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- keypad +
- Go to the command area. If you are already in command area then
execute any typed command and remain in command area (i.e. same
effect as hitting carriage return, except that instead of leaving
the command area and returning to the text area, you stay in the command
area ready to enter another command.)
- keypad -
- Take next key typed literally. This disables macro expansion
and allows you to enter the function and cursor keys as data.
- Home
- Position the cursor at the first character of the first line of the file.
- Ctrl-Home
- Position the cursor at of the first line of the currently displayed page.
- End
- Position the cursor at the last character of the last line of the file.
- Ctrl-End
- Position the cursor at the last line of the currently displayed page.
- PgUp
- Display previous page. (Back 23 lines)
- Ctrl-PgUp
- Scroll the screen back 1 line.
- PgDn
- Display next page. (Forward 23 lines)
- Ctrl-PgDn
- Scroll the screen forward 1 line.
- ↑
- Move cursor up one line.
- Ctrl-↑
- Move cursor up 4 lines.
- ↓
- Move cursor down 1 line.
- Ctrl-↓
- Move cursor down 4 lines.
- ←
- Move cursor left 1 column.
- Ctrl-←
- Move cursor to start of prev word.
- →
- Move cursor right 1 column.
- Ctrl-→
- Move cursor to start of next word.
- Keypad 5
- Redisplay with cursor line as defined center line.
- Ctrl-Tab
- Move to end of line.
- Shift-Tab
- Move to start of line.
- Ctrl-b
- Begin an automatic indent. (+4 columns).
- Ctrl-e
- End an automatic indent. (-4 columns).
- Backspace
- Delete previous character.
- Ins
- Toggle character insert mode.
- Ctrl-Ins
- Insert last deleted character from delete
buffer before cursor.
- Del
- Delete character at cursor. Character is saved in delete
buffer.
- Ctrl-x
- Erase all characters on the line.
- Ctrl-y
- Erase all characters from cursor to end of line.
- F1
- Toggle newline mode. If entering newline mode then append
after current line. If leaving and current line is null then delete it.
- Ctrl-F1
- Append line delete buffer after current line.
- F2
- Toggle newline mode. If entering newline mode then insert
before current line. If leaving and current line is null then delete it.
- Ctrl-F2
- Insert line delete buffer after current line.
- F3
- Delete current line and save in line delete buffer.
- F4
- Fill tagged lines or until the next blank line if no tags
are set. If option justify is on, then justify the filled text.
- Ctrl-F4
- Center tagged lines or current line if no tags
are set. If option justify is on, then justify the filled text.
- F5
- Split current line at cursor. If character at cursor is a
space then delete it.
- Ctrl-F5
- Split current line at cursor. Character at cursor always
saved.
- F6
- Join line at cursor with next line. If cursor line does not
end in a space, append one before the join.
- Ctrl-F6
- Join line at cursor with next line.
- F7
- Tag/untag line for tag operation. If F7 is entered twice
in rapid succession then a limited block tag is set.
- Ctrl-F7
- Remove all tags or reset last tags. Its a toggle.
- F8
- Request tag operation.
- Ctrl-F8
- Same as F8, however the move or kopy is performed before the
current line. Not valid for limited block tags.
- F9
- Re-execute last typed command.
- F10
- Re-display last typed command.
- Alt-a
- Toggle option Anchor.
- Alt-b
- Toggle option Blank.
- Alt-d
- Toggle option Dual.
- Alt-f
- Toggle option Fill.
- Alt-j
- Toggle option Justify.
- Alt-l
- Toggle option Limit.
- Alt-m
- Toggle option Meta.
- Alt-s
- Toggle option Save.
- Alt-t
- Toggle option Tabs.
- Alt-w
- Toggle option Wrap.
- Shift-F1
- Set left margin at cursor position.
- Shift-F2
- Set right margin at cursor position.
- Shift-F3
- Move left margin left.
- Shift-F4
- Move left margin right.
- Shift-F5
- Move right margin left.
- Shift-F6
- Move right margin right.
- Shift-F7
- Move cursor to left margin.
- Shift-F8
- Move cursor to right margin.
- Alt-c
- Toggle continuation flag.
- Alt-o
- Toggle overstrike flag.
- Alt-p
- Toggle paragraph flag.
- hex 00
- Null character. Used to terminate lines within the
editor. This character can not be saved in your text.
- hex 09
- Tab character. Expanded on output to the screen as
enough spaces to move to the next tab stop. Tab stops are set every 4
columns.
- hex 0a
- Linefeed character. The carriage return is mapped into
this character on input.
- hex a3
- Macro disable character. Disables any macro expansion for
the next key typed.
- hex fd
- Accept a character from the keyboard.
- hex fe
- Recall character. Recall last typed command to the command
line.
- hex ff
- Command character. Collect all following characters up until
the next newline in a hidden buffer, then execute the buffer as a command.
- \
- Escape character. Will remove special significance of any
meta character it precedes in a pattern. In patterns and the translate command
a \hh sequence (hh is two hex digits) will reduce to a single character with
hex value hh.
- @$^^&.*[-
- Meta characters. Only special within patterns when option
meta is enabled (m+).
All editor commands are entered in the command area and executed by
typing either the carriage return or the keypad + key. The latter will
keep you in the command area while the former will in general return you
to the text area. In the following descriptions variable input of a
particular class will appear in a special typeface e.g. variable
Editor commands are of the form:
[range]C[argument]
where:
- range
- is a range of lines the command is to operate on.
- C
- is a single character indicating a command.
- argument
- is command specific information.
- <none>
- (none; range not specified) Refers to the current line only.
- line
- Refers to this line only.
- line1,line2
- Refers to lines between line1 and line2 inclusive.
- line1;line2
- Same as “,” except that current line is updated by
semicolon to line1.
- *
- Refers to all lines in the buffer.
- #
- Refers to any tagged lines.
- <none>
- (none; line not specified) Refers to the current line only.
- number
- Refers to the absolute line number specified.
- .
- Refers to the current line.
- $
- Refers to the last line.
- &
- Refers to the top line on your screen.
- @
- Refers to the defined center line.
- %
- This refers to the current line if you are in the text area
and line zero if you are on the command line.
- /pattern/
- This serves as the line address of the next line
which contains an instance of the specified pattern. The search for
pattern will begin at the current cursor position and will
continue to the end of the buffer. If no match has been found by that time,
the search will wrap around to the beginning of the buffer and continue
looking for pattern from line one. If no match is found in the entire
buffer then an error will be issued.
- ?pattern?
- This serves as the line address of the previous line which
which contains an instance of the specified pattern. The search for
pattern will begin at the current cursor position and will
go backwards through the buffer wrapping around from the first to last line
if necessary. If no match is found an error will be issued as above.
In addition, line addresses may be combined with other line addresses
using the + and - keys to form expressions. You may limit a line address
to lie within the buffer (between 1 and $) by following it with an or-bar (|).
For example
.+5|
Refers to the 5th line after the current line or the last
line if there are less than five lines after the current line.
- .
- (dot) Matches any character.
- ^
- (caret) Matches the null string at the beginning of the line.
- $
- Matches the null string at the end of the line.
- @(number)
- Matches the null string before the numberth character of a line.
- @(.)
- Matches the null string before the current cursor position.
- @(t)
- Matches the null string before the next tab stop.
- [characters]
- Matches any one of the characters enclosed by the square
brackets. (character class)
- [^characters]
- Matches any one character which is not enclosed by the square
brackets. (character class)
- *
- Matches the preceding pattern zero or more times. (closure)
- &
- Only special in the replacement text of a Substitute command.
It will be expanded into the text matched.
- -
- Only special within the square brackets of a character class above.
The syntax character1-character2 is an
abbreviation to mean all characters between character1 and
character2 inclusive. For example [a-z0-9].
- e file
- Delete current buffer and read in the specified file if the
buffer has not been modified.
- ee file
- Delete current buffer and read in the specified file.
- r file
- Read the specified file after the current line.
- liner file
- Read the specified file after the specified line.
- w file
- Write your buffer to the specified file.
- rangew file
- Write the line range specified to the specified file.
- wa file
- Append your buffer to the specified file.
- rangewa file
- Append the line range specified to the specified file.
- x file
- Execute the specified file as a file of editor commands.
This is typically used for loading custom macro files.
- [line]a
- append
- [line]a text
- append text
- [line]ad
- append delete buffer
- bnumber
- branch always number newlines
- bnumbert
- branch if TRUE number newlines
- bnumberf
- branch if FALSE number newlines
- [range]c
- change
- [range]c text
- change for text
- [range]d
- delete
- e
- edit current file
- e file
- edit file if buffer clean
- ee file
- edit file
- f
- query current file
- f file
- set current file
- [range]g/pattern/editor commands
- global
- [range]g^/pattern/editor commands
- global
- h number
- hold for number time units
- [line]i
- insert
- [line]i text
- insert text
- [line]id
- insert delete buffer
- [line]j
- join line and line+1
- [range]ktarget_line
- kopy range after target_line
- l character
- learn character until Break
- [range]mtarget_line
- move range after target_line
- oC{+|-|~|?}
- Set (+), unset (-), toggle (~) or
query (?) the option signified by character C.
Valid option characters are:
- a
- option anchor
- b
- option blank
- c
- option command
- d
- option dual
- e
- option environment
- f
- option fill
- i
- option insert
- j
- option justify
- l
- option limit
- m
- option meta
- n
- option newline
- s
- option save
- t
- option tab
- w
- option wrap
- [range]p
- print expanding non-printing ascii characters into \hh sequences.
- [range]P
- print without expanding non-ascii characters.
- q
- quit the editor if buffer has not been modified
- qq
- quit the editor regardless
- [line]r
- read the current file after line
- [line]r file
- read file after line
- [range]s/pattern/replacement_text/
- Substitute text; characters other than / may also be used as the delimiter
- [range]snumber/pattern/replacement_text/
- Substitute text, numberth occurrence only.
Where:
- /
- is a single character deliminator (Usually a slash, but other characters
may be used
- number
- is the numberth occurrence
- t character replacement_text
- define translate for character
- t character
- remove translate for character
- t ? character
- query translate for character
- [range]ucount editor_commands
- until count
- [range]ucond editor_commands
- until cond
- [range]uCountCond editor_commands
- until Count or Cond,
where cond is one of “t” (TRUE) or “f” (FALSE).
- vanumber number number
- change color of display areas
- vc
- center display
- vc number
- set center line
- vlquantity
- set left margin
- vrquantity
- set right margin
- quantity
- scroll display
- vw
- don't wait for horizontal retrace when using color card
- [range]w
- write to current file
- [range]w file
- write to file
- [range]wa
- write append to current file
- [range]wa file
- write append to file
- x
- execute current file
- x file
- execute file
- [range]y"prompt_text"command_chars"commands
- yut
- [range]zcccharacter
- zap cursor change
- [range]zcd
- zap cursor delete
- [range]zce
- zap cursor erase
- [line]zcfcharacter
- zap cursor fill character
- [line]zchlocation
- zap cursor horizontal
- [line]zcl
- zap cursor lock
- [line]zcp
- zap cursor purge character delete buffer
- [range]zcr
- zap cursor restore from character delete buffer
- [range]zcRnumber
- zap cursor restore number characters
- [range]zcs
- zap cursor save in character delete buffer
- [line]zkline
- zap kopy to/from command line
- [range]zlc
- zap line center between margins
- [range]zld
- zap line delete between limits
- [range]zle
- zap line erase between limits
- [range]zlf
- zap line fill between margins
- [range]zlj
- zap line join
- [range]zlo
- zap line overstrike
- [range]zlp
- zap line paragraph
- zlq
- zap line query if tags are set
- [line]zlr
- zap line restore delete buffer at cursor
- [range]zls
- zap line save text between limits in delete buffer
- [line]zlt
- zap line tag
- zlu
- zap line unset/set all tags
- zm
- zap message
- [line]zp
- zap purge line delete buffer
- [line]zq
- zap query
Remove leading blanks on all lines:
*s/^ *//
Remove trailing blanks on all lines:
*s/ *$//
Reverse order of all lines:
*m0
Duplicate all lines:
*k$
Duplicate current line:
.k.
Print first 4 lines after each “function”:
g/function/.,.+4p
Delete all empty lines:
g/^$/d
Delete all lines which contain only spaces or are empty:
g/^ *$/
Delete all lines containing the word comment:
g/comment/d
Place a “,” after each “however”:
g/however/s//&,/
Place a line containing the word “end” after each “begin”:
g/begin/a end
Turn runs of spaces into tabs:
s/@(t)/\01/s/ *\01/\09/
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