Disclaimer: I have limited experience with Tie::File, so not sure how it performs w/ larger files.

Horribly!

Thanks. For my own future reference, do you have a suggestion for a file size that is too large to use with Tie::File?

Hm. Say 1000 lines/100kB.

Its actually not too bad for files ~10x that iff you know

1. how it works:

   An LRU cache of limited size:

2. what not to do:

   Don't use @theArray in either a list or scalar context;

3. configure it correctly:

   The memory and dw_size options can interact in interesting but unintuitive ways.

   Bigger is not always better, especially if the predominant operations are deletion or insertion of whole lines, rather than in-place modification of existing lines.

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