for loop - Key check in ruby whether the enter key is char or digit -

for loop - Key check in ruby whether the enter key is char or digit -

i have programme in ruby asks come in number. when come in char, want terminate loop , show sum of entered integers.

you can check if entered digit or not way:

i = gets.chomp # reading input homecoming unless =~ /\d/

ruby for-loop key condition do-while