Unix cut except last two tokens

Question

I\'m trying to parse file names in specific directory. Filenames are of format:

token1_token2_token3_token(N-1)_token(N).sh

I need to cut the t

Answer 1

You may use POSIX defined parameter substitution:

$ name="t1_t2_t3_tn1_tn2.sh"
$ name=${name%_*_*}
$ echo $name
t1_t2_t3