script.awk function join(arr, sep) { acc = arr[1] for (i = 2; i <= length(arr); i++) { acc = acc sep arr[i] } return acc } function strip(str) { gsub(/^\s+|\s+$/, "", str) return str } function surround_str(str, start, end) { return start str end } function apply_strip(format_arr) { for (idx...
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