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Groff
groff o GNU troff, es un conjunto de programas de aplicación y macros de composición pensadas para dar formato a textos. A través de “comandos punto”, describe el formato de documentos a aplicar.
Con groff puede producir diferente tipos de salida de aspecto profesional, incluyendo HTML para la difusión en la world wide web, y PostScript para salida impresa, o bien PDF para ver en línea.
Comandos de Groff
General
| Comando | Funcionalidad |
.RP [no] | Imprime página de cubierta aislada. Puede ser evitada con .RP no |
.TL | Título del documento. |
.AU | Nombre del autor. |
.AI | Institución del autor. |
.AB [no] and .AE block | Abstract beginning and end blocks. .AB no ensures the abstract keyword is silenced |
.DA [XXX] | Current date on title page and footers |
.ND [XXX] | Current date only on the title page |
.1C | Texto a una columna |
.2C | Texto a dos columnas |
.MC [WIDTH[GUTTER]] | Multiple column layout (by default 2 with no args) |
.XS page_num and .XE | Bloque de Tabla de Contenidos |
.XA page_num | Entrada en el Bloque de Tabla de Contenidos |
.PX | Print a manually-generated table of contents without resetting the page number. |
Text Formatting
| Comando | Funcionalidad |
.B | Bold |
.I | Italics |
.BI | Bold and Italics |
.P1 | Prints the header on page 1. The default is to suppress the header. |
.BX | Box |
.UL | Underline |
.LG | Prints all text following in larger type (2 points larger than the current point size) |
.SM | Prints all text following in smaller type (2 points smaller than the current point size) |
.NL | Prints all text following in the normal point size |
.R | Sets its first argument in roman (or regular) type. It operates similarly to the B macro otherwise. |
.CW | Sets its first argument in italic type. It operates similarly to the B macro otherwise. |
| Comando | Funcionalidad |
.PP | Standard paragraph |
.QP | Quoted paragraph |
.XP | The XP macro produces an exdented paragraph. The first line of the paragraph begins at the left margin, and subsequent lines are indented (the opposite of PP). |
.RS y .RE | Start and end a section of indented text, respectively. The PI register controls the amount of indent. |
.IP | List points. Use .IP \(bu [width] for bullet points with given width. Use .IP [number] for numbered points. |
.TA | Tabbing |
Headings
| Comando | Funcionalidad |
.NH xxx | Numbered heading where numbers specify levels of depth |
.SH xxx | Section heading (un-numbered) |
.LH | Left header |
.CH | Center header |
.RH | Right header |
.LF | Left footer |
.CF | Center footer |
.RF | Right footer |
.OH | Headers for odd pages. eg: .OH 'left'center'right' |
.EH | Headers for even pages. |
Pre Processing
| Comando | Funcionalidad |
.TS [H] y .TE | Denotes a table, to be processed by the tbl preprocessor. The optional H argument instructs groff to create a running header with the information up to the TH macro. |
.PS y .PE | Denotes a graphic, to be processed by the pic preprocessor. You can create a pic file by hand, using the AT&T pic manual available on the Web as a reference, or by using a graphics program such as xfig. |
.EQ [align] and .EN | Denotes an equation, to be processed by the eqn preprocessor. The optional align argument can be C, L, or I to center (the default), left-justify, or indent the equation. |
.[ y .] | References and citations block, to be processed by the refer preprocessor. |
Custom Macros
| Comando | Funcionalidad |
.de y .. | You can define macros between this block. They can then be sourced by the same file as well as other files |
.so fichero | Source macros from filename |
Gráficos
| Comando | Funcionalidad |
.PSPIC -[L/R/C/I n] [width[Height]] filename.eps | Insert a post script image into groff. |
.PDFPIC -[L/R/C/I n] [width[Height]] filename.eps | Insert a PDF image into groff. |
Configurar tamaño de papel
Puede configurar el tamaño de su papel virtual usaando el postprocesador incorporado en groff. Se usa -P para pasar argumentos al postprocesador:
groff -k -Tpdf -P-pa4 -P-l -ms fichero.ms > fichero.pdf
Para tomar un papel virtual tamaño A4 en orientación horizontal. Otros formatos válidos son las páginas de tamaño A, B, D, junto con tamaño letter, statement, ledger, y tabloid.
Full reference is available in the DESC section of the groff_font man page.
