Syntax Highlighting with nano – nanorc for profile

### all *profile files ( ~/.bash_profile, /etc/profile)
syntax "profiles" "(\.|/|)profile$"
color red "'(\\.|[^'])*'"
color blue ""(\\.|[^\"])*""
color magenta "[a-zA-Z0-9\_]+="
color magenta "\<(sudo)\>"
color cyan "\<(export)\>" "\<(alias)\>"
color brightred "\<(umask)\>.*$"
color green "#.*$"