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comparison can.pl @ 113:82eff1aaf0ec

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billy3321 <billy3321 AT msn.com> 4HG: branch default Add chihchunloop to usebot.sh
author billy3321@f3svr.f3.csu.edu.tw.f3.csu.edu.tw
date Thu, 30 Oct 2008 12:07:13 +0800
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112:ef5461db3951 113:82eff1aaf0ec
1
2 SSUUMMMMAARRYY OOFF LLEESSSS CCOOMMMMAANNDDSS
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.
8 q :q Q :Q ZZ Exit.
9 ---------------------------------------------------------------------------
10
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).
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).
19 ESC-SPACE * Forward one window, but don't stop at end-of-file.
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).
22 ESC-) RightArrow * Left one half screen width (or _N positions).
23 ESC-( LeftArrow * Right one half screen width (or _N positions).
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.
30 ---------------------------------------------------------------------------
31
32 SSEEAARRCCHHIINNGG
33
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:
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
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).
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
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 '.
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
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.
85 :d Delete the current file from the command line list.
86 = ^G :f Print current file name.
87 ---------------------------------------------------------------------------
88
89 MMIISSCCEELLLLAANNEEOOUUSS CCOOMMMMAANNDDSS
90
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.
95 +_c_m_d Execute the less cmd each time a new file is examined.
96
97 !_c_o_m_m_a_n_d Execute the shell command with $SHELL.
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.
100 V Print version number of "less".
101 ---------------------------------------------------------------------------
102
103 OOPPTTIIOONNSS
104
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 ........ --clear-screen
119 Repaint by clearing rather than scrolling.
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 Don't 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.
220
221