15 lines
425 B
Plaintext
15 lines
425 B
Plaintext
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()
|