A command-line tool to calculate basic summary statistics on a set of numbers. It handles numbers embedded in strings (ie. "22.5%" or "$10.32") with variable delimiters.
-F Delimiter: Delimiter to use. Default is whitespace. This can also take regular expressions
-v field=COLUMN: Which column to look for the numbers. Default is the last column.
-v scalar=SCALAR: How much to scale each number before calculations. Useful for representation.
-v buckets=SCALAR: How many buckets to show in the histogram.
-v nines=SCALAR: How many nines to show.
Example 1: CSV text file salaries.csv with numbers in 3rd column.
basic_stats -F, -v field=3 salaries.csv
Example 2: Whitespace delimited text file country_gdp.txt containing percents in the 2nd column.
basic_stats -v field=2 country_gdp.txt
Example 3: Tail of the last 1000 lines from multiple log files where the numbers are in the last column, whitespace delimited. Show with 5 Nines and 20 buckets
tail -n 1000 apache.*.log | basic_stats -v nines=5 -v buckets=20
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