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IntelliJ-IdeaVim/help/txt/various.txt
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*various.txt* For IdeaVim version @VERSION@. Last change: 2006 Nov 12
IdeaVim REFERENCE MANUAL by Rick Maddy
Various commands *various*
1. Various commands |various-cmds|
2. Online help |online-help|
3. Printing |printing|
4. Using Vim like less or more |less|
==============================================================================
1. Various commands *various-cmds*
<!--
*CTRL-L*
CTRL-L Clear and redraw the screen (later).
*:redr* *:redraw*
:redr[aw][!] Redraw the screen right now. When ! is included it is
cleared first.
Useful to update the screen halfway executing a script
or function. Also when halfway a mapping and
'lazyredraw' is set.
-->
*N<Del>*
<Del> When entering a number: Remove the last digit.
<!--
Note: if you like to use <BS> for this, add this
mapping to your .vimrc:
:map CTRL-V <BS> CTRL-V <Del>
See |:fixdel| if your <Del> key does not do what you
want.
-->
:as[cii] or *ga* *:as* *:ascii*
ga Print the ascii value of the character under the
cursor in decimal, hexadecimal and octal. For
example, when the cursor is on a 'R':
<R> 82, Hex 52, Octal 122 ~
When the character is a non-standard ASCII character,
but printable according to the 'isprint' option, the
non-printable version is also given. When the
character is larger than 127, the <M-x> form is also
printed. For example:
<~A> <M-^A> 129, Hex 81, Octal 201
<p> <|~> <M-~> 254, Hex fe, Octal 376
(where <p> is a special character)
The <Nul> character in a file is stored internally as
<NL>, but it will be shown as:
<^@> 0, Hex 00, Octal 000
Mnemonic: Get Ascii value.
*g8*
g8 Print the hex values of the bytes used in the
character under the cursor, assuming it is in |UTF-8|
encoding. This also shows composing characters.
Example of a character with three composing
characters: >
e0 b8 81 + e0 b8 b9 + e0 b9 89
<
<!--
*:p* *:pr* *:print*
:[range]p[rint] Print [range] lines (default current line).
Note: If you are looking for a way to print your text
file, you need an external program for that. In the
GUI you can use the File.Print menu entry.
(For printing on paper see |:hardcopy|)
:[range]p[rint] {count}
Print {count} lines, starting with [range] (default
current line |cmdline-ranges|).
*:P* *:Print*
:[range]P[rint] [count]
Just as ":print". Was apparently added to Vi for
people that keep the shift key pressed too long...
*:l* *:list*
:[range]l[ist] [count]
Same as :print, but display unprintable characters
with '^'.
*:nu* *:number*
:[range]nu[mber] [count]
Same as :print, but precede each line with its line
number. (See also 'highlight' option).
*:#*
:[range]# [count] synonym for :number.
*:z* *E144*
:{range}z[+-^.=]{count} Display several lines of text surrounding the line
specified with {range}, or around the current line
if there is no {range}. If there is a {count}, that's
how many lines you'll see; otherwise, the current
window size is used.
:z can be used either alone or followed by any of
several punctuation marks. These have the following
effect:
mark first line last line new location ~
---- ---------- --------- ------------
+ current line 1 scr forward 1 scr forward
- 1 scr back current line current line
^ 2 scr back 1 scr back 1 scr back
. 1/2 scr back 1/2 scr fwd 1/2 src fwd
= 1/2 src back 1/2 scr fwd current line
Specifying no mark at all is the same as "+".
If the mark is "=", a line of dashes is printed
around the current line.
:{range}z#[+-^.=]{count} *:z#*
Like ":z", but number the lines.
{not in all versions of Vi, not with these arguments}
*:=*
:= Print the cursor line number.
:{range}= Prints the last line number in {range}.
:norm[al][!] {commands} *:norm* *:normal*
Execute Normal mode commands {commands}. This makes
it possible to execute Normal mode commands typed on
the command-line. {commands} is executed like it is
typed. For undo all commands are undone together.
If the [!] is given, mappings will not be used.
{commands} should be a complete command. If
{commands} does not finish a command, the last one
will be aborted as if <Esc> or <C-C> was typed.
The display isn't updated while ":normal" is busy.
This implies that an insert command must be completed
(to start Insert mode, see |:startinsert|). A ":"
command must be completed as well.
{commands} cannot start with a space. Put a 1 (one)
before it, 1 space is one space.
The 'insertmode' option is ignored for {commands}.
This command cannot be followed by another command,
since any '|' is considered part of the command.
This command can be used recursively, but the depth is
limited by 'maxmapdepth'.
When this command is called from a non-remappable
mapping |:noremap|, the argument can be mapped anyway.
An alternative is to use |:execute|, which uses an
expression as argument. This allows the use of
printable characters. Example: >
:exe "normal \<c-w>\<c-w>"
<
{not available when the |+ex_extra| feature was
disabled at compile time}
:{range}norm[al][!] {commands} *:normal-range*
Execute Normal mode commands {commands} for each line
in the {range}. Before executing the {commands}, the
cursor is positioned in the first column of the range,
for each line. Otherwise it's the same as the
":normal" command without a range.
*:sh* *:shell* *E371*
:sh[ell] This command starts a shell. When the shell exits
(after the "exit" command) you return to Vim. The
name for the shell command comes from 'shell' option.
*E360*
Note: This doesn't work when Vim on the Amiga was
started in QuickFix mode from a compiler, because the
compiler will have set stdin to a non-interactive
mode.
-->
*:!cmd* *:!* *E34*
:!{cmd} Execute {cmd} with the shell. See also the 'shell'
and 'shelltype' option.
Any '!' in {cmd} is replaced with the previous
external command (see also 'cpoptions'). But not when
there is a backslash before the '!', then that
backslash is removed. Example: ":!ls" followed by
":!echo ! \! \\!" executes "echo ls ! \!".
After the command has been executed, the timestamp of
the current file is checked |timestamp|.
There cannot be a '|' in {cmd}, see |:bar|.
A newline character ends {cmd}, what follows is
interpreted as a following ":" command. However, if
there is a backslash before the newline it is removed
and {cmd} continues. It doesn't matter how many
backslashes are before the newline, only one is
removed.
On Unix the command normally runs in a non-interactive
shell. If you want an interactive shell to be used
(to use aliases) set 'shellcmdflag' to "-ic".
<!--
For Win32 also see |:!start|.
Vim redraws the screen after the command is finished,
because it may have printed any text. This requires a
hit-enter prompt, so that you can read any messages.
To avoid this use: >
:silent !{cmd}
< The screen is not redrawn then, thus you have to use
CTRL-L or ":redraw!" if the command did display
something.
Also see |shell-window|.
-->
*:!!*
:!! Repeat last ":!{cmd}".
<!--
*:ve* *:version*
:ve[rsion] Print the version number of the editor. If the
compiler used understands "__DATE__" the compilation
date is mentioned. Otherwise a fixed release-date is
shown.
The following lines contain information about which
features were enabled when Vim was compiled. When
there is a preceding '+', the feature is included,
when there is a '-' it is excluded. To change this,
you have to edit feature.h and recompile Vim.
To check for this in an expression, see |has()|.
Here is an overview of the features.
The first column shows the smallest version in which
they are included:
T tiny
S small
N normal
B big
H huge
m manually enabled or depends on other features
(none) system dependent
Thus if a feature is marked with "N", it is included
in the normal, big and huge versions of Vim.
*+feature-list*
*+ARP* Amiga only: ARP support included
B *+arabic* |Arabic| language support
N *+autocmd* |:autocmd|, automatic commands
m *+balloon_eval* |balloon-eval| support
N *+browse* |:browse| command
N *+builtin_terms* some terminals builtin |builtin-terms|
B *++builtin_terms* maximal terminals builtin |builtin-terms|
N *+byte_offset* support for 'o' flag in 'statusline' option, "go"
and ":goto" commands.
N *+cindent* |'cindent'|, C indenting
N *+clientserver* Unix and Win32: Remote invocation |clientserver|
*+clipboard* |clipboard| support
N *+cmdline_compl* command line completion |cmdline-completion|
N *+cmdline_hist* command line history |cmdline-history|
N *+cmdline_info* |'showcmd'| and |'ruler'|
N *+comments* |'comments'| support
N *+cryptv* encryption support |encryption|
B *+cscope* |cscope| support
N *+dialog_gui* Support for |:confirm| with GUI dialog.
N *+dialog_con* Support for |:confirm| with console dialog.
N *+dialog_con_gui* Support for |:confirm| with GUI and console dialog.
N *+diff* |vimdiff| and 'diff'
N *+digraphs* |digraphs| *E196*
*+dnd* Support for DnD into the "~ register |quote_~|.
B *+emacs_tags* |emacs-tags| files
N *+eval* expression evaluation |eval.txt|
N *+ex_extra* Vim's extra Ex commands: |:center|, |:left|,
|:normal|, |:retab| and |:right|
N *+extra_search* |'hlsearch'| and |'incsearch'| options.
B *+farsi* |farsi| language
N *+file_in_path* |gf|, |CTRL-W_f| and |<cfile>|
N *+find_in_path* include file searches: |[I|, |:isearch|,
|CTRL-W_CTRL-I|, |:checkpath|, etc.
N *+folding* |folding|
*+footer* |gui-footer|
*+fork* Unix only: |fork| shell commands
N *+gettext* message translations |multi-lang|
*+GUI_Athena* Unix only: Athena |GUI|
*+GUI_neXtaw* Unix only: neXtaw |GUI|
*+GUI_BeOS* BeOS only: BeOS |GUI|
*+GUI_GTK* Unix only: GTK+ |GUI|
*+GUI_Motif* Unix only: Motif |GUI|
*+GUI_Photon* QNX only: Photon |GUI|
m *+hangul_input* Hangul input support |hangul|
*+iconv* Compiled with the |iconv()| function, may have |/dyn|
N *+insert_expand* |insert_expand| Insert mode completion
N *+jumplist* |jumplist|
B *+keymap* |'keymap'|
B *+langmap* |'langmap'|
N *+libcall* |libcall()|
N *+linebreak* |'linebreak'|, |'breakat'| and |'showbreak'|
N *+lispindent* |'lisp'|
N *+listcmds* Vim commands for the list of buffers |buffer-hidden|
and argument list |:argdelete|
N *+localmap* Support for mappings local to a buffer |:map-local|
N *+menu* |:menu|
N *+mksession* |:mksession|
N *+modify_fname* |filename-modifiers|
N *+mouse* Mouse handling |mouse-using|
N *+mouseshape* |'mouseshape'|
B *+mouse_dec* Unix only: Dec terminal mouse handling |dec-mouse|
N *+mouse_gpm* Unix only: Linux console mouse handling |gpm-mouse|
B *+mouse_netterm* Unix only: netterm mouse handling |netterm-mouse|
N *+mouse_pterm* QNX only: pterm mouse handling |qnx-terminal|
N *+mouse_xterm* Unix only: xterm mouse handling |xterm-mouse|
B *+multi_byte* Korean and other languages |multibyte|
*+multi_byte_ime* Win32 input method for multibyte chars |multibyte-ime|
N *+multi_lang* non-English language support |multi-lang|
m *+netbeans_intg* |netbeans|
m *+ole* Win32 GUI only: |ole-interface|
*+osfiletype* Support for the 'osfiletype' option and filetype
checking in automatic commands. |autocmd-osfiletypes|
N *+path_extra* Up/downwards search in 'path' and 'tags'
m *+perl* Perl interface |perl|, may have |/dyn|
*+postscript* |:hardcopy| writes a PostScript file
N *+printer* |:hardcopy| command
m *+python* Python interface |python|, may have |/dyn|
N *+quickfix* |:make| and |quickfix| commands
B *+rightleft* Right to left typing |'rightleft'|
m *+ruby* Ruby interface |ruby|, may have |/dyn|
N *+scrollbind* |'scrollbind'|
B *+signs* |:sign|
N *+smartindent* |'smartindent'|
m *+sniff* SniFF interface (no docs available...)
N *+statusline* Options 'statusline', 'rulerformat' and special
formats of 'titlestring' and 'iconstring'
m *+sun_workshop* |workshop|
N *+syntax* Syntax highlighting |syntax|
*+system()* Unix only: opposite of |+fork|
N *+tag_binary* binary searching in tags file |tag-binary-search|
N *+tag_old_static* old method for static tags |tag-old-static|
m *+tag_any_white* any white space allowed in tags file |tag-any-white|
m *+tcl* Tcl interface |tcl|, may have |/dyn|
*+terminfo* uses |terminfo| instead of termcap
N *+termresponse* support for |t_RV| and |v:termresponse|
N *+textobjects* |text-objects| selection
*+tgetent* non-Unix only: able to use external termcap
N *+title* Setting the window title |'title'|
N *+toolbar* |gui-toolbar|
N *+user_commands* User-defined commands. |user-commands|
N *+viminfo* |'viminfo'|
N *+vertsplit* Vertically split windows |:vsplit|
N *+virtualedit* |'virtualedit'|
S *+visual* Visual mode |Visual-mode|
N *+visualextra* extra Visual mode commands |blockwise-operators|
N *+vreplace* |gR| and |gr|
N *+wildignore* |'wildignore'|
N *+wildmenu* |'wildmenu'|
S *+windows* more than one window
m *+writebackup* |'writebackup'| is default on
m *+xim* X input method |xim|
*+xfontset* X fontset support |xfontset|
*+xsmp* XSMP (X session management) support
*+xsmp_interact* interactive XSMP (X session management) support
N *+xterm_clipboard* Unix only: xterm clipboard handling
m *+xterm_save* save and restore xterm screen |xterm-screens|
N *+X11* Unix only: can restore window title |X11|
*/dyn* *E370* *E448*
To some of the features "/dyn" is added when the
feature is only available when the related library can
be dynamically loaded.
:ve[rsion] {nr} Is now ignored. This was previously used to check the
version number of a .vimrc file. It was removed,
because you can now use the ":if" command for
version-dependent behavior.
*:redi* *:redir*
:redi[r][!] > {file} Redirect messages to file {file}. The messages which
are the output of commands are written to that file,
until redirection ends. The messages are also still
shown on the screen. When [!] is included, an
existing file is overwritten. When [!] is omitted,
and {file} exists, this command fails.
Only one ":redir" can be active at a time. Calls to
":redir" will close any active redirection before
starting redirection to the new target.
To stop the messages and commands from being echoed to
the screen, put the commands in a function and call it
with ":silent call Function()".
:redi[r] >> {file} Redirect messages to file {file}. Append if {file}
already exists.
:redi[r] @{a-zA-Z} Redirect messages to register {a-z}. Append to the
contents of the register if its name is given
uppercase {A-Z}.
:redi[r] @* Redirect messages to the clipboard.
:redi[r] @" Redirect messages to the unnamed register.
:redi[r] END End redirecting messages.
*:sil* *:silent*
:sil[ent][!] {command} Execute {command} silently. Normal messages will not
be given or added to the message history.
When [!] is added, error messages will also be
skipped, and commands and mappings will not be aborted
when an error is detected. |v:errmsg| is still set.
When [!] is not used, an error message will cause
further messages to be displayed normally.
Redirection, started with |:redir|, will continue as
usual, although there might be small differences.
This will allow redirecting the output of a command
without seeing it on the screen. Example: >
:redir >/tmp/foobar
:silent g/Aap/p
:redir END
< To execute a Normal mode command silently, use the
|:normal| command. For example, to search for a
string without messages: >
:silent exe "normal /path\<CR>"
< ":silent!" is useful to execute a command that may
fail, but the failure is to be ignored. Example: >
:let v:errmsg = ""
:silent! /^begin
:if v:errmsg != ""
: ... pattern was not found
< ":silent" will also avoid the hit-enter prompt. When
using this for an external command, this may cause the
screen to be messed up. Use |CTRL-L| to clean it up
then.
":silent menu ..." defines a menu that will not echo a
Command-line command. The command will still produce
messages though. Use ":silent" in the command itself
to avoid that: ":silent menu .... :silent command".
*:verb* *:verbose*
:[count]verb[ose] {command}
Execute {command} with 'verbose' set to [count]. If
[count] is omitted one is used.
The additional use of ":silent" makes messages
generated but not displayed.
The combination of ":silent" and ":verbose" can be
used to generate messages and check them with
|v:statusmsg| and friends. For example: >
:let v:statusmsg = ""
:silent verbose runtime foobar.vim
:if v:statusmsg != ""
: " foobar.vim could not be found
:endif
< When concatenating another command, the ":verbose"
only applies to the first one: >
:4verbose set verbose | set verbose
< verbose=4 ~
verbose=0 ~
-->
*K*
K Opens the Quick Javadoc for the keyword under the
cursor.
<!--
K Run a program to lookup the keyword under the
cursor. The name of the program is given with the
'keywordprg' (kp) option (default is "man"). The
keyword is formed of letters, numbers and the
characters in 'iskeyword'. The keyword under or
right of the cursor is used. The same can be done
with the command >
:!{program} {keyword}
< There is an example of a program to use in the tools
directory of Vim. It is called 'ref' and does a
simple spelling check.
Special cases:
- If 'keywordprg' is empty, the ":help" command is
used. It's a good idea to include more characters
in 'iskeyword' then, to be able to find more help.
- When 'keywordprg' is equal to "man", a count before
"K" is inserted after the "man" command and before
the keyword. For example, using "2K" while the
cursor is on "mkdir", results in: >
!man 2 mkdir
< - When 'keywordprg' is equal to "man -s", a count
before "K" is inserted after the "-s". If there is
no count, the "-s" is removed.
*v_K*
{Visual}K Like "K", but use the visually highlighted text for
the keyword. Only works when the highlighted text is
not more than one line.
[N]gs *gs* *:sl* *:sleep*
:[N]sl[eep] [N] [m] Do nothing for [N] seconds. When [m] is included,
sleep for [N] milliseconds. The count for "gs" always
uses seconds. The default is one second. >
:sleep "sleep for one second
:5sleep "sleep for five seconds
:sleep 100m "sleep for a hundred milliseconds
10gs "sleep for ten seconds
< Can be interrupted with CTRL-C (CTRL-Break on MS-DOS).
"gs" stands for "goto sleep". While sleeping the
cursor is positioned in the text (if visible). {not
in Vi}
*g_CTRL-A*
g CTRL-A Only when Vim was compiled with MEM_PROFILING defined
(which is very rare): print memory usage statistics.
Only useful for debugging Vim.
-->
==============================================================================
2. Online help *online-help*
*help* *<Help>* *:h* *:help* *<F1>* *i_<F1>* *i_<Help>*
<Help> or
:h[elp] Open the IDE Help Topics window.
<!--
:h[elp] Open a window and display the help file in read-only
mode. If there is a help window open already, use
that one. Otherwise, if the current window uses the
full width of the screen or is at least 80 characters
wide, the help window will appear just above the
current window. Otherwise the new window is put at
the very top.
-->
*{subject}* *E149*
:h[elp] {subject} Like ":help", additionally jump to the tag {subject}.
<!--
{subject} can include wildcards like "*", "?" and
"[a-z]":
:help z? jump to help for any "z" command
:help z. jump to the help for "z."
If there is no full match for the pattern, or there
are several matches, the "best" match will be used.
A sophisticated algorithm is used to decide which
match is better than another one. These items are
considered in the computation:
- A match with same case is much better than a match
with different case.
- A match that starts after a non-alphanumeric
character is better than a match in the middle of a
word.
- A match at or near the beginning of the tag is
better than a match further on.
- The more alphanumeric characters match, the better.
- The shorter the length of the match, the better.
Note that the longer the {subject} you give, the less
matches will be found. You can get an idea how this
all works by using commandline completion (type CTRL-D
after ":help subject").
If there are several matches, you can have them listed
by hitting CTRL-D. Example: >
:help cont<Ctrl-D>
< To use a regexp |pattern|, first do ":help" and then
use ":tag {pattern}" in the help window. The
":tnext" command can then be used to jump to other
matches, "tselect" to list matches and choose one. >
:help index| :tse z.
< This command can be followed by '|' and another
command, but you don't need to escape the '|' inside a
help command. So these both work: >
:help |
:help k| only
< Note that a space before the '|' is seen as part of
the ":help" argument.
You can also use <LF> or <CR> to separate the help
command from a following command. You need to type
CTRL-V first to insert the <LF> or <CR>. Example: >
:help so<C-V><CR>only
<
-->
<!--
*:helpg* *:helpgrep*
:helpg[rep] {pattern}
Search all help text files and make a list of lines
in which {pattern} matches. Jumps to the first match.
You can navigate through the matches with the
|quickfix| commands, e.g., |:cnext| to jump to the
next one. Or use |:cwindow| to get the list of
matches in the quickfix window.
{pattern} is used as a Vim regexp |pattern|.
'ignorecase' is not used, add "\c" to ignore case.
Example for case sensitive search: >
:helpgrep Uganda
< Example for case ignoring search: >
:helpgrep uganda\c
< Cannot be followed by another command, everything is
used as part of the pattern. But you can use
|:execute| when needed.
When no argument is given to |:help| the file given with the 'helpfile' option
will be opened. Otherwise the specified tag is searched for in all "doc/tags"
files in the directories specified in the 'runtimepath' option.
The initial height of the help window can be set with the 'helpheight' option
(default 20).
Jump to specific subjects by using tags. This can be done in two ways:
- Use the "CTRL-]" command while standing on the name of a command or option.
This only works when the tag is a keyword. "<C-Leftmouse>" and
"g<LeftMouse>" work just like "CTRL-]".
- use the ":ta {subject}" command. This also works with non-keyword
characters.
Use CTRL-T or CTRL-O to jump back.
Use ":q" to close the help window.
If there are several matches for an item you are looking for, this is how you
can jump to each one of them:
1. Open a help window
2. Use the ":tag" command with a slash prepended to the tag. E.g.: >
:tag /min
3. Use ":tnext" to jump to the next matching tag.
It is possible to add help files for plugins and other items. You don't need
to change the distributed help files for that. See |add-local-help|.
To write a local help file, see |write-local-help|.
Note that the title lines from the local help files are automagically added to
the "LOCAL ADDITIONS" section in the "help.txt" help file |local-additions|.
This is done when viewing the file in Vim, the file itself is not changed. It
is done by going through all help files and obtaining the first line of each
file. The files in $VIMRUNTIME/doc are skipped.
*help-xterm-window*
If you want to have the help in another xterm window, you could use this
command:
:!xterm -e vim +help &
*:helpfind* *:helpf*
:helpf[ind] Like |:help|, but use a dialog to enter the argument.
Only for backwards compatibilty. It now executes the
ToolBar.HelpFind menu entry instead of using a builtin
dialog. {only when compiled with |+GUI_GTK|}
*:helpt* *:helptags* *E154* *E150* *E151* *E152* *E153*
:helpt[ags] {dir} Generate the help tags file for directory {dir}. All
"*.txt" files in the directory are scanned for a help
tag definition in between stars. The generated tags
file is sorted. When there are duplicates an error
message is given. An existing tags file is silently
overwritten.
-->
==============================================================================
3. Printing *printing*
This information does not apply to IdeaVim.
<!--
On MS-Windows Vim can print your text on any installed printer. On other
systems a PostScript file is produced. This can be directly sent to a
PostScript printer. For other printers a program like ghostscript needs to be
used.
3.1 PostScript Printing |postscript-printing|
3.2 PostScript Printing Encoding |postscript-print-encoding|
3.3 PostScript Printing Troubleshooting |postscript-print-trouble|
3.4 PostScript Utilities |postscript-print-util|
3.5 Formfeed Characters |printing-formfeed|
*:ha* *:hardcopy* *E237* *E238* *E324*
:[range]ha[rdcopy][!] [arguments]
Send [range] lines (default whole file) to the
printer.
On MS-Windows a dialog is displayed to allow selection
of printer, paper size etc. To skip the dialog, use
the [!]. In this case the printer defined by
'printdevice' is used, or, if 'printdevice' is empty,
the system default printer.
For systems other than MS-Windows, PostScript is
written in a temp file and 'printexpr' is used to
actually print it. Then [arguments] can be used by
'printexpr' through |v:cmdarg|. Otherwise [arguments]
is ignored. 'printoptions' can be used to specify
paper size, duplex, etc.
:[range]ha[rdcopy][!] >{filename}
As above, but write the resulting PostScript in file
{filename}.
Things like "%" are expanded |cmdline-special|
Careful: An existing file is silently overwritten.
{only available when compiled with the |+postscript|
feature}
On MS-Windows use the "print to file" feature of the
printer driver.
Progress is displayed during printing as a page number and a percentage. To
abort printing use the interrupt key (CTRL-C or, on MS-systems, CTRL-Break).
Printer output is controlled by the 'printfont' and 'printoptions' options.
'printheader' specifies the format of a page header.
The printed file is always limited to the selected margins, irrespective of
the current window's 'wrap' or 'linebreak' settings. The "wrap" item in
'printoptions' can be used to switch wrapping off.
The current highlighting colors are used in the printout, with the following
considerations:
1) The normal background is always rendered as white (i.e. blank paper.)
2) White text or the default foreground is rendered as black, so that it shows
up!
3) If 'background' is "dark", then the colours are darkened to compensate for
the fact that otherwise they would be too bright to show up clearly on
white paper.
3.1 PostScript Printing *postscript-printing*
*E455* *E456* *E457* *E624*
Provided you have enough disk space there should be no problems generating a
PostScript file. You need to have the runtime files correctly installed (if
you can find the help files, they probably are).
There are currently a number of limitations with PostScript printing:
- 'printfont' - The font name is ignored (the Courier family is always used -
it should be available on all PostScript printers) but the font size is
used.
- 'printoptions' - The duplex setting is used when generating PostScript
output, but it is up to the printer to take notice of the setting. If the
printer does not support duplex printing then it should be silently ignored.
Some printers, however, don't print at all.
- 8-bit support - While a number of 8-bit print character encodings are
supported it is possible that some characters will not print. Whether a
character will print depends on the font in the printer knowing the
character. Missing characters will be replaced with an upside down question
mark, or a space if that character is also not known by the font. It may be
possible to get all the characters in an encoding to print by installing a
new version of the Courier font family.
- Multi-byte support - Currently VIM will try to convert multi-byte characters
to the 8-bit encoding specified by 'printencoding' (or latin1 if it is
empty). Any characters that are not successfully converted are shown as
unknown characters. Printing will fail if VIM cannot convert the multi-byte
to the 8-bit encoding.
3.2 Custom 8-bit Print Character Encodings *postscript-print-encoding*
*E618* *E619*
To use your own print character encoding when printing 8-bit character data
you need to define your own PostScript font encoding vector. Details on how
to to define a font encoding vector is beyond the scope of this help file, but
you can find details in the PostScript Language Reference Manual, 3rd Edition,
published by Addison-Wesley and available in PDF form at
http://www.adobe.com/. The following describes what you need to do for VIM to
locate and use your print character encoding.
i. Decide on a unique name for your encoding vector, one that does not clash
with any of the recognized or standard encoding names that VIM uses (see
|encoding-names| for a list), and that no one else is likely to use.
ii. Copy $VIMRUNTIME/print/latin1.ps to the print subdirectory in your
'runtimepath' and rename it with your unique name.
iii. Edit your renamed copy of latin1.ps, replacing all occurences of latin1
with your unique name (don't forget the line starting %%Title:), and
modify the array of glyph names to define your new encoding vector. The
array must have exactly 256 entries or you will not be able to print!
iv. Within VIM, set 'printencoding' to your unique encoding name and then
print your file. VIM will now use your custom print character encoding.
VIM will report an error with the resource file if you change the order or
content of the first 3 lines, other than the name of the encoding on the line
starting %%Title: or the version number on the line starting %%Version:.
[Technical explanation for those that know PostScript - VIM looks for a file
with the same name as the encoding it will use when printing. The file
defines a new PostScript Encoding resource called /VIM-name, where name is the
print character encoding VIM will use.]
3.3 PostScript Printing Troubleshooting *postscript-print-trouble*
*E621*
Usually the only sign of a problem when printing with PostScript is that your
printout does not appear. If you are lucky you may get a printed page that
tells you the PostScript operator that generated the error that prevented the
print job completing.
There are a number of possible causes as to why the printing may have failed:
- Wrong version of the prolog resource file. The prolog resource file
contains some PostScript that VIM needs to be able to print. Each version
of VIM needs one particular version. Make sure you have correctly installed
the runtime files, and don't have any old versions of a file called prolog
in the print directory in your 'runtimepath' directory.
- Paper size. Some PostScript printers will abort printing a file if they do
not support the requested paper size. By default VIM uses A4 paper. Find
out what size paper your printer normally uses and set the appropriate paper
size with 'printoptions'. If you cannot find the name of the paper used,
measure a sheet and compare it with the table of supported paper sizes listed
for 'printoptions', using the paper that is closest in both width AND height.
Note: The dimensions of actual paper may vary slightly from the ones listed.
If there is no paper listed close enough, then you may want to try psresize
from PSUtils, discussed below.
- Two-sided printing (duplex). Normally a PostScript printer that does not
support two-sided printing will ignore any request to do it. However, some
printers may abort the job altogether. Try printing with duplex turned off.
Note: Duplex prints can be achieved manually using PS utils - see below.
- Collated printing. As with Duplex printing, most PostScript printers that
do not support collating printouts will ignore a request to do so. Some may
not. Try printing with collation turned off.
- Syntax highlighting. Some print management code may prevent the generated
PostScript file from being printed on a black and white printer when syntax
highlighting is turned on, even if solid black is the only color used. Try
printing with syntax highlighting turned off.
A safe printoptions setting to try is: >
:set printoptions=paper:A4,duplex:off,collate:n,syntax:n
Replace "A4" with the paper size that best matches your printer paper.
3.4 PostScript Utilities *postscript-print-util*
3.4.1 Ghostscript
Ghostscript is a PostScript and PDF interpreter that can be used to display
and print on non-PostScript printers PostScript and PDF files. It can also
generate PDF files from PostScript.
Ghostscript will run on a wide variety of platforms.
There are three available versions:
- AFPL Ghostscript (formerly Aladdin Ghostscript) which is free for
non-commercial use. It can be obtained from:
http://www.cs.wisc.edu/~ghost/
- GNU Ghostscript which is available under the GNU General Public License. It
can be obtained from:
ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/gnu/
- A commercial version for inclusion in commercial products.
Additional information on Ghostscript can also be found at:
http://www.ghostscript.com/
Support for a number of non PostScript printers is provided in the
distribution as standard, but if you cannot find support for your printer
check the Ghostscript site for other printers not included by default.
3.4.2 Ghostscript Previewers.
The interface to Ghostscript is very primitive so a number of graphical front
ends have been created. These allow easier PostScript file selection,
previewing at different zoom levels, and printing. Check supplied
documentation for full details.
X11
- Ghostview. Obtainable from:
http://www.cs.wisc.edu/~ghost/gv/
- gv. Derived from Ghostview. Obtainable from:
http://wwwthep.physik.uni-mainz.de/~plass/gv/
Copies (possibly not the most recent) can be found at:
http://www.cs.wisc.edu/~ghost/gv/
OpenVMS
- gv-vms. A port of gv to OpenVMS. Obtainable from:
ftp://axp.psl.ku.dk/decwindows/xaw3d/
ftp://ftp.wku.edu/vms/fileserv/x11kit.zip
Windows and OS/2
- GSview. Obtainable from:
http://www.cs.wisc.edu/~ghost/gsview/
DOS
- ps_view. Obtainable from:
ftp://ftp.pg.gda.pl/pub/TeX/support/ps_view/
ftp://ftp.dante.de/tex-archive/support/ps_view/
Linux
- GSview. Linux version of the popular Windows and OS/2 previewer.
Obtainable from:
http://www.cs.wisc.edu/~ghost/gsview/
- BMV. Different from Ghostview and gv in that it doesn't use X but svgalib.
Obtainable from:
ftp://sunsite.unc.edu/pub/Linux/apps/graphics/viewers/svga/bmv-1.2.tgz
3.4.3 PSUtils
PSUtils is a collection of utility programs for manipulating PostScript
documents. Binary distributions are available for many platforms, as well as
the full source. PSUtils can be found at:
http://www.tardis.ed.ac.uk/~ajcd/psutils/index.html
The utilities of interest include:
- psnup. Convert PS files for N-up printing.
- psselect. Select page range and order of printing.
- psresize. Change the page size.
- psbook. Reorder and lay out pages ready for making a book.
The output of one program can be used as the input to the next, allowing for
complex print document creation.
N-UP PRINTING
The psnup utility takes an existing PostScript file generated from VIM and
convert it to an n-up version. The simplest way to create a 2-up printout is
to first create a PostScript file with: >
:hardcopy > test.ps
Then on your command line execute: >
psnup -n 2 test.ps final.ps
Note: You may get warnings from some Ghostscript previewers for files produced
by psnup - these may safely be ignored.
Finally print the file final.ps to your PostScript printer with your
platform's print command. (You will need to delete the two PostScript files
afterwards yourself.) 'printexpr' could be modified to perform this extra
step before printing.
ALTERNATE DUPLEX PRINTING
It is possible to achieve a poor man's version of duplex printing using the PS
utility psselect. This utility has options -e and -o for printing just the
even or odd pages of a PS file respectively.
First generate a PS file with the 'hardcopy' command, then generate a new
files with all the odd and even numbered pages with: >
psselect -o test.ps odd.ps
psselect -e test.ps even.ps
Next print odd.ps with your platform's normal print command. Then take the
print output, turn it over and place it back in the paper feeder. Now print
even.ps with your platform's print command. All the even pages should now
appear on the back of the odd pages.
There a couple of points to bear in mind:
1. Position of the first page. If the first page is on top of the printout
when printing the odd pages then you need to reverse the order that the odd
pages are printed. This can be done with the -r option to psselect. This
will ensure page 2 is printed on the back of page 1.
Note: it is better to reverse the odd numbered pages rather than the even
numbered in case there are an odd number of pages in the original PS file.
2. Paper flipping. When turning over the paper with the odd pages printed on
them you may have to either flip them horizontally (along the long edge) or
vertically (along the short edge), as well as possibly rotating them 180
degrees. All this depends on the printer - it will be more obvious for
desktop ink jets than for small office laser printers where the paper path
is hidden from view.
3.5 Formfeed Characters *printing-formfeed*
By default VIM does not do any special processing of |formfeed| control
characters. Setting the 'printoptions' formfeed item will make VIM recognize
formfeed characters and continue printing the current line at the beginning
of the first line on a new page. The use of formfeed characters provides
rudimentary print control but there are certain things to be aware of.
VIM will always start printing a line (including a line number if enabled)
containing a formfeed character, even if it is the first character on the
line. This means if a line starting with a formfeed character is the first
line of a page then VIM will print a blank page.
Since the line number is printed at the start of printing the line containing
the formfeed character, the remainder of the line printed on the new page
will not have a line number printed for it (in the same way as the wrapped
lines of a long line when wrap in 'printoptions' is enabled).
If the formfeed character is the last character on a line, then printing will
continue on the second line of the new page, not the first. This is due to
VIM processing the end of the line after the formfeed character and moving
down a line to continue printing.
Due to the points made above it is recommended that when formfeed character
processing is enabled, printing of line numbers is disabled, and that form
feed characters are not the last character on a line. Even then you may need
to adjust the number of lines before a formfeed character to prevent
accidental blank pages.
-->
==============================================================================
4. Using Vim like less or more *less*
This information does not apply to IdeaVim.
<!--
If you use the less or more program to view a file, you don't get syntax
highlighting. Thus you would like to use Vim instead. You can do this by
using the shell script "$VIMRUNTIME/macros/less.sh".
This shell script uses the Vim script "$VIMRUNTIME/macros/less.vim". It sets
up mappings to simulate the commands that less supports. Otherwise, you can
still use the Vim commands.
This isn't perfect. For example, when viewing a short file Vim will still use
the whole screen. But it works good enough for most uses, and you get syntax
highlighting.
The "h" key will give you a short overview of the available commands.
-->
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