Invoke a function with a count prefix

Tip 787 Printable Monobook Previous Next

created September 12, 2004 · complexity intermediate · author Luc St-Louis · version 5.7

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The following mapping echoes Foo: 42 when one types 42,a.

function! Foo(count)
  echo 'Foo: ' . a:count
endfunction

command! -nargs=1 FooCmd call Foo(<args>)
map ,a :<C-U>FooCmd(v:count)<CR>

References

• :help v:count

Comments

Please explain in slightly greater detail what this code does and where it can be generally used?

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