When collecting user input in Ruby, is there ever a time where using chomp
on that input would not be the desired behavior? That is, when would simply using gets
and not gets.chomp
be appropriate.
Is there a time when 'gets' would be used without 'chomp'?
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Yes, if you specify the maximum length for input, having a "\n" included in the
gets
return value allows you to tell if Ruby gave youx
characters because it encountered the "\n", or becausex
was the maximum input size:vs:
If the returned string contains no trailing newline, it means there are still characters in the buffer.
Without the limit on the input, the trailing newline, or any other delimiter, probably doesn't have much use, but it's kept for consistency.