Searching for non web friendly characters:
#foreach( $chars in $finder.util().getInvalidChars() )
$chars
#end
#if( $finder.badfiles().size() == 0 )
[[No bad files found]]
#else
$finder.badfiles().size() [[Bad Paths]]
#foreach( $path in $finder.badfiles())
$path
#end
#end
#if( $finder.folders().size() > 0 )
Also $finder.folders().size() [[paths over 240 characters deep]]:
#foreach( $path in $finder.folders())
$path
#end
#end