How to touch a file and mkdir if needed in one line

Question

I need to touch a file with an absolute file name such as: /opt/test/test.txt, but I\'m not sure if there is /opt/test existed on the system. So the code should similar with thi

Answer 1

I defined a touchp in my ~/.bash_aliases:

function touchp() {
  /bin/mkdir -p "$(dirname "$1")/" && /usr/bin/touch "$1"
}

It silently creates the structure above the file if not present, and is perfectly safe to use when passed a single filename without any directory in front of it.