20 lines
227 B
Bash
20 lines
227 B
Bash
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#!/bin/bash
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if [ "$#" -ne 2 ]; then
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echo "Usage: $0 <file> <column_number>"
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exit 1
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fi
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file="$1"
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col="$2"
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awk -v c="$col" '
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{
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if ($c ~ /^-?[0-9]+([.][0-9]+)?$/)
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sum += $c
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}
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END {
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print sum
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}
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' "$file"
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