chomp
chomp( [ aString ] ) -> $_ or aString
Equivalent to $_ = $_.chomp(aString). See String#chomp on page 367.

$_ = "now\n"
chomp » "now"
$_»"now"
chomp "ow"»"n"
$_ »"n"
chomp "xxx"»"n"
$_»"n"

chomp!
chomp!( [ aString ] ) -> $_ or nil


Equivalent to $_.chomp!(aString). See String#chomp!

$_ = "now\n"
chomp! » "now"
$_»"now"
chomp! "x"»nil
$_ » "now"

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