Fix append_path message (add fn in /etc/profile.d/perlbin.sh)

gistfile1.txt

append_path()
{
    case ":$PATH:" in
	    *:"$1":*)
		;;
	    *)
	        PATH="${PATH:+$PATH:}$1"
    esac
}

[ -d /usr/bin/site_perl ] && append_path '/usr/bin/site_perl'

[ -d /usr/bin/vendor_perl ] && append_path '/usr/bin/vendor_perl'

[ -d /usr/bin/core_perl ] && append_path '/usr/bin/core_perl'

export PATH

# If you have modules in non-standard directories you can add them here.
#export PERLLIB=dir1:dir2