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Binedit : Produce a copy of a file named "data.bin" that does not fit in memory, while deleting every seventh byte.
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Modulo37 : Output numbers following some rules. The module outputs sequentially the integers from 1 to 99.
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Sumofconverts : Convert a set of strings which contains numbers. It returns the sum of the items representing numbers and skips others. A recursive and non-recursive version are benchmarked.
More documentation in each package.
An ordinary exercise may have a large output for which the easy // Output:
becomes unreadable. In this case, output of reduced set of data to a file for which content
can be evaluated is more convenient. It is usable even without access to the original code.
Piping Stdout to a file is easier. A helper to compare the file to a reference file.
Comparison is done using module github.com/iwdgo/testingfiles which
returns errors usable by the testing package.
The original code for piping output is from the commit history of golang.go/src/testing/example.go was using
unexported routines. It is adapted to these cases.