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# Implementation Details of GNU `gperf`

A paper describing the high-level description of the data structures and algorithms used to implement `gperf` will soon be available. This paper is useful not only from a maintenance and enhancement perspective, but also because they demonstrate several clever and useful programming techniques, e.g., `Iteration Number' boolean arrays, double hashing, a "safe" and efficient method for reading arbitrarily long input from a file, and a provably optimal algorithm for simultaneously determining both the minimum and maximum elements in a list.

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