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$addon.exists Checks if an addon is currently installed |
Usage |
<boolean> $addon.exists(<id:string>[,<version:string>]) |
Description |
| Returns 1 if the addon with the specified <id> is currently installed and 0 otherwise. If <version> is specified then any addon with a version lower than <version> is ignored (so you can effectively check if a greater or equal version is present). |