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by alco
4334 days ago
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'wc -l' counts the number of lines. It also supports '-c' and '-b'. To work with input split into columns, use awk. By default, it assumes the columns are separated with spaces. This can be customized with the '-F' option. So your last example can be rewritten as awk -F, '{s+=$1} END{print s}' data.csv
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