bash: extracting last two dirs for a pathname

Question

I seem to have failed at something pretty simple, in bash. I have a string variable that holds the full path to a directory. I\'d like to assign the last two di

Answer 1

DIRNAME="a/b/c/d/e"
DIRNAME2=`echo $DIRNAME | awk -F/ '{print $(NF-1)"_"$(NF)}'`

DIRNAME2 then has the value d_e

Change the underscore to whatever you wish.