One the most useful commands in vim is to delete or change inside of a block like {} or inside of a charater like "SOME THING".

In case you want to just delete inside of something and you don't want to go into INSERT mode just press di keyboard buttons in order, otherwise press ci keyboard buttons to go in INSERT mode and change something.

Let's give an example. Suppose we have lines like below and we have opened it in vim:

user_id = "43dd94e5d79ffeb2ffffabd112d5e945"
 name = "Alireza"
 dob = "SECRET :)"

Place the cursor between double quotes somewhere in the SECRET :) and press d then press c keys and finally press double quote ("). The vim will search for the surrounding double quotes and will remove everything inside of it. Our output is:

user_id = "43dd94e5d79ffeb2ffffabd112d5e945"
 name = "Alireza"
 dob = ""

Now let's assume we have a block of code like below:

users_data = {
 }

Go inside of the block of curly braces (`{}`) and put your cursor inside of the block. Now press c on your keyboard then press i afterward, and at the end press { on your keyboard. It will delete everything inside of {} for you and put your vim mode in INSERT mode. So you would have the following output:

users_data = {
 }

You can do the same with every block of code and every character like (), [], '', etc.

ci stands for Change Inside
di stands for Delete Inside

#vim #tricks #commands #change #delete #ci #di