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authorBram Moolenaar <Bram@vim.org>2004-06-13 20:20:40 +0000
committerBram Moolenaar <Bram@vim.org>2004-06-13 20:20:40 +0000
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tree221cbe3c40e043163c06f61c52a7ba2eb41e12ce /runtime/doc/cmdline.txt
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+*cmdline.txt* For Vim version 7.0aa. Last change: 2004 Mar 31
+
+
+ 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 special characters |cmdline-special|
+6. 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 four
+history tables:
+- one for ':' commands
+- one for search strings
+- one for expressions
+- one for input lines, typed for the |input()| function.
+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}
+
+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|
+ {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
+ 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.
+ *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 an error, the following
+commands will not be executed.
+
+
+Because of Vi compatibility the following strange commands are supported: >
+ :| print current line (like ":p")
+ :3| print line 3 (like ":3p")
+ :3 goto line 3
+
+A colon is allowed between the range and the command name. It is ignored
+(this is Vi compatible). For example: >
+ :1,$:s/pat/string
+
+When the character '%' or '#' is used where a file name is expected, they are
+expanded to the current and alternate file name (see the chapter "editing
+files" |:_%| |:_#|).
+
+Embedded spaces in file names are allowed on the Amiga if one file name is
+expected as argument. Trailing spaces will be ignored, unless escaped with a
+backslash or CTRL-V. Note that the ":next" command uses spaces to separate
+file names. Escape the spaces to include them in a file name. Example: >
+ :next foo\ bar goes\ to school\
+starts editing the three files "foo bar", "goes to" and "school ".
+
+When you want to use the special characters '"' or '|' in a command, or want
+to use '%' or '#' in a file name, precede them with a backslash. The
+backslash is not required in a range and in the ":substitute" command.
+
+ *:_!*
+The '!' (bang) character after an Ex command makes the command behave in a
+different way. The '!' should be placed immediately after the command, without
+any blanks in between. If you insert blanks the '!' will be seen as an
+argument for the command, which has a different meaning. For example:
+ :w! name write the current buffer to file "name", overwriting
+ any existing file
+ :w !name send the current buffer as standard input to command
+ "name"
+
+==============================================================================
+4. Ex command-line ranges *cmdline-ranges* *[range]* *E16* *E493*
+
+Some Ex commands accept a line range in front of them. This is noted as
+[range]. It consists of one or more line specifiers, separated with ',' or
+';'.
+
+The basics are explained in section |10.3| of the user manual.
+
+ *:,* *:;*
+When separated with ';' the cursor position will be set to that line
+before interpreting the next line specifier. This doesn't happen for ','.
+Examples: >
+ 4,/this line/
+< from line 4 till match with "this line" after the cursor line. >
+ 5;/that line/
+< from line 5 till match with "that line" after line 5.
+
+The default line specifier for most commands is the cursor position, but the
+commands ":write" and ":global" have the whole file (1,$) as default.
+
+If more line specifiers are given than required for the command, the first
+one(s) will be ignored.
+
+Line numbers may be specified with: *:range* *E14* *{address}*
+ {number} an absolute line number
+ . the current line *:.*
+ $ the last line in the file *:$*
+ % equal to 1,$ (the entire file) *:%*
+ 't position of mark t (lowercase) *:'*
+ 'T position of mark T (uppercase); when the mark is in
+ another file it cannot be used in a range
+ /{pattern}[/] the next line where {pattern} matches *:/*
+ ?{pattern}[?] the previous line where {pattern} matches *:?*
+ \/ the next line where the previously used search
+ pattern matches
+ \? the previous line where the previously used search
+ pattern matches
+ \& the next line where the previously used substitute
+ pattern matches
+
+Each may be followed (several times) by '+' or '-' and an optional number.
+This number is added or subtracted from the preceding line number. If the
+number is omitted, 1 is used.
+
+The "/" and "?" after {pattern} are required to separate the pattern from
+anything that follows.
+
+The "/" and "?" may be preceded with another address. The search starts from
+there. The difference from using ';' is that the cursor isn't moved.
+Examples: >
+ /pat1//pat2/ Find line containing "pat2" after line containing
+ "pat1", without moving the cursor.
+ 7;/pat2/ Find line containing "pat2", after line 7, leaving
+ the cursor in line 7.
+
+The {number} must be between 0 and the number of lines in the file. When
+using a 0 (zero) this is interpreted as a 1 by most commands. Commands that
+use it as a count do use it as a zero (|:tag|, |:pop|, etc). Some commands
+interpret the zero as "before the first line" (|:read|, search pattern, etc).
+
+Examples: >
+ .+3 three lines below the cursor
+ /that/+1 the line below the next line containing "that"
+ .,$ from current line until end of file
+ 0;/that the first line containing "that", also matches in the
+ first line.
+ 1;/that the first line after line 1 containing "that"
+
+Some commands allow for a count after the command. This count is used as the
+number of lines to be used, starting with the line given in the last line
+specifier (the default is the cursor line). The commands that accept a count
+are the ones that use a range but do not have a file name argument (because
+a file name can also be a number).
+
+Examples: >
+ :s/x/X/g 5 substitute 'x' by 'X' in the current line and four
+ following lines
+ :23d 4 delete lines 23, 24, 25 and 26
+
+
+Folds and Range
+
+When folds are active the line numbers are rounded off to include the whole
+closed fold. See |fold-behavior|.
+
+
+Reverse Range
+
+A range should have the lower line number first. If this is not the case, Vim
+will ask you if it should swap the line numbers. This is not done within the
+global command ":g".
+
+
+Count and Range *N:*
+
+When giving a count before entering ":", this is translated into:
+ :.,.+(count - 1)
+In words: The 'count' lines at and after the cursor. Example: To delete
+three lines: >
+ 3:d<CR> is translated into: .,.+2d<CR>
+<
+
+Visual Mode and Range *v_:*
+
+{Visual}: Starts a command-line with the Visual selected lines as a
+ range. The code ":'<,'>" is used for this range, which makes
+ it possible to select a similar line from the command-line
+ history for repeating a command on different Visually selected
+ lines.
+
+==============================================================================
+5. Ex special characters *cmdline-special*
+
+In Ex commands, at places where a file name can be used, the following
+characters have a special meaning. These can also be used in the expression
+function expand() |expand()|.
+ % is replaced with the current file name *:_%*
+ # is replaced with the alternate file name *:_#*
+ #n (where n is a number) is replaced with the file name of
+ buffer n. "#0" is the same as "#"
+ ## is replaced with all names in the argument list *:_##*
+ concatenated, separated by spaces. Each space in a name
+ is preceded with a backslash.
+Note that these give the file name as it was typed. If an absolute path is
+needed (when using the file name from a different directory), you need to add
+":p". See |filename-modifiers|.
+Note that backslashes are inserted before spaces, so that the command will
+correctly interpret the file name. But this doesn't happen for shell
+commands. For those you probably have to use quotes: >
+ :!ls "%"
+ :r !spell "%"
+
+To avoid the special meaning of '%' and '#' insert a backslash before it.
+Detail: The special meaning is always escaped when there is a backslash before
+it, no matter how many backslashes.
+ you type: result ~
+ # alternate.file
+ \# #
+ \\# \#
+
+ *:<cword>* *:<cWORD>* *:<cfile>* *<cfile>*
+ *:<sfile>* *<sfile>* *:<afile>* *<afile>*
+ *:<abuf>* *<abuf>* *:<amatch>* *<amatch>*
+ *E495* *E496* *E497* *E498* *E499* *E500*
+Note: these are typed literally, they are not special keys!
+ <cword> is replaced with the word under the cursor (like |star|)
+ <cWORD> is replaced with the WORD under the cursor (see |WORD|)
+ <cfile> is replaced with the path name under the cursor (like what
+ |gf| uses)
+ <afile> when executing autocommands, is replaced with the file name
+ for a file read or write
+ <abuf> when executing autocommands, is replaced with the currently
+ effective buffer number (for ":r file" it is the current
+ buffer, the file being read is not in a buffer).
+ <amatch> when executing autocommands, is replaced with the match for
+ which this autocommand was executed. It differs form
+ <afile> only when the file name isn't used to match with
+ (for FileType and Syntax events).
+ <sfile> when executing a ":source" command, is replaced with the
+ file name of the sourced file;
+ when executing a function, is replaced with
+ "function {function-name}"; function call nesting is
+ indicated like this:
+ "function {function-name1}..{function-name2}". Note that
+ filename-modifiers are useless when <sfile> is used inside
+ a function.
+
+ *filename-modifiers*
+ *:_%:* *::8* *::p* *::.* *::~* *::h* *::t* *::r* *::e* *::s* *::gs*
+The file name modifiers can be used after "%", "#", "#n", "<cfile>", "<sfile>",
+"<afile>" or "<abuf>". They are also used with the |fnamemodify()| function.
+These are not available when Vim has been compiled without the |+modify_fname|
+feature.
+These modifiers can be given, in this order:
+ :p Make file name a full path. Must be the first modifier. Also
+ changes "~/" (and "~user/" for Unix and VMS) to the path for
+ the home directory. If the name is a directory a path
+ separator is added at the end. For a file name that does not
+ exist and does not have an absolute path the result is
+ unpredictable.
+ :8 Converts the path to 8.3 short format (currently only on
+ win32). Will act on as much of a path that is an existing
+ path.
+ :~ Reduce file name to be relative to the home directory, if
+ possible. File name is unmodified if it is not below the home
+ directory.
+ :. Reduce file name to be relative to current directory, if
+ possible. File name is unmodified if it is not below the
+ current directory.
+ For maximum shortness, use ":~:.".
+ :h Head of the file name (the last component and any separators
+ removed). Cannot be used with :e, :r or :t.
+ Can be repeated to remove several components at the end.
+ When the file name ends in a path separator, only the path
+ separator is removed. Thus ":p:h" on a directory name results
+ on the directory name itself (without trailing slash).
+ When the file name is an absolute path (starts with "/" for
+ Unix; "x:\" for MS-DOS, WIN32, OS/2; "drive:" for Amiga), that
+ part is not removed. When there is no head (path is relative
+ to current directory) the result is empty.
+ :t Tail of the file name (last component of the name). Must
+ precede any :r or :e.
+ :r Root of the file name (the last extension removed). When
+ there is only an extension (file name that starts with '.',
+ e.g., ".vimrc"), it is not removed. Can be repeated to remove
+ several extensions (last one first).
+ :e Extension of the file name. Only makes sense when used alone.
+ When there is no extension the result is empty.
+ When there is only an extension (file name that starts with
+ '.'), the result is empty. Can be repeated to include more
+ extensions. If there are not enough extensions (but at least
+ one) as much as possible are included.
+ :s?pat?sub?
+ Substitute the first occurrence of "pat" with "sub". This
+ works like the |:s| command. "pat" is a regular expression.
+ Any character can be used for '?', but it must not occur in
+ "pat" or "sub".
+ After this, the previous modifiers can be used again. For
+ example ":p", to make a full path after the substitution.
+ :gs?pat?sub?
+ Substitute all occurrences of "path" with "sub". Otherwise
+ this works like ":s".
+
+Examples, when the file name is "src/version.c", current dir
+"/home/mool/vim": >
+ :p /home/mool/vim/src/version.c
+ :p:. src/version.c
+ :p:~ ~/vim/src/version.c
+ :h src
+ :p:h /home/mool/vim/src
+ :p:h:h /home/mool/vim
+ :t version.c
+ :p:t version.c
+ :r src/version
+ :p:r /home/mool/vim/src/version
+ :t:r version
+ :e c
+ :s?version?main? src/main.c
+ :s?version?main?:p /home/mool/vim/src/main.c
+ :p:gs?/?\\? \home\mool\vim\src\version.c
+
+Examples, when the file name is "src/version.c.gz": >
+ :p /home/mool/vim/src/version.c.gz
+ :e gz
+ :e:e c.gz
+ :e:e:e c.gz
+ :e:e:r c
+ :r src/version.c
+ :r:e c
+ :r:r src/version
+ :r:r:r src/version
+<
+ *extension-removal* *:_%<*
+If a "<" is appended to "%", "#", "#n" or "CTRL-V p" the extension of the file
+name is removed (everything after and including the last '.' in the file
+name). This is included for backwards compatibility with version 3.0, the
+":r" form is preferred. Examples: >
+
+ % current file name
+ %< current file name without extension
+ # alternate file name for current window
+ #< idem, without extension
+ #31 alternate file number 31
+ #31< idem, without extension
+ <cword> word under the cursor
+ <cWORD> WORD under the cursor (see |WORD|)
+ <cfile> path name under the cursor
+ <cfile>< idem, without extension
+
+Note: Where a file name is expected wildcards expansion is done. On Unix the
+shell is used for this, unless it can be done internally (for speed).
+Backticks also work, like in >
+ :n `echo *.c`
+(backtick expansion is not possible in |restricted-mode|)
+But expansion is only done if there are any wildcards before expanding the
+'%', '#', etc.. This avoids expanding wildcards inside a file name. If you
+want to expand the result of <cfile>, add a wildcard character to it.
+Examples: (alternate file name is "?readme?")
+ command expands to ~
+ :e # :e ?readme?
+ :e `ls #` :e {files matching "?readme?"}
+ :e #.* :e {files matching "?readme?.*"}
+ :cd <cfile> :cd {file name under cursor}
+ :cd <cfile>* :cd {file name under cursor plus "*" and then expanded}
+
+When the expanded argument contains a "!" and it is used for a shell command
+(":!cmd", ":r !cmd" or ":w !cmd"), it is escaped with a backslash to avoid it
+being expanded into a previously used command. When the 'shell' option
+contains "sh", this is done twice, to avoid the shell trying to expand the
+"!".
+
+ *filename-backslash*
+For filesystems that use a backslash as directory separator (MS-DOS, Windows,
+OS/2), it's a bit difficult to recognize a backslash that is used to escape
+the special meaning of the next character. The general rule is: If the
+backslash is followed by a normal file name character, it does not have a
+special meaning. Therefore "\file\foo" is a valid file name, you don't have
+to type the backslash twice.
+
+An exception is the '$' sign. It is a valid character in a file name. But
+to avoid a file name like "$home" to be interpreted as an environment variable,
+it needs to be preceded by a backslash. Therefore you need to use "/\$home"
+for the file "$home" in the root directory. A few examples:
+
+ FILE NAME INTERPRETED AS ~
+ $home expanded to value of environment var $home
+ \$home file "$home" in current directory
+ /\$home file "$home" in root directory
+ \\$home file "\\", followed by expanded $home
+
+==============================================================================
+6. Command-line window *cmdline-window* *cmdwin*
+
+In the command-line window the command line can be edited just like editing
+text in any window. It is a special kind of window, because you cannot leave
+it in a normal way.
+{not available when compiled without the |+cmdline_hist| or |+vertsplit|
+feature}
+
+
+OPEN
+
+There are two ways to open the command-line window:
+1. From Command-line mode, use the key specified with the 'cedit' option.
+ The default is CTRL-F when 'compatible' is not set.
+2. From Normal mode, use the "q:", "q/" or "q?" command. *q:* *q/* *q?*
+ This starts editing an Ex command-line ("q:") or search string ("q/" or
+ "q?"). Note that this is not possible while recording is in progress (the
+ "q" stops recording then).
+
+When the window opens it is filled with the command-line history. The last
+line contains the command as typed so far. The left column will show a
+character that indicates the type of command-line being edited, see
+|cmdwin-char|.
+
+Vim will be in Normal mode when the editor is opened, except when 'insertmode'
+is set.
+
+The height of the window is specified with 'cmdwinheight' (or smaller if there
+is no room). The window is always full width and is positioned just above the
+command-line.
+
+
+EDIT
+
+You can now use commands to move around and edit the text in the window. Both
+in Normal mode and Insert mode.
+
+It is possible to use ":", "/" and other commands that use the command-line,
+but it's not possible to open another command-line window then. There is no
+nesting.
+ *E11*
+The command-line window is not a normal window. It is not possible to move to
+another window or edit another buffer. All commands that would do this are
+disabled in the command-line window. Of course it _is_ possible to execute
+any command that you entered in the command-line window.
+
+
+CLOSE *E199*
+
+There are several ways to leave the command-line window:
+
+<CR> Execute the command-line under the cursor. Works both in
+ Insert and in Normal mode.
+CTRL-C Continue in Command-line mode. The command-line under the
+ cursor is used as the command-line. Works both in Insert and
+ in Normal mode. ":close" also works. There is no redraw,
+ thus the window will remain visible.
+:quit Discard the command line and go back to Normal mode.
+ ":exit", ":xit" and CTRL-\ CTRL-N also work.
+:qall Quit Vim, unless there are changes in some buffer.
+:qall! Quit Vim, discarding changes to any buffer.
+
+Once the command-line window is closed the old window sizes are restored. The
+executed command applies to the window and buffer where the command-line was
+started from. This works as if the command-line window was not there, except
+that there will be an extra screen redraw.
+The buffer used for the command-line window is deleted. Any changes to lines
+other than the one that is executed with <CR> are lost.
+
+
+VARIOUS
+
+The command-line window cannot be used:
+- when there already is a command-line window (no nesting)
+- for entering a encryption key or when using inputsecret()
+- when Vim was not compiled with the +vertsplit feature
+
+Some options are set when the command-line window is opened:
+'filetype' "vim", when editing an Ex command-line; this starts Vim syntax
+ highlighting if it was enabled
+'rightleft' off
+'modifiable' on
+'buftype' "nofile"
+'swapfile' off
+
+It is allowed to write the buffer contents to a file. This is an easy way to
+save the command-line history and read it back later.
+
+If the 'wildchar' option is set to <Tab>, and the command-line window is used
+for an Ex command, then two mappings will be added to use <Tab> for completion
+in the command-line window, like this: >
+ :imap <buffer> <Tab> <C-X><C-V>
+ :nmap <buffer> <Tab> a<C-X><C-V>
+Note that hitting <Tab> in Normal mode will do completion on the next
+character. That way it works at the end of the line.
+If you don't want these mappings, disable them with: >
+ au CmdwinEnter [:>] iunmap <Tab>
+ au CmdwinEnter [:>] nunmap <Tab>
+You could put these lines in your vimrc file.
+
+While in the command-line window you cannot use the mouse to put the cursor in
+another window, or drag statuslines of other windows. You can drag the
+statusline of the command-line window itself and the statusline above it.
+Thus you can resize the command-line window, but not others.
+
+
+AUTOCOMMANDS
+
+Two autocommand events are used: |CmdwinEnter| and |CmdwinLeave|. Since this
+window is of a special type, the WinEnter, WinLeave, BufEnter and BufLeave
+events are not triggered. You can use the Cmdwin events to do settings
+specifically for the command-line window. Be careful not to cause side
+effects!
+Example: >
+ :au CmdwinEnter : let b:cpt_save = &cpt | set cpt=v
+ :au CmdwinLeave : let &cpt = b:cpt_save
+This sets 'complete' to use command-line completion in Insert mode for CTRL-N.
+Another example: >
+ :au CmdwinEnter [/?] startinsert
+This will make Vim start in Insert mode in the command-line window.
+
+ *cmdwin-char*
+The character used for the pattern indicates the type of command-line:
+ : normal Ex command
+ > debug mode command |debug-mode|
+ / forward search string
+ ? backward search string
+ = expression for "= |expr-register|
+ @ string for |input()|
+ - text for |:insert| or |:append|
+
+ vim:tw=78:ts=8:ft=help:norl: