Adding upstream version 2.33.1.upstream/2.33.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 205 insertions, 0 deletions

diff --git a/term-utils/script.1 b/term-utils/script.1
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+.\" Copyright (c) 1980, 1990 Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)script.1	6.5 (Berkeley) 7/27/91
+.\"
+.TH SCRIPT "1" "June 2014" "util-linux" "User Commands"
+.SH NAME
+script \- make typescript of terminal session
+.SH SYNOPSIS
+.B script
+[options]
+.RI [ file ]
+.SH DESCRIPTION
+.B script
+makes a typescript of everything displayed on your terminal.  It is useful for
+students who need a hardcopy record of an interactive session as proof of an
+assignment, as the typescript file can be printed out later with
+.BR lpr (1).
+.PP
+If the argument
+.I file
+is given,
+.B script
+saves the dialogue in this
+.IR file .
+If no filename is given, the dialogue is saved in the file
+.BR typescript .
+.SH OPTIONS
+Below, the \fIsize\fR argument may be followed by the multiplicative
+suffixes KiB (=1024), MiB (=1024*1024), and so on for GiB, TiB, PiB, EiB, ZiB and YiB
+(the "iB" is optional, e.g. "K" has the same meaning as "KiB"), or the suffixes
+KB (=1000), MB (=1000*1000), and so on for GB, TB, PB, EB, ZB and YB.
+.TP
+\fB\-a\fR, \fB\-\-append\fR
+Append the output to
+.I file
+or to
+.BR typescript ,
+retaining the prior contents.
+.TP
+\fB\-c\fR, \fB\-\-command\fR \fIcommand\fR
+Run the
+.I command
+rather than an interactive shell.  This makes it easy for a script to capture
+the output of a program that behaves differently when its stdout is not a
+tty.
+.TP
+\fB\-e\fR, \fB\-\-return\fR
+Return the exit code of the child process.  Uses the same format as bash
+termination on signal termination exit code is 128+n.  The exit code of
+the child process is always stored in type script file too.
+.TP
+\fB\-f\fR, \fB\-\-flush\fR
+Flush output after each write.  This is nice for telecooperation: one person
+does `mkfifo foo; script -f foo', and another can supervise real-time what is
+being done using `cat foo'.
+.TP
+\fB\-\-force\fR
+Allow the default output destination, i.e. the typescript file, to be a hard
+or symbolic link.  The command will follow a symbolic link.
+.TP
+\fB\-o\fR, \fB\-\-output-limit\fR \fIsize\fR
+Limit the size of the typescript and timing files to
+.I size
+and stop the child process after this size is exceeded.  The calculated
+file size does not include the start and done messages that the
+.B script
+command prepends and appends to the child process output.
+Due to buffering, the resulting output file might be larger than the specified value.
+.TP
+\fB\-q\fR, \fB\-\-quiet\fR
+Be quiet (do not write start and done messages to standard output).
+.TP
+\fB\-t\fR[\fIfile\fR], \fB\-\-timing\fR[=\fIfile\fR]
+Output timing data to standard error, or to
+.I file
+when given.  This data contains two fields, separated by a space.  The first
+field indicates how much time elapsed since the previous output.  The second
+field indicates how many characters were output this time.  This information
+can be used to replay typescripts with realistic typing and output delays.
+.TP
+\fB\-V\fR, \fB\-\-version\fR
+Display version information and exit.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+Display help text and exit.
+.SH NOTES
+The script ends when the forked shell exits (a
+.I control-D
+for the Bourne shell
+.RB ( sh (1)),
+and
+.IR exit ,
+.I logout
+or
+.I control-d
+(if
+.I ignoreeof
+is not set) for the
+C-shell,
+.BR csh (1)).
+.PP
+Certain interactive commands, such as
+.BR vi (1),
+create garbage in the typescript file.
+.B script
+works best with commands that do not manipulate the screen, the results are
+meant to emulate a hardcopy terminal.
+.PP
+It is not recommended to run
+.B script
+in non-interactive shells.  The inner shell of
+.B script
+is always interactive, and this could lead to unexpected results.  If you use
+.B script
+in the shell initialization file, you have to avoid entering an infinite
+loop.  You can use for example the \fB\%.profile\fR file, which is read
+by login shells only:
+.RS
+.RE
+.sp
+.na
+.RS
+.nf
+if test -t 0 ; then
+    script
+    exit
+fi
+.fi
+.RE
+.ad
+.PP
+You should also avoid use of script in command pipes, as
+.B script
+can read more input than you would expect.
+.PP
+.SH ENVIRONMENT
+The following environment variable is utilized by
+.BR script :
+.TP
+.B SHELL
+If the variable
+.B SHELL
+exists, the shell forked by
+.B script
+will be that shell.  If
+.B SHELL
+is not set, the Bourne shell is assumed.  (Most shells set this variable
+automatically).
+.SH SEE ALSO
+.BR csh (1)
+(for the
+.I history
+mechanism),
+.BR scriptreplay (1)
+.SH HISTORY
+The
+.B script
+command appeared in 3.0BSD.
+.SH BUGS
+.B script
+places
+.I everything
+in the log file, including linefeeds and backspaces.  This is not what the
+naive user expects.
+.PP
+.B script
+is primarily designed for interactive terminal sessions.  When stdin
+is not a terminal (for example: \fBecho foo | script\fR), then the session
+can hang, because the interactive shell within the script session misses EOF and
+.B script
+has no clue when to close the session.  See the \fBNOTES\fR section for more information.
+.SH AVAILABILITY
+The script command is part of the util-linux package and is available from
+.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
+Linux Kernel Archive
+.UE .