ROFF.9
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上传日期:2007-01-18
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- Command: roff - text formatter
- Syntax: roff [-hs] [+n] [-n] file ...
- Flags: -h Expand tabs to spaces in output
- -s Stop before each page; continue on DEL
- +n Start printing with page n
- -n Stop after page n
- Examples: roff file # Run off file
- roff +5 file # Run off file starting at page 5
- Roff is a text formatter. Its input consists of the text to be
- output, intermixed with formatting commands. A formatting command is a
- line containing the control character followed by a two character
- command name, and possibly one or more arguments. The control character
- is initially '.' (dot). The formatted output is produced on standard
- output.
- The formatting commands are listed below, with n being a number, c
- being a character, and t being a title. A + before n means it may be
- signed, indicating a positive or negative change from the current value.
- Initial values for n, where relevant, are given in parentheses.
- .ad Adjust right margin.
- .ar Arabic page numbers.
- .br Line break. Subsequent text will begin on a new line.
- .bl n Insert n blank lines.
- .bp +n Begin new page and number it n. No n means +1.
- .cc c Control character is set to c.
- .ce n Center the next n input lines.
- .de zz Define a macro called zz. A line with '..' ends definition.
- .ds Double space the output. Same as .ls 2.
- .ef t Even page footer title is set to t.
- .eh t Even page header title is set to t.
- .fi Begin filling output lines as full as possible.
- .fo t Footer titles (even and odd) are set to t.
- .hc c The character c (e.g., %) tells roff where hyphens are
- permitted.
- .he t Header titles (even and odd) are set to t.
- .hx Header titles are suppressed.
- .hy n Hyphenation is done if n is 1, suppressed if it is 0.
- Default is 1.
- .ig Ignore input lines until a line beginning with '..' is
- found.
- .in n Indent n spaces from the left margin; force line break.
- .ix n Same as .in but continue filling output on current line.
- .li n Literal text on next n lines. Copy to output unmodified.
- .ll +n Line length (including indent) is set to n (65).
- .ls +n Line spacing: n (1) is 1 for single spacing, 2 for double,
- etc.
- .m1 n Insert n (2) blank lines between top of page and header.
- .m2 n Insert n (2) blank lines between header and start of text.
-
-
- .m3 n Insert n (1) blank lines between end of text and footer.
- .m4 n Insert n (3) blank lines between footer and end of page.
- .na No adjustment of the right margin.
- .ne n Need n lines. If fewer are left, go to next page.
- .nn +n The next n output lines are not numbered.
- .n1 Number output lines in left margin starting at 1.
- .n2 n Number output lines starting at n. If 0, stop numbering.
- .ni +n Indent line numbers by n (0) spaces.
- .nf No more filling of lines.
- .nx f Switch input to file f.
- .of t Odd page footer title is set to t.
- .oh t Odd page header title is set to t.
- .pa +n Page adjust by n (1). Same as .bp
- .pl +n Paper length is n (66) lines.
- .po +n Page offset. Each line is started with n (0) spaces.
- .ro Page numbers are printed in Roman numerals.
- .sk n Skip n pages (i.e., make them blank), starting with next
- one.
- .sp n Insert n blank lines, except at top of page.
- .ss Single spacing. Equivalent to .ls 1.
- .ta Set tab stops, e.g., .ta 9 17 25 33 41 49 57 65 73
- (default).
- .tc c Tabs are expanded into c. Default is space.
- .ti n Indent next line n spaces; then go back to previous indent.
- .tr ab Translate a into b on output.
- .ul n Underline the letters and numbers in the next n lines.
-