## org.autoplot.util.CacheCleanup

This was intended to provide a mechanism to remove old files from an enduser's cache, where version number updates result in files which will never be seen.

## deleteOldVersions

deleteOldVersions( ) → void

### Returns:

void (returns nothing)
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## findAggs

findAggs( ) → String[]

find aggregations within the user's history. This currently looks for $Y, but aggregations can also be $y, etc.

### Returns:

list of aggregations.
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## findOldVersions

findOldVersions( ) → String[]

Return an array of files where newer versions prevent the older from being used. This will not look for version constraints (e.g. $(v,lt=2)), so use with some care.

### Returns:

an array of files where newer versions prevent the older from being used.
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