How to extract last part of string in bash?

Question

I have this variable:

A="Some variable has value abc.123"

I need to extract this value i.e abc.123. Is this possible i

Answer 1

Some examples using parameter expansion

A="Some variable has value abc.123"
echo "${A##* }"

abc.123

Longest match on " " space

echo "${A% *}"

Some variable has value

Longest match on . dot

echo "${A%.*}"

Some variable has value abc

Shortest match on " " space

echo "${A%% *}"

some

Read more Shell-Parameter-Expansion