Bash command as variable

Question

I am trying to store the start of a sed command inside a variable like this:

sedcmd=\"sed -i \'\' \"

Later I then execute a command like so:

Answer 1

This is the right way for do that

alias sedcmd="sed -i ''"

Obviously remember that when you close your bash, this alias will be gone.
If you want to make it "permanent", you have to add it to your .bashrc home file (if you want to make this only for a single user) or .bashrc global file, if you want to make it available for all users