1 USING: io io.files math math.parser kernel prettyprint ;
4 : sum-file-loop ( n -- n' )
5 readln [ string>number + sum-file-loop ] when* ;
7 : sum-file ( file -- n )
8 <file-reader> [ 0 sum-file-loop ] with-stream . ;
10 : sum-file-main ( -- )
11 home "sum-file-in.txt" path+ sum-file ;