27 lines
1.4 KiB
Text
27 lines
1.4 KiB
Text
cstream is a general-purpose stream-handling tool like UNIX' dd,
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usually used in commandline-constructed pipes.
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- Sane commandline switch syntax.
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- Exact throughput limiting, on the incoming side.
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- Precise throughput reporting. Either at the end of the
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transmission or everytime SIGUSR1 is received. Quite useful to ask
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lengthy operations how much data has been transferred yet, i.e. when
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writing tapes. Reports are done in bytes/sec and if appropriate in
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KB/sec or MB/sec, where 1K = 1024.
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- SIGHUP causes a clean shutdown before EOF on input.
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- Build-in support to write its PID to a file.
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- Build-in support for fifos. Example usage is a 'pseudo-device',
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something that sinks or delivers data at an appropriate rate, but
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looks like a file, i.e. if you test soundcard software.
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- Built-in data creation and sink, no more redirection of
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/dev/null and /dev/zero. These special devices speed varies greatly
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among operating systems, redirecting from it isn't appropriate
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benchmarking and a waste of resources anyway.
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- "gcc -Wall" clean source code, serious effort taken to avoid
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undefined behavior in ANSI C or POSIX, except long long
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is required. Limiting and reporting works on data amounts > 4 GB.
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- Audio support: input/output-files can be switched to Audi CD quality mode
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- TCP support: input-output streams can be TCP connections, either
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connecting to other hosts or waiting for a host to connect
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WWW: http://www.cons.org/cracauer/cstream.html
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