013.io (248B)
1 #!/usr/local/bin/io 2 # expects to be run from dir containing sample.txt 3 4 sum := 0 5 6 f := File with("sample.txt") 7 f openForReading 8 f readLines foreach(v, line, 9 num := line asNumber 10 sum = sum + num 11 ) 12 f close 13 14 sum asString(10) exSlice(0,10) println