HOWTO_VIMSCRIPT

HOWTO VIMSCRIPT

11/22/2010

:h debug-scripts

:h usr_41       (How to Write a Vim script)


<lamdk> is there a key to paste the value of some setting into the buffer?
	like the function name in 'set indentexpr?'
<jamessan> lamdk: :help expr-option
<MarcWeber> lamdk: <c-r>=vim-expr

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Q. How do I log a message to debug a script?   (from $VIMRUNTIME/indent/GenericIndent.vim)
A. 
    Using the Ex command 'echomsg' 

    -->    echomsg "Here" . " is a cool message"

    echo &indentexpr



Q. How do I insert text into the buffer?
A. 
    Using setline(lnum, text)

    Ex.  call setline(line('.'), "abc123")
       
         call setline(line('.'), &tabstop)


Q. How do I get the line ***NUMBER*** the cursor is currently on?
A. line('.')


Q. How do I get the line ***TEXT*** the cursor is currently on?
A. getline('.')


Q. Get the syntax name of the thing at the cursor?
A. echo synIDattr(synID(line("."), col("."), 1), "name")

Q. How do I see all vimscript builtin functions?
A. 
    :h functions
    :h function-list