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> Miller is like `awk`, `sed`, `cut`, `join`, and `sort` for name-indexed data such as CSV, TSV, and tabular JSON.
Pretty-print a CSV file in a tabular format:
mlr --icsv --opprint cat {example.csv}
Receive JSON data and pretty print the output:
echo '{"hello":"world"}' | mlr --ijson --opprint cat
Sort alphabetically on a field:
mlr --icsv --opprint sort -f {field} {example.csv}
Sort in descending numerical order on a field:
mlr --icsv --opprint sort -nr {field} {example.csv}
Convert CSV to JSON, performing calculations and display those calculations:
mlr --icsv --ojson put '${newField1} = ${oldFieldA}/${oldFieldB}' {example.csv}
Receive JSON and format the output as vertical JSON:
echo '{"hello":"world", "foo":"bar"}' | mlr --ijson --ojson --jvstack cat
Filter lines of a compressed CSV file treating numbers as strings:
mlr --prepipe 'gunzip' --csv filter -S '${fieldName} =~ "{regular_expression}"' {example.csv.gz}
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