How to quickly change variable names in Vim?

Question

I am using Vim to read through a lot of C and Perl code containing many single letter variable names.

It would be nice to have some command to change the name of a va

Answer 1

You could use the 'c' modifier in the global search and replace that would ask you for confirmation for each replace. It would take longer but it might work for a non-humongous code file:

%s/\$var/\$foo/gc

The c stands for confirm.