How to get the reverse parsing work.
I have a strings like
aqw-wef-324-err.log
wefd-324r-err.log
efrt-4rfr.log
.
.
i want to have string upto last hypen.
aqw-wef-324
wefd-324r
efrt$ string=wefd-324r-err.log
$ string2=${string%-*}
$ echo $string2
wefd-324r