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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/CSV-data-manipulation/Wren/csv-data-manipulation.wren Normal file
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import "io" for File
var lines = File.read("rc.csv").split("\n").map { |w| w.trim() }.toList
var file = File.create("rc.csv") // overwrite existing file
file.writeBytes(lines[0] + ",SUM\n")
for (line in lines.skip(1)) {
if (line != "") {
var nums = line.split(",").map { |s| Num.fromString(s) }
var sum = nums.reduce { |acc, n| acc + n }
file.writeBytes(line + ",%(sum)\n")
}
}
file.close()