Annotation of src/usr.bin/less/less.hlp, Revision 1.2
1.1 etheisen 1:
1.2 ! millert 2: SSUUMMMMAARRYY OOFF CCOOMMMMAANNDDSS
1.1 etheisen 3:
4: Commands marked with * may be preceded by a number, _N.
5: Notes in parentheses indicate the behavior if _N is given.
6:
7: h H Display this help.
1.2 ! millert 8: q :q Q :Q ZZ Exit.
! 9: ---------------------------------------------------------------------------
1.1 etheisen 10:
1.2 ! millert 11: MMOOVVIINNGG
! 12:
! 13: e ^E j ^N CR * Forward one line (or _N lines).
! 14: y ^Y k ^K ^P * Backward one line (or _N lines).
1.1 etheisen 15: f ^F ^V SPACE * Forward one window (or _N lines).
16: b ^B ESC-v * Backward one window (or _N lines).
17: z * Forward one window (and set window to _N).
18: w * Backward one window (and set window to _N).
1.2 ! millert 19: ESC-SPACE * Forward one window, but don't stop at end-of-file.
1.1 etheisen 20: d ^D * Forward one half-window (and set half-window to _N).
21: u ^U * Backward one half-window (and set half-window to _N).
1.2 ! millert 22: ESC-) RightArrow * Left one half screen width (or _N positions).
! 23: ESC-( LeftArrow * Right one half screen width (or _N positions).
1.1 etheisen 24: F Forward forever; like "tail -f".
25: r ^R ^L Repaint screen.
26: R Repaint screen, discarding buffered input.
27: ---------------------------------------------------
28: Default "window" is the screen height.
29: Default "half-window" is half of the screen height.
1.2 ! millert 30: ---------------------------------------------------------------------------
! 31:
! 32: SSEEAARRCCHHIINNGG
! 33:
1.1 etheisen 34: /_p_a_t_t_e_r_n * Search forward for (_N-th) matching line.
35: ?_p_a_t_t_e_r_n * Search backward for (_N-th) matching line.
36: n * Repeat previous search (for _N-th occurrence).
37: N * Repeat previous search in reverse direction.
38: ESC-n * Repeat previous search, spanning files.
39: ESC-N * Repeat previous search, reverse dir. & spanning files.
40: ESC-u Undo (toggle) search highlighting.
41: ---------------------------------------------------
42: Search patterns may be modified by one or more of:
1.2 ! millert 43: ^N or ! Search for NON-matching lines.
! 44: ^E or * Search multiple files (pass thru END OF FILE).
! 45: ^F or @ Start search at FIRST file (for /) or last file (for ?).
! 46: ^K Highlight matches, but don't move (KEEP position).
! 47: ^R Don't use REGULAR EXPRESSIONS.
! 48: ---------------------------------------------------------------------------
! 49:
! 50: JJUUMMPPIINNGG
! 51:
1.1 etheisen 52: g < ESC-< * Go to first line in file (or line _N).
53: G > ESC-> * Go to last line in file (or line _N).
54: p % * Go to beginning of file (or _N percent into file).
1.2 ! millert 55: t * Go to the (_N-th) next tag.
! 56: T * Go to the (_N-th) previous tag.
! 57: { ( [ * Find close bracket } ) ].
! 58: } ) ] * Find open bracket { ( [.
! 59: ESC-^F _<_c_1_> _<_c_2_> * Find close bracket _<_c_2_>.
! 60: ESC-^B _<_c_1_> _<_c_2_> * Find open bracket _<_c_1_>
! 61: ---------------------------------------------------
! 62: Each "find close bracket" command goes forward to the close bracket
! 63: matching the (_N-th) open bracket in the top line.
! 64: Each "find open bracket" command goes backward to the open bracket
! 65: matching the (_N-th) close bracket in the bottom line.
! 66:
1.1 etheisen 67: m_<_l_e_t_t_e_r_> Mark the current position with <letter>.
68: '_<_l_e_t_t_e_r_> Go to a previously marked position.
69: '' Go to the previous position.
70: ^X^X Same as '.
1.2 ! millert 71: ---------------------------------------------------
! 72: A mark is any upper-case or lower-case letter.
! 73: Certain marks are predefined:
! 74: ^ means beginning of the file
! 75: $ means end of the file
! 76: ---------------------------------------------------------------------------
! 77:
! 78: CCHHAANNGGIINNGG FFIILLEESS
1.1 etheisen 79:
80: :e [_f_i_l_e] Examine a new file.
81: ^X^V Same as :e.
82: :n * Examine the (_N-th) next file from the command line.
83: :p * Examine the (_N-th) previous file from the command line.
84: :x * Examine the first (or _N-th) file from the command line.
1.2 ! millert 85: :d Delete the current file from the command line list.
1.1 etheisen 86: = ^G :f Print current file name.
1.2 ! millert 87: ---------------------------------------------------------------------------
! 88:
! 89: MMIISSCCEELLLLAANNEEOOUUSS CCOOMMMMAANNDDSS
1.1 etheisen 90:
1.2 ! millert 91: -_<_f_l_a_g_> Toggle a command line option [see OPTIONS below].
! 92: --_<_n_a_m_e_> Toggle a command line option, by name.
! 93: __<_f_l_a_g_> Display the setting of a command line option.
! 94: ___<_n_a_m_e_> Display the setting of an option, by name.
1.1 etheisen 95: +_c_m_d Execute the less cmd each time a new file is examined.
96:
1.2 ! millert 97: !_c_o_m_m_a_n_d Execute the shell command with $SHELL.
1.1 etheisen 98: |XX_c_o_m_m_a_n_d Pipe file between current pos & mark XX to shell command.
99: v Edit the current file with $VISUAL or $EDITOR.
1.2 ! millert 100: V Print version number of "less".
! 101: ---------------------------------------------------------------------------
1.1 etheisen 102:
1.2 ! millert 103: OOPPTTIIOONNSS
1.1 etheisen 104:
1.2 ! millert 105: Most options may be changed either on the command line,
! 106: or from within less by using the - or -- command.
! 107: Options may be given in one of two forms: either a single
! 108: character preceded by a -, or a name preceeded by --.
! 109:
! 110: -? ........ --help
! 111: Display help (from command line).
! 112: -a ........ --search-skip-screen
! 113: Forward search skips current screen.
! 114: -b [_N] .... --buffers=[_N]
! 115: Number of buffers.
! 116: -B ........ --auto-buffers
! 117: Don't automatically allocate buffers for pipes.
! 118: -c -C .... --clear-screen --CLEAR-SCREEN
! 119: Repaint by scrolling/clearing.
! 120: -d ........ --dumb
! 121: Dumb terminal.
! 122: -D [_x_n_._n] . --color=_x_n_._n
! 123: Set screen colors. (MS-DOS only)
! 124: -e -E .... --quit-at-eof --QUIT-AT-EOF
! 125: Quit at end of file.
! 126: -f ........ --force
! 127: Force open non-regular files.
! 128: -F ........ --quit-if-one-screen
! 129: Quit if entire file fits on first screen.
! 130: -g ........ --hilite-search
! 131: Highlight only last match for searches.
! 132: -G ........ --HILITE-SEARCH
! 133: Don't highlight any matches for searches.
! 134: -h [_N] .... --max-back-scroll=[_N]
! 135: Backward scroll limit.
! 136: -i ........ --ignore-case
! 137: Ignore case in searches that do not contain uppercase.
! 138: -I ........ --IGNORE-CASE
! 139: Ignore case in all searches.
! 140: -j [_N] .... --jump-target=[_N]
! 141: Screen position of target lines.
! 142: -J ........ --status-column
! 143: Display a status column at left edge of screen.
! 144: -k [_f_i_l_e] . --lesskey-file=[_f_i_l_e]
! 145: Use a lesskey file.
! 146: -L ........ --no-lessopen
! 147: Ignore the LESSOPEN environment variable.
! 148: -m -M .... --long-prompt --LONG-PROMPT
! 149: Set prompt style.
! 150: -n -N .... --line-numbers --LINE-NUMBERS
! 151: Use line numbers.
! 152: -o [_f_i_l_e] . --log-file=[_f_i_l_e]
! 153: Copy to log file (standard input only).
! 154: -O [_f_i_l_e] . --LOG-FILE=[_f_i_l_e]
! 155: Copy to log file (unconditionally overwrite).
! 156: -p [_p_a_t_t_e_r_n] --pattern=[_p_a_t_t_e_r_n]
! 157: Start at pattern (from command line).
! 158: -P [_p_r_o_m_p_t] --prompt=[_p_r_o_m_p_t]
! 159: Define new prompt.
! 160: -q -Q .... --quiet --QUIET --silent --SILENT
! 161: Quiet the terminal bell.
! 162: -r -R .... --raw-control-chars --RAW-CONTROL-CHARS
! 163: Output "raw" control characters.
! 164: -s ........ --squeeze-blank-lines
! 165: Squeeze multiple blank lines.
! 166: -S ........ --chop-long-lines
! 167: Chop long lines.
! 168: -t [_t_a_g] .. --tag=[_t_a_g]
! 169: Find a tag.
! 170: -T [_t_a_g_s_f_i_l_e] --tag-file=[_t_a_g_s_f_i_l_e]
! 171: Use an alternate tags file.
! 172: -u -U .... --underline-special --UNDERLINE-SPECIAL
! 173: Change handling of backspaces.
! 174: -V ........ --version
! 175: Display the version number of "less".
! 176: -w ........ --hilite-unread
! 177: Highlight first new line after forward-screen.
! 178: -W ........ --HILITE-UNREAD
! 179: Highlight first new line after any forward movement.
! 180: -x [_N[,...]] --tabs=[_N[,...]]
! 181: Set tab stops.
! 182: -X ........ --no-init
! 183: Don't use termcap init/deinit strings.
! 184: --no-keypad
! 185: Don't use termcap keypad init/deinit strings.
! 186: -y [_N] .... --max-forw-scroll=[_N]
! 187: Forward scroll limit.
! 188: -z [_N] .... --window=[_N]
! 189: Set size of window.
! 190: -" [_c[_c]] . --quotes=[_c[_c]]
! 191: Set shell quote characters.
! 192: -~ ........ --tilde
! 193: Don't display tildes after end of file.
! 194: -# [_N] .... --shift=[_N]
! 195: Horizontal scroll amount (0 = one half screen width)
! 196:
! 197: ---------------------------------------------------------------------------
! 198:
! 199: LLIINNEE EEDDIITTIINNGG
! 200:
! 201: These keys can be used to edit text being entered
! 202: on the "command line" at the bottom of the screen.
! 203:
! 204: RightArrow ESC-l Move cursor right one character.
! 205: LeftArrow ESC-h Move cursor left one character.
! 206: CNTL-RightArrow ESC-RightArrow ESC-w Move cursor right one word.
! 207: CNTL-LeftArrow ESC-LeftArrow ESC-b Move cursor left one word.
! 208: HOME ESC-0 Move cursor to start of line.
! 209: END ESC-$ Move cursor to end of line.
! 210: BACKSPACE Delete char to left of cursor.
! 211: DELETE ESC-x Delete char under cursor.
! 212: CNTL-BACKSPACE ESC-BACKSPACE Delete word to left of cursor.
! 213: CNTL-DELETE ESC-DELETE ESC-X Delete word under cursor.
! 214: CNTL-U ESC (MS-DOS only) Delete entire line.
! 215: UpArrow ESC-k Retrieve previous command line.
! 216: DownArrow ESC-j Retrieve next command line.
! 217: TAB Complete filename & cycle.
! 218: SHIFT-TAB ESC-TAB Complete filename & reverse cycle.
! 219: CNTL-L Complete filename, list all.
1.1 etheisen 220:
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