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* Valid quality values should all have ASCII codes > 32.
* Valid quality values should all have ASCII codes > 32.
* Valid bases should be ACTG or N, unless ambiguous bases are explicitly allowed by the application consuming the file.
* Valid bases should be ACTG or N, unless ambiguous bases are explicitly allowed by the application consuming the file. Lower case characters are allowed.
* Every entry in the file should have a unique identifier.
* Every entry in the file should have a unique identifier.
* Base composition should be reported and tracked by position.
* Base composition should be reported and tracked by position.
== Additional Wishlist ==
There are a series of optional capabilities a FastQ Validator should implement. Among those:
* Consume gzipped and uncompressed text files transparently.
* To reduce memory usage, implement a two-pass algorithm that stores only a key for each sequence name (rather than complete sequence names) in memory.
* Support color space files, where valid base sequences include the characters 0, 1, 2, 3, 4 instead of A, C, T, G and N.
