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|
*cmdline.txt* For Vim version 7.0aa. Last change: 2005 Jul 05
VIM REFERENCE MANUAL by Bram Moolenaar
*Cmdline-mode* *Command-line-mode*
Command-line mode *Cmdline* *Command-line* *mode-cmdline* *:*
Command-line mode is used to enter Ex commands (":"), search patterns
("/" and "?"), and filter commands ("!").
Basic command line editing is explained in chapter 20 of the user manual
|usr_20.txt|.
1. Command-line editing |cmdline-editing|
2. Command-line completion |cmdline-completion|
3. Ex command-lines |cmdline-lines|
4. Ex command-line ranges |cmdline-ranges|
5. Ex command-line flags |ex-flags|
6. Ex special characters |cmdline-special|
7. Command-line window |cmdline-window|
==============================================================================
1. Command-line editing *cmdline-editing*
Normally characters are inserted in front of the cursor position. You can
move around in the command-line with the left and right cursor keys. With the
<Insert> key, you can toggle between inserting and overstriking characters.
{Vi: can only alter the last character in the line}
Note that if your keyboard does not have working cursor keys or any of the
other special keys, you can use ":cnoremap" to define another key for them.
For example, to define tcsh style editing keys: *tcsh-style* >
:cnoremap <C-A> <Home>
:cnoremap <C-F> <Right>
:cnoremap <C-B> <Left>
:cnoremap <Esc>b <S-Left>
:cnoremap <Esc>f <S-Right>
(<> notation |<>|; type all this literally)
*cmdline-too-long*
When the command line is getting longer than what fits on the screen, only the
part that fits will be shown. The cursor can only move in this visible part,
thus you cannot edit beyond that.
*cmdline-history* *history*
The command-lines that you enter are remembered in a history table. You can
recall them with the up and down cursor keys. There are actually five
history tables:
- one for ':' commands
- one for search strings
- one for expressions
- one for input lines, typed for the |input()| function.
- one for debug mode commands
These are completely separate. Each history can only be accessed when
entering the same type of line.
Use the 'history' option to set the number of lines that are remembered
(default: 20).
Notes:
- When you enter a command-line that is exactly the same as an older one, the
old one is removed (to avoid repeated commands moving older commands out of
the history).
- Only commands that are typed are remembered. Ones that completely come from
mappings are not put in the history
- All searches are put in the search history, including the ones that come
from commands like "*" and "#". But for a mapping, only the last search is
remembered (to avoid that long mappings trash the history).
{Vi: no history}
{not available when compiled without the |+cmdline_hist| feature}
There is an automatic completion of names on the command-line; see
|cmdline-completion|.
*c_CTRL-V*
CTRL-V Insert next non-digit literally. Up to three digits form the
decimal value of a single byte. The non-digit and the three
digits are not considered for mapping. This works the same
way as in Insert mode (see above, |i_CTRL-V|).
Note: Under Windows CTRL-V is often mapped to paste text.
Use CTRL-Q instead then.
*c_CTRL-Q*
CTRL-Q Same as CTRL-V. But with some terminals it is used for
control flow, it doesn't work then.
*c_<Left>*
<Left> cursor left
*c_<Right>*
<Right> cursor right
*c_<S-Left>*
<S-Left> or <C-Left> *c_<C-Left>*
cursor one WORD left
*c_<S-Right>*
<S-Right> or <C-Right> *c_<C-Right>*
cursor one WORD right
CTRL-B or <Home> *c_CTRL-B* *c_<Home>*
cursor to beginning of command-line
CTRL-E or <End> *c_CTRL-E* *c_<End>*
cursor to end of command-line
*c_<LeftMouse>*
<LeftMouse> cursor to position of mouse click.
CTRL-H *c_<BS>* *c_CTRL-H*
<BS> delete the character in front of the cursor (see |:fixdel| if
your <BS> key does not do what you want).
*c_<Del>*
<Del> delete the character under the cursor (at end of line:
character before the cursor) (see |:fixdel| if your <Del>
key does not do what you want).
*c_CTRL-W*
CTRL-W delete the word before the cursor
*c_CTRL-U*
CTRL-U remove all characters between the cursor position and
the beginning of the line. Previous versions of vim
deleted all characters on the line. If that is the
preferred behavior, add the following to your .vimrc: >
:cnoremap <C-U> <C-E><C-U>
<
Note: if the command-line becomes empty with one of the
delete commands, Command-line mode is quit.
*c_<Insert>*
<Insert> Toggle between insert and overstrike. {not in Vi}
{char1} <BS> {char2} or *c_digraph*
CTRL-K {char1} {char2} *c_CTRL-K*
enter digraph (see |digraphs|). When {char1} is a special
key, the code for that key is inserted in <> form. {not in Vi}
CTRL-R {0-9a-z"%#:-=.} *c_CTRL-R* *c_<C-R>*
Insert the contents of a numbered or named register. Between
typing CTRL-R and the second character '"' will be displayed
to indicate that you are expected to enter the name of a
register.
The text is inserted as if you typed it, but mappings and
abbreviations are not used. Command-line completion through
'wildchar' is not triggered though. And characters that end
the command line are inserted literally (<Esc>, <CR>, <NL>,
<C-C>). A <BS> or CTRL-W could still end the command line
though, and remaining characters will then be interpreted in
another mode, which might not be what you intended.
Special registers:
'"' the unnamed register, containing the text of
the last delete or yank
'%' the current file name
'#' the alternate file name
'*' the clipboard contents (X11: primary selection)
'+' the clipboard contents
'/' the last search pattern
':' the last command-line
'-' the last small (less than a line) delete
'.' the last inserted text
*c_CTRL-R_=*
'=' the expression register: you are prompted to
enter an expression (see |expression|)
See |registers| about registers. {not in Vi}
Implementation detail: When using the |expression| register
and invoking setcmdpos(), this sets the position before
inserting the resulting string. Use CTRL-R CTRL-R to set the
position afterwards.
CTRL-R CTRL-F *c_CTRL-R_CTRL-F* *c_<C-R>_<C-F>*
CTRL-R CTRL-P *c_CTRL-R_CTRL-P* *c_<C-R>_<C-P>*
CTRL-R CTRL-W *c_CTRL-R_CTRL-W* *c_<C-R>_<C-W>*
CTRL-R CTRL-A *c_CTRL-R_CTRL-A* *c_<C-R>_<C-A>*
Insert the object under the cursor:
CTRL-F the Filename under the cursor
CTRL-P the Filename under the cursor, expanded with
'path' as in |gf|
CTRL-W the Word under the cursor
CTRL-A the WORD under the cursor; see |WORD|
When 'incsearch' is set the cursor position of the currently
displayed match is used.
{not in Vi}
CTRL-F and CTRL-P: {only when +file_in_path feature is
included}
*c_CTRL-R_CTRL-R* *c_<C-R>_<C-R>*
*c_CTRL-R_CTRL-O* *c_<C-R>_<C-O>*
CTRL-R CTRL-R {0-9a-z"%#:-=. CTRL-F CTRL-P CTRL-W CTRL-A}
CTRL-R CTRL-O {0-9a-z"%#:-=. CTRL-F CTRL-P CTRL-W CTRL-A}
Insert register or object under the cursor. Works like
|c_CTRL-R| but inserts the text literally. For example, if
register a contains "xy^Hz" (where ^H is a backspace),
"CTRL-R a" will insert "xz" while "CTRL-R CTRL-R a" will
insert "xy^Hz".
CTRL-\ e {expr} *c_CTRL-\_e*
Evaluate {expr} and replace the whole command line with the
result. You will be prompted for the expression, type <Enter>
to finish it. It's most useful in mappings though. See
|expression|.
See |c_CTRL-R_=| for inserting the result of an expression.
Useful functions are |getcmdline()| and |getcmdpos()|.
The cursor position is unchanged, except when the cursor was
at the end of the line, then it stays at the end.
|setcmdpos()| can be used to set the cursor position.
Example: >
:cmap <F7> <C-\>eAppendSome()<CR>
:func AppendSome()
:let cmd = getcmdline() . " Some()"
:" place the cursor on the )
:call setcmdpos(strlen(cmd))
:return cmd
:endfunc
<
*c_CTRL-Y*
CTRL-Y When there is a modeless selection, copy the selection into
the clipboard. |modeless-selection|
If there is no selection CTRL-Y is inserted as a character.
CTRL-J *c_CTRL-J* *c_<NL>* *c_<CR>*
<CR> or <NL> start entered command
*c_<Esc>*
<Esc> When typed and 'x' not present in 'cpoptions', quit
Command-line mode without executing. In macros or when 'x'
present in 'cpoptions', start entered command.
*c_CTRL-C*
CTRL-C quit command-line without executing
*c_<Up>*
<Up> recall older command-line from history, whose beginning
matches the current command-line (see below).
{not available when compiled without the |+cmdline_hist|
feature}
*c_<Down>*
<Down> recall more recent command-line from history, whose beginning
matches the current command-line (see below).
{not available when compiled without the |+cmdline_hist|
feature}
*c_<S-Up>* *c_<PageUp>*
<S-Up> or <PageUp>
recall older command-line from history
{not available when compiled without the |+cmdline_hist|
feature}
*c_<S-Down>* *c_<PageDown>*
<S-Down> or <PageDown>
recall more recent command-line from history
{not available when compiled without the |+cmdline_hist|
feature}
CTRL-D command-line completion (see |cmdline-completion|)
'wildchar' option
command-line completion (see |cmdline-completion|)
CTRL-N command-line completion (see |cmdline-completion|)
CTRL-P command-line completion (see |cmdline-completion|)
CTRL-A command-line completion (see |cmdline-completion|)
CTRL-L command-line completion (see |cmdline-completion|)
*c_CTRL-_*
CTRL-_ a - switch between Hebrew and English keyboard mode, which is
private to the command-line and not related to hkmap.
This is useful when Hebrew text entry is required in the
command-line, searches, abbreviations, etc. Applies only if
Vim is compiled with the |+rightleft| feature and the
'allowrevins' option is set.
See |rileft.txt|.
b - switch between Farsi and English keyboard mode, which is
private to the command-line and not related to fkmap. In
Farsi keyboard mode the characters are inserted in reverse
insert manner. This is useful when Farsi text entry is
required in the command-line, searches, abbreviations, etc.
Applies only if Vim is compiled with the |+farsi| feature.
See |farsi.txt|.
*c_CTRL-^*
CTRL-^ Toggle the use of language |:lmap| mappings and/or Input
Method.
When typing a pattern for a search command and 'imsearch' is
not -1, VAL is the value of 'imsearch', otherwise VAL is the
value of 'iminsert'.
When language mappings are defined:
- If VAL is 1 (langmap mappings used) it becomes 0 (no langmap
mappings used).
- If VAL was not 1 it becomes 1, thus langmap mappings are
enabled.
When no language mappings are defined:
- If VAL is 2 (Input Method is used) it becomes 0 (no input
method used)
- If VAL has another value it becomes 2, thus the Input Method
is enabled.
These language mappings are normally used to type characters
that are different from what the keyboard produces. The
'keymap' option can be used to install a whole number of them.
When entering a command line, langmap mappings are switched
off, since you are expected to type a command. After
switching it on with CTRL-^, the new state is not used again
for the next command or Search pattern.
{not in Vi}
For Emacs-style editing on the command-line see |emacs-keys|.
The <Up> and <Down> keys take the current command-line as a search string.
The beginning of the next/previous command-lines are compared with this
string. The first line that matches is the new command-line. When typing
these two keys repeatedly, the same string is used again. For example, this
can be used to find the previous substitute command: Type ":s" and then <Up>.
The same could be done by typing <S-Up> a number of times until the desired
command-line is shown. (Note: the shifted arrow keys do not work on all
terminals)
*his* *:history*
:his[tory] Print the history of last entered commands.
{not in Vi}
{not available when compiled without the |+cmdline_hist|
feature}
:his[tory] [{name}] [{first}][, [{last}]]
List the contents of history {name} which can be:
c[md] or : command-line history
s[earch] or / search string history
e[xpr] or = expression register history
i[nput] or @ input line history
d[ebug] or > debug command history
a[ll] all of the above
{not in Vi}
If the numbers {first} and/or {last} are given, the respective
range of entries from a history is listed. These numbers can
be specified in the following form:
*:history-indexing*
A positive number represents the absolute index of an entry
as it is given in the first column of a :history listing.
This number remains fixed even if other entries are deleted.
A negative number means the relative position of an entry,
counted from the newest entry (which has index -1) backwards.
Examples:
List entries 6 to 12 from the search history: >
:history / 6,12
<
List the recent five entries from all histories: >
:history all -5,
==============================================================================
2. Command-line completion *cmdline-completion*
When editing the command-line, a few commands can be used to complete the
word before the cursor. This is available for:
- Command names: At the start of the command-line.
- Tags: Only after the ":tag" command.
- File names: Only after a command that accepts a file name or a setting for
an option that can be set to a file name. This is called file name
completion.
- Options: Only after the ":set" command.
- Mappings: Only after a ":map" or similar command.
- Variable and function names: Only after a ":if", ":call" or similar command.
When Vim was compiled with the |+cmdline_compl| feature disabled, only file
names, directories and help items can be completed.
These are the commands that can be used:
*c_CTRL-D*
CTRL-D List names that match the pattern in front of the cursor.
When showing file names, directories are highlighted (see
'highlight' option). Names where 'suffixes' matches are moved
to the end.
The 'wildoptions' option can be set to "tagfile" to list the
file of matching tags.
*c_CTRL-I* *c_wildchar* *c_<Tab>*
'wildchar' option
A match is done on the pattern in front of the cursor. The
match (if there are several, the first match) is inserted
in place of the pattern. (Note: does not work inside a
macro, because <Tab> or <Esc> are mostly used as 'wildchar',
and these have a special meaning in some macros.) When typed
again and there were multiple matches, the next
match is inserted. After the last match, the first is used
again (wrap around).
The behavior can be changed with the 'wildmode' option.
*c_CTRL-N*
CTRL-N After using 'wildchar' which got multiple matches, go to next
match. Otherwise recall more recent command-line from history.
<S-Tab> *c_CTRL-P* *c_<S-Tab>*
CTRL-P After using 'wildchar' which got multiple matches, go to
previous match. Otherwise recall older command-line from
history. <S-Tab> only works with the GUI, on the Amiga and
with MS-DOS.
*c_CTRL-A*
CTRL-A All names that match the pattern in front of the cursor are
inserted.
*c_CTRL-L*
CTRL-L A match is done on the pattern in front of the cursor. If
there is one match, it is inserted in place of the pattern.
If there are multiple matches the longest common part is
inserted in place of the pattern. If the result is shorter
than the pattern, no completion is done.
The 'wildchar' option defaults to <Tab> (CTRL-E when in Vi compatible mode; in
a previous version <Esc> was used). In the pattern standard wildcards '*' and
'?' are accepted. '*' matches any string, '?' matches exactly one character.
If you like tcsh's autolist completion, you can use this mapping:
:cnoremap X <C-L><C-D>
(Where X is the command key to use, <C-L> is CTRL-L and <C-D> is CTRL-D)
This will find the longest match and then list all matching files.
If you like tcsh's autolist completion, you can use the 'wildmode' option to
emulate it. For example, this mimics autolist=ambiguous:
:set wildmode=longest,list
This will find the longest match with the first 'wildchar', then list all
matching files with the next.
*suffixes*
For file name completion you can use the 'suffixes' option to set a priority
between files with almost the same name. If there are multiple matches,
those files with an extension that is in the 'suffixes' option are ignored.
The default is ".bak,~,.o,.h,.info,.swp,.obj", which means that files ending
in ".bak", "~", ".o", ".h", ".info", ".swp" and ".obj" are sometimes ignored.
It is impossible to ignore suffixes with two dots. Examples:
pattern: files: match: ~
test* test.c test.h test.o test.c
test* test.h test.o test.h and test.o
test* test.i test.h test.c test.i and test.c
If there is more than one matching file (after ignoring the ones matching
the 'suffixes' option) the first file name is inserted. You can see that
there is only one match when you type 'wildchar' twice and the completed
match stays the same. You can get to the other matches by entering
'wildchar', CTRL-N or CTRL-P. All files are included, also the ones with
extensions matching the 'suffixes' option.
To completely ignore files with some extension use 'wildignore'.
The old value of an option can be obtained by hitting 'wildchar' just after
the '='. For example, typing 'wildchar' after ":set dir=" will insert the
current value of 'dir'. This overrules file name completion for the options
that take a file name.
If you would like using <S-Tab> for CTRL-P in an xterm, put this command in
your .cshrc: >
xmodmap -e "keysym Tab = Tab Find"
And this in your .vimrc: >
:cmap <Esc>[1~ <C-P>
==============================================================================
3. Ex command-lines *cmdline-lines*
The Ex commands have a few specialties:
*:quote*
'"' at the start of a line causes the whole line to be ignored. '"'
after a command causes the rest of the line to be ignored. This can be used
to add comments. Example: >
:set ai "set 'autoindent' option
It is not possible to add a comment to a shell command ":!cmd" or to the
":map" command and friends, because they see the '"' as part of their
argument.
*:bar* *:\bar*
'|' can be used to separate commands, so you can give multiple commands in one
line. If you want to use '|' in an argument, precede it with '\'.
These commands see the '|' as their argument, and can therefore not be
followed by another command:
:argdo
:autocmd
:bufdo
:command
:cscope
:debug
:folddoopen
:folddoclosed
:function
:global
:help
:helpfind
:make
:normal
:perl
:perldo
:promptfind
:promptrepl
:pyfile
:python
:registers
:read !
:scscope
:tcl
:tcldo
:tclfile
:vglobal
:windo
:write !
:[range]!
a user defined command without the "-bar" argument |:command|
Note that this is confusing (inherited from Vi): With ":g" the '|' is included
in the command, with ":s" it is not.
To be able to use another command anyway, use the ":execute" command.
Example (append the output of "ls" and jump to the first line): >
:execute 'r !ls' | '[
There is one exception: When the 'b' flag is present in 'cpoptions', with the
":map" and ":abbr" commands and friends CTRL-V needs to be used instead of
'\'. You can also use "<Bar>" instead. See also |map_bar|.
Examples: >
:!ls | wc view the output of two commands
:r !ls | wc insert the same output in the text
:%g/foo/p|> moves all matching lines one shiftwidth
:%s/foo/bar/|> moves one line one shiftwidth
:map q 10^V| map "q" to "10|"
:map q 10\| map \ l map "q" to "10\" and map "\" to "l"
(when 'b' is present in 'cpoptions')
You can also use <NL> to separate commands in the same way as with '|'. To
insert a <NL> use CTRL-V CTRL-J. "^@" will be shown. Using '|' is the
preferred method. But for external commands a <NL> must be used, because a
'|' is included in the external command. To avoid the special meaning of <NL>
it must be preceded with a backslash. Example: >
:r !date<NL>-join
This reads the current date into the file and joins it with the previous line.
Note that when the command before the '|' generates
|