input in TW, it works as expected.
When running the code above, it lists the exact same tiddlers (AFAICT), yet, it
destroys the TW on confirming the dialog.
Anyone see a problem? What am I missing?
TIA
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