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90aea514c6
Remove ancient SCCS tags from the tree, automated scripting, with two minor fixup to keep things compiling. All the common forms in the tree were removed with a perl script. Sponsored by: Netflix
125 lines
3.3 KiB
Groff
125 lines
3.3 KiB
Groff
.\"-
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.\" Copyright (c) 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Institute of Electrical and Electronics Engineers, Inc.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd May 22, 2023
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.Dt PWD 1
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.Os
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.Sh NAME
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.Nm pwd
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.Nd return working directory name
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.Sh SYNOPSIS
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.Nm
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.Op Fl L | P
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.Sh DESCRIPTION
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The
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.Nm
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utility writes the absolute pathname of the current working directory to
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the standard output.
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.Pp
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Some shells may provide a builtin
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.Nm
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command which is similar or identical to this utility.
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Consult the
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.Xr builtin 1
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manual page.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl L
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Display the logical current working directory.
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.It Fl P
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Display the physical current working directory (all symbolic links resolved).
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.El
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.Pp
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If no options are specified, the
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.Fl P
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option is assumed.
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.Sh ENVIRONMENT
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Environment variables used by
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.Nm :
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.Bl -tag -width ".Ev PWD"
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.It Ev PWD
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Logical current working directory.
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.El
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.Sh EXIT STATUS
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.Ex -std
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.Sh EXAMPLES
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Show current working directory with symbolic links resolved:
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.Bd -literal -offset indent
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$ /bin/pwd
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/usr/src/sys/kern
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.Ed
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.Pp
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Show the logical current directory.
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Then use
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.Xr file 1
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to inspect the
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.Pa /sys
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directory:
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.Bd -literal -offset indent
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$ /bin/pwd -L
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/sys/kern
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$ file /sys
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/sys: symbolic link to usr/src/sys
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.Ed
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.Sh SEE ALSO
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.Xr builtin 1 ,
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.Xr cd 1 ,
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.Xr csh 1 ,
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.Xr realpath 1 ,
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.Xr sh 1 ,
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.Xr getcwd 3
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.Sh STANDARDS
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The
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.Nm
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utility conforms to
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.St -p1003.1-2001 .
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.At v5 .
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.Sh BUGS
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In
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.Xr csh 1
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the command
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.Ic dirs
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is always faster because it is built into that shell.
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However, it can give a different answer in the rare case
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that the current directory or a containing directory was moved after
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the shell descended into it.
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.Pp
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The
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.Fl L
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option does not work unless the
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.Ev PWD
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environment variable is exported by the shell.
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