BASH: pretty $PATH

 

1. echo $PATH | tr : \\n

    

2. echo $PATH | sed '#:#\n#g'

    

3. echo $PATH | awk 'BEGIN{RS=":"}{print}'

    

4. echo $PATH | awk '{gsub(/:/,"\n");print}'

    

5. IFS=: read -ra entries <<< "$PATH"
   for entry in "${entries[@]}"; do
       echo $entry
   done