Hello world script

obfuscated.sh

#!/bin/bash
declare -a alph
declare -a prnt

for l in {a..z}; do
	alph+=( "$l" )
done

while read -r i; do
	if ((i==7)); then
		prnt+=( "$(awk '{print toupper($0)}' <<<"${alph[i]}")" )
	else
		prnt+=( "${alph[i]}" )
	fi
done << EOF
7
4
11
11
14
EOF
prnt+=( '<' )
for i in 22 14 17 11 3; do
	case $i in
		22)
			prnt+=( "$(tr '[:lower:]' '[:upper:]' <<<"${alph[i]}")" )
		;;
		*)	
			prnt+=( "${alph[i]}" )
		;;
	esac
done
tr -d ' ' <<< "${prnt[@]}" | sed 's/</, /'