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Streaming frequency distribution viewer.

Project description


anytop is a tool for viewing frequency distributions over streaming input. It reads input line by line, and shows the top elements in the distribution as they stream in. It is inspired by the excellent command-line tools available for the Varnish web accelerator.

Usage examples

anytop is designed to work within a shell flow, allowing you to easily modify the data streaming in with tools such as cut, sed and tr. Get usage help by typing anytop --help. To exit anytop, type CTRL-C.

Get the distribution of word starting with each different letter from the dictionary:

cut -c 1-1 /usr/share/dict/words | tr [:upper:] [:lower:] | anytop

Work out the relative distribution of file extensions in a source tree:

find src -type f | awk -F . '{print $NF}' | anytop

Memory usage

Anytop uses memory proportional to the number of distinct lines in the input. If the input keyspace is bounded, then anytop will use limited memory, no matter how many lines or how long it runs.

When the input keyspace is not bounded, memory use can still be bounded by only displaying statistics on a fixed-size window of lines with the -l option.

Project details

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Files for anytop, version 0.1.1
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