uruby to lower case
name = 'Foo'
puts name # Ruby
puts name.downcase # ruby
puts name.upcase # RUBY
puts name # Ruby
uruby to lower case
name = 'Foo'
puts name # Ruby
puts name.downcase # ruby
puts name.upcase # RUBY
puts name # Ruby
convert to uppercase
echo example | awk -F 'd' '{ print toupper($1)}'
EXAMPLE #Example first uppercased outputed
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