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Previously, hexdump used Core::File to read input into a fixed buffer.
This PR rewrites the file handling to use the more modern
Core::Stream::File, which reads data into spans. By using spans, we
can also simplify the rest of the code, which previously used memcpy
for array manipulation and relied on manual bookkeeping to keep track of
offsets.
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Verbose option overrides the default coalescing
behaviour by displaying the complete output.
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Coalesce feature is enabled by default when using
the program. Any number of lines identical to the preceding line
will be replaced by a single asterik.
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In particular, hexdump can now handle read errors and reads that
completely fill up the buffer.
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I like using hexdump to 'have a look' at binary files, for example
/dev/random or /dev/hda. Obviously, this usecase requires that hexdump
tries not to buffer the 'entire' device.
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Enclose the ASCII-interpretation in pipes, show non-ASCII bytes as a
dot, and fix the length of the last line.
Note that this makes it more similar to the behavior of many other
implementations.
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...and make it an enum class so people don't omit "OpenMode".
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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Good-bye LogStream. Long live AK::Format!
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