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diff --git a/text-utils/pg.1 b/text-utils/pg.1 new file mode 100644 index 0000000..1200ab8 --- /dev/null +++ b/text-utils/pg.1 @@ -0,0 +1,238 @@ +.\" Copyright 2001 Gunnar Ritter +.TH PG 1 "July 2014" "util-linux" "User Commands" +.SH NAME +pg \- browse pagewise through text files +.SH SYNOPSIS +.B pg +.RB [ \-\fIamount\fP ] +.RB [ \-p +.IR prompt ] +.RB [ \-cefnrs ] +.RB [ +\fIline\fP ] +.RB [ +/\fIpattern\fP/ ] +.RI [ file ...] +.SH DESCRIPTION +.B pg +displays a text file on a +.SM CRT +one screenful at once. +After each page, a prompt is displayed. The user may then either press the +newline key to view the next page or one of the keys described below. +.PP +If no filename is given on the command line, +.B pg +reads from standard input. +If standard output is not a terminal, +.B pg +acts like +.BR cat (1) +but precedes each file with its name if there is more than one. +.PP +If input comes from a pipe, +.B pg +stores the data in a buffer file while reading, +to make navigation possible. +.SH OPTIONS +.B pg +accepts the following options: +.TP +.BI + number +Start at the given line number. +.TP +.BI +/ pattern / +Start at the line containing the Basic Regular Expression +.I pattern +given. +.TP +.BI \- number +The number of lines per page. By default, this is the number of +.SM CRT +lines minus one. +.TP +.B \-c +Clear the screen before a page is displayed, +if the terminfo entry for the terminal provides this capability. +.TP +.B \-e +Do not pause and display +.SM (EOF) +at the end of a file. +.TP +.B \-f +Do not split long lines. +.TP +.B \-n +Without this option, commands must be terminated by a newline character. +With this option, +.B pg +advances once a command letter is entered. +.TP +.BI \-p \ string +Instead of the normal prompt +.IR : , +.I string +is displayed. +If +.I string +contains +.BR %d , +its first occurrence is replaced by the number of the current page. +.TP +.B \-r +Disallow the shell escape. +.TP +.B \-s +Print messages in +.I standout +mode, +if the terminfo entry for the terminal provides this capability. +.TP +.BR \-V , " \-\-version" +Display version information and exit. +.TP +.BR \-h , " \-\-help" +Display help text and exit. +.SH COMMANDS +The following commands may be entered at the prompt. Commands preceded by +.I i +in this document accept a number as argument, positive or negative. +If this argument starts with +.B + +or +.BR \- , +it is interpreted relative to the current position in the input file, +otherwise relative to the beginning. +.TP +.IB i <Enter> +Display the next or the indicated page. +.TP +\fIi\fR\fBd\fR or \fB^D\fR +Display the next halfpage. If +.I i +is given, it is always interpreted relative to the current position. +.TP +.IB i l +Display the next or the indicated line. +.TP +.IB i f +Skip a page forward. +.I i +must be a positive number and is always interpreted relative +to the current position. +.TP +\fIi\fR\fBw\fR or \fIi\fR\fBz\fR +As +.B <Enter> +except that +.I i +becomes the new page size. +.TP +.BR . " or " ^L +Redraw the screen. +.TP +.B $ +Advance to the last line of the input file. +.TP +.IB i / pattern / +Search forward until the first or the \fIi\fR-th +occurrence of the Basic Regular Expression +.I pattern +is found. The search starts +after the current page and stops at the end of the file. +No wrap-around is performed. +.I i +must be a positive number. +.TP +\fIi\fR\fB?\fR\fIpattern\fR\fB?\fR or \fIi\fR\fB^\fR\fIpattern\fR\fB^\fR +Search backward until the first or the \fIi\fR-th +occurrence of the Basic Regular Expression +.I pattern +is found. The search starts +before the current page and stops at the beginning of the file. +No wrap-around is performed. +.I i +must be a positive number. +.PP +The search commands accept an added letter. If +.B t +is given, the line containing the pattern is displayed at the top of the +screen, which is the default. +.B m +selects the middle and +.B b +the bottom of the screen. +The selected position is used in following searches, too. +.TP +.IB i n +Advance to the next file or +.I i +files forward. +.TP +.IB i p +Reread the previous file or +.I i +files backward. +.TP +.BI s \ filename +Save the current file to the given +.I filename. +.TP +.B h +Display a command summary. +.TP +.BI ! command +Execute +.I command +using the shell. +.TP +.BR q " or " Q +Quit. +.PP +If the user presses the interrupt or quit key while +.B pg +reads from the +input file or writes on the terminal, +.B pg +will immediately display the prompt. +In all other situations these keys will terminate +.BR pg . +.SH ENVIRONMENT +The following environment variables +affect the behavior of +.BR pg : +.TP +.B COLUMNS +Overrides the system-supplied number of columns if set. +.TP +.BR LANG ,\ LC_ALL ,\ LC_COLLATE ,\ LC_CTYPE ,\ LC_MESSAGES +See +.BR locale (7). +.TP +.B LINES +Overrides the system-supplied number of lines if set. +.TP +.B SHELL +Used by the +.BR ! " command." +.TP +.B TERM +Determines the terminal type. +.SH NOTES +.B pg +expects the terminal tabulators to be set every eight positions. +.PP +Files that include +.SM NUL +characters cannot be displayed by +.BR pg . +.SH SEE ALSO +.BR cat (1), +.BR more (1), +.BR sh (1p), +.BR terminfo (5), +.BR locale (7), +.BR regex (7), +.BR term (7) +.SH AVAILABILITY +The pg command is part of the util-linux package and is available from +https://www.kernel.org/pub/linux/utils/util-linux/. |