inceabdullah/increment_next_letter.sh

## increment_next_letter.sh
#!/bin/bash

next_letter() {
    # A -> B, B -> C, AZ -> BA
    local input_letter=$1

    out_letter=$(echo "$input_letter" | tr "A-Z" "B-ZA")

    echo $out_letter
}
	#!/bin/bash

	next_letter() {
	# A -> B, B -> C, AZ -> BA
	local input_letter=$1

	out_letter=$(echo "$input_letter" \| tr "A-Z" "B-ZA")

	echo $out_letter
	}