diff options
Diffstat (limited to 'runtime/doc/usr_41.txt')
| -rw-r--r-- | runtime/doc/usr_41.txt | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt index b11f0134f..1dbfba128 100644 --- a/runtime/doc/usr_41.txt +++ b/runtime/doc/usr_41.txt @@ -327,9 +327,9 @@ Grouping is done with parentheses. No surprises here. Example: > :echo (10 + 5) * 2 < 30 ~ -Strings can be concatenated with ".". Example: > +Strings can be concatenated with ".." (see |expr6|). Example: > - :echo "foo" . "bar" + :echo "foo" .. "bar" < foobar ~ When the ":echo" command gets multiple arguments, it separates them with a @@ -496,9 +496,9 @@ So far the commands in the script were executed by Vim directly. The very powerful way to build commands and execute them. An example is to jump to a tag, which is contained in a variable: > - :execute "tag " . tag_name + :execute "tag " .. tag_name -The "." is used to concatenate the string "tag " with the value of variable +The ".." is used to concatenate the string "tag " with the value of variable "tag_name". Suppose "tag_name" has the value "get_cmd", then the command that will be executed is: > @@ -514,7 +514,7 @@ This jumps to the first line and formats all lines with the "=" operator. To make ":normal" work with an expression, combine ":execute" with it. Example: > - :execute "normal " . normal_commands + :execute "normal " .. normal_commands The variable "normal_commands" must contain the Normal mode commands. Make sure that the argument for ":normal" is a complete command. Otherwise @@ -531,12 +531,12 @@ If you don't want to execute a string but evaluate it to get its expression value, you can use the eval() function: > :let optname = "path" - :let optval = eval('&' . optname) + :let optval = eval('&' .. optname) A "&" character is prepended to "path", thus the argument to eval() is "&path". The result will then be the value of the 'path' option. The same thing can be done with: > - :exe 'let optval = &' . optname + :exe 'let optval = &' .. optname ============================================================================== *41.6* Using functions @@ -1288,7 +1288,7 @@ Example: > : let n = n + len(split(getline(lnum))) : let lnum = lnum + 1 : endwhile - : echo "found " . n . " words" + : echo "found " .. n .. " words" :endfunction You can call this function with: > @@ -1301,7 +1301,7 @@ It will be executed once and echo the number of words. range, with the cursor in that line. Example: > :function Number() - : echo "line " . line(".") . " contains: " . getline(".") + : echo "line " .. line(".") .. " contains: " .. getline(".") :endfunction If you call this function with: > @@ -1325,11 +1325,11 @@ so on. The variable "a:0" contains the number of extra arguments. :function Show(start, ...) : echohl Title - : echo "start is " . a:start + : echo "start is " .. a:start : echohl None : let index = 1 : while index <= a:0 - : echo " Arg " . index . " is " . a:{index} + : echo " Arg " .. index .. " is " .. a:{index} : let index = index + 1 : endwhile : echo "" @@ -1737,10 +1737,10 @@ Another useful mechanism is the ":finally" command: > :let tmp = tempname() :try - : exe ".,$write " . tmp - : exe "!filter " . tmp + : exe ".,$write " .. tmp + : exe "!filter " .. tmp : .,$delete - : exe "$read " . tmp + : exe "$read " .. tmp :finally : call delete(tmp) :endtry @@ -2091,8 +2091,8 @@ prepending it with "s:". We will define a function that adds a new typing correction: > 30 function s:Add(from, correct) - 31 let to = input("type the correction for " . a:from . ": ") - 32 exe ":iabbrev " . a:from . " " . to + 31 let to = input("type the correction for " .. a:from .. ": ") + 32 exe ":iabbrev " .. a:from .. " " .. to .. 36 endfunction @@ -2197,7 +2197,7 @@ a few lines to count the number of corrections: > 30 function s:Add(from, correct) .. 34 let s:count = s:count + 1 - 35 echo s:count . " corrections now" + 35 echo s:count .. " corrections now" 36 endfunction First s:count is initialized to 4 in the script itself. When later the @@ -2240,11 +2240,11 @@ Here is the resulting complete example: > 28 noremap <SID>Add :call <SID>Add(expand("<cword>"), 1)<CR> 29 30 function s:Add(from, correct) - 31 let to = input("type the correction for " . a:from . ": ") - 32 exe ":iabbrev " . a:from . " " . to + 31 let to = input("type the correction for " .. a:from .. ": ") + 32 exe ":iabbrev " .. a:from .. " " .. to 33 if a:correct | exe "normal viws\<C-R>\" \b\e" | endif 34 let s:count = s:count + 1 - 35 echo s:count . " corrections now" + 35 echo s:count .. " corrections now" 36 endfunction 37 38 if !exists(":Correct") @@ -2492,7 +2492,7 @@ should be undone. Set the b:undo_ftplugin variable to the commands that will undo the settings in your filetype plugin. Example: > let b:undo_ftplugin = "setlocal fo< com< tw< commentstring<" - \ . "| unlet b:match_ignorecase b:match_words b:match_skip" + \ .. "| unlet b:match_ignorecase b:match_words b:match_skip" Using ":setlocal" with "<" after the option name resets the option to its global value. That is mostly the best way to reset the option value. @@ -2613,17 +2613,17 @@ The following example shows how it's done: > map <F19> :call BufNetWrite('something')<CR> let s:did_load = 1 - exe 'au FuncUndefined BufNet* source ' . expand('<sfile>') + exe 'au FuncUndefined BufNet* source ' .. expand('<sfile>') finish endif function BufNetRead(...) - echo 'BufNetRead(' . string(a:000) . ')' + echo 'BufNetRead(' .. string(a:000) .. ')' " read functionality here endfunction function BufNetWrite(...) - echo 'BufNetWrite(' . string(a:000) . ')' + echo 'BufNetWrite(' .. string(a:000) .. ')' " write functionality here endfunction |