stat(1): Misc fixes.
This commit is contained in:
uwe
parent
192ee4d07b
commit
fc5c743ea0
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@ -1,4 +1,4 @@
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.\" $NetBSD: stat.1,v 1.43 2022/06/22 22:25:23 wiz Exp $
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.\" $NetBSD: stat.1,v 1.44 2022/06/22 22:41:13 uwe Exp $
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.\"
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.\" Copyright (c) 2002-2011 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -75,9 +75,9 @@ The
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(and also the
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.Sq path name )
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in this case is
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.Dq \&(stdin) .
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.Ql \&(stdin) .
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The file number
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.Pq Dq %@
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.Pq Ql %@
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will be zero.
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.Pp
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Otherwise the information displayed is obtained by calling
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@ -108,23 +108,23 @@ and
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fields, in that order.
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.Pp
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The options are as follows:
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.Bl -tag -width XFXformatXXX
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.Bl -tag -width Fl
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.It Fl F
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As in
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.Xr ls 1 ,
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display a slash
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.Pq Sq /
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.Pq Ql /
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immediately after each pathname that is a directory, an
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asterisk
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.Pq Sq *
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.Pq Ql *
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after each that is executable, an at sign
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.Pq Sq @
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.Pq Ql @
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after each symbolic link, a percent sign
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.Pq Sq %
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.Pq Ql %
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after each whiteout, an equal sign
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.Pq Sq =
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.Pq Ql =
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after each socket, and a vertical bar
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.Pq Sq \&|
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.Pq Ql \&|
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after each that is a FIFO.
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The use of
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.Fl F
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@ -184,14 +184,20 @@ FMT="$FMT st_flags=%f"
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stat -t %s -f "$FMT" .
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.Ed
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.Pp
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The timefmt may be altered from the default for
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The
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.Ar timefmt
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may be altered from the default for
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.Fl s
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.Pq Dq \&%s ,
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.Pq Ql \&%s
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by also using the
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.Fl t
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option.
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Note that if you use a timefmt that contains embedded whitespace or shell
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meta-characters, or if the shell's IFS is set to a non-standard value,
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Note that if you use a
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.Ar timefmt
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that contains embedded whitespace or shell
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meta-characters, or if the shell's
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.Dv IFS
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is set to a non-standard value,
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you will need to
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include appropriate quoting in the
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.Fl t
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@ -206,7 +212,9 @@ using the specified format.
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This format is
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passed directly to
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.Xr strftime 3
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with the extension that %f prints nanoseconds if available.
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with the extension that
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.Ql %f
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prints nanoseconds if available.
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.It Fl x
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Display information in a more verbose way as seen from some Linux
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distributions.
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@ -235,7 +243,7 @@ or the current file number in the argument list is printed.
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Otherwise the string is examined for the following:
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.Pp
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Any of the following optional flags in any order:
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.Bl -tag -width Ds
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.Bl -tag -width Cm
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.It Cm #
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Selects an alternate output form for string, octal and hexadecimal output.
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String output will be encoded in
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@ -243,7 +251,7 @@ String output will be encoded in
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style.
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Octal output will have a leading zero.
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Non-zero hexadecimal output will have
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.Dq 0x
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.Ql 0x
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prepended to it.
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.It Cm +
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Asserts that a sign indicating whether a number is positive or negative
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@ -262,22 +270,20 @@ overrides a space if both are used.
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.El
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.Pp
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Then followed by the following fields in the following order:
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.Bl -tag -width Ds
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.It Cm size
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.Bl -tag -width Ar
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.It Ar size
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An optional decimal digit string specifying the minimum field width.
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Note that a leading zero
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.Pq Sq 0
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is treated as the
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.Sq 0
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Note that a leading zero is treated as the
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.Sq Cm 0
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flag (above), subsequent embedded zeroes are part of the
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.Cm size .
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.It Cm prec
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.Ar size .
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.It Ar prec
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An optional precision composed of a decimal point
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.Sq Cm \&.
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and a decimal digit string that indicates the maximum string length,
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the number of digits to appear after the decimal point in floating point
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output, or the minimum number of digits to appear in other numeric output.
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.It Cm fmt
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.It Ar fmt
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An optional output format specifier which is one of
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.Cm D ,
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.Cm O ,
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@ -301,20 +307,22 @@ The special output format specifier
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.Cm S
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may be used to indicate that the output, if
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applicable, should be in string format.
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May be used in combination with
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.Bl -tag -width Ds
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.It Cm amc
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May be used in combination with the following field specifiers:
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.Bl -tag -width Cm
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.It Cm a , m , c
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Display date in
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.Xr strftime 3
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format with the extension that %f prints nanoseconds if available.
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.It Cm dr
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format with the extension that
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.Ql %f
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prints nanoseconds if available.
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.It Cm d , r
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Display actual device name.
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.It Cm gu
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.It Cm g , u
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Display group or user name.
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.It Cm p
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Display the mode of
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.Ar file
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as in
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symbolically, as in
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.Ic ls -lTd .
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.It Cm N
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Displays the name of
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@ -322,8 +330,10 @@ Displays the name of
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.It Cm T
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Displays the type of
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.Ar file .
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.It Cm RY
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Insert a `` -> '' into the output.
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.It Cm R , Y
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Insert a
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.Sq Li \~->\~ \" .Ql, but force quotes even in PS output
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into the output.
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Note that the default output formats for
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.Cm Y
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and
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@ -332,49 +342,51 @@ are strings, if
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.Cm S
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is specified explicitly, these four characters are prepended.
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.El
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.It Cm sub
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An optional sub field specifier (high, middle, or low).
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.It Ar sub
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An optional sub field specifier: high, middle, or low.
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Only applies to the
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.Cm p ,
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.Cm d ,
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.Cm N ,
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.Cm p ,
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.Cm r ,
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.Cm T ,
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.Cm N ,
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and
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.Cm z
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output field specifiers.
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It can be one of the following:
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.Bl -tag -width Ds
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.Bl -tag -width Cm
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.It Cm H
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.Dq High
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\(em depending on the
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.Cm datum :
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.Bl -tag -compact -width door
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subfield of
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.Ar datum\^ :
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.Bl -tag -compact -width Cm
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.It Cm d , r
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Major number for devices
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.It Cm p
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.Dq User
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bits from the string form of permissions or the file
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.Dq type
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bits from the numeric forms
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.It Cm T
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The long output form of file type
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.It Cm N
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Directory path of the file, similar to what
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.Xr dirname 1
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would show
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.It Cm p
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.Dq User
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bits from the string form of permissions,
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or the file
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.Dq type
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bits from the numeric forms
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.It Cm T
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The long output form of file type
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.It Cm z
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File size, rounded to the nearest gigabyte
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.El
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.It Cm M
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.Dq Middle
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\(em depending on the
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.Cm datum :
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.Bl -tag -compact -width door
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subfield of
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.Ar datum\^ :
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.Bl -tag -compact -width Cm
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.It Cm p
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The
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.Dq group
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bits from the string form of permissions or the
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bits from the string form of permissions,
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or the
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.Dq suid ,
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.Dq sgid ,
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and
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@ -385,15 +397,20 @@ File size, rounded to the nearest megabyte
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.El
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.It Cm L
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.Dq Low
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\(em depending on the
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.Cm datum :
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.Bl -tag -compact -width door
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.It Cm r , d
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subfield of
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.Ar datum\^ :
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.Bl -tag -compact -width Cm
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.It Cm d , r
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Minor number for devices
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.It Cm N
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Base filename of the file, similar to what
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.Xr basename 1
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would show
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.It Cm p
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The
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.Dq other
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bits from the string form of permissions or the
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bits from the string form of permissions,
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or the
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.Dq user ,
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.Dq group ,
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and
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@ -405,15 +422,11 @@ The
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style output character for file type (the use of
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.Cm L
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here is optional)
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.It Cm N
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Base filename of the file, similar to what
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.Xr basename 1
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would show
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.It Cm z
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File size, rounded to the nearest kilobyte
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.El
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.El
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.It Cm datum
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.It Ar datum
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A required field specifier, ending the conversion specification,
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being one of the following:
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.Bl -tag -width 11n
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@ -469,7 +482,9 @@ Inode generation number
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.El
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.Pp
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The following five field specifiers are not drawn directly from the
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data in struct stat, but are:
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data in
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.Vt struct stat ,
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but are:
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.Bl -tag -width Ds
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.It Cm N
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The name of the file.
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@ -485,28 +500,31 @@ is given.
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The target of a symbolic link.
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.It Cm Z
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Expands to
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.Dq Ar major , Ns Ar minor
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from the
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.Fa st_rdev
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field for character or block special devices
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(that is,
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.Dq %Hr,%-Lr )
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.Dq Ar major Ns Li \&, Ns Ar minor\^
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.Po
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that is,
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.Sq Li %Hr,%-Lr
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.Pc
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for character or block special devices,
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and gives size output
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.Pq Fa st_size
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.Pq Dq %z
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for all others.
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.Pq Sq Li %z
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for all other file types.
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A specified field width applies to the overall result
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(approximately half each for the two device file sub-fields),
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but precision, output format, and flags are used separately for
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each conversion made (but note the
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.Sq Fl
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in the %Lr conversion.)
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.Sq Cm -
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in the
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.Sq Li %-Lr
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conversion.)
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.El
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.El
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.Pp
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Only the
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.Cm %
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and the datum (field specifier) are required.
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.Sq Cm %
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and the
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.Ar datum
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(field specifier) are required.
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Most field specifiers default to
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.Cm U
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as an output format, with the
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@ -540,14 +558,14 @@ Thus:
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.Ed
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.Pp
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This next example produces output very similar to that from
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.Ic find ... -ls
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(except that
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.Ic find Ar \&.\|.\|. Ic -ls ,
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except that
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.Xr find 1
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displays the time in a different format, and
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.Xr find 1
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sometimes adds one or more spaces after the comma in
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.Dq Ar major , Ns Ar minor
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for device nodes):
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.Dq Ar major Ns Li \&, Ns Ar minor\^
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for device nodes:
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.Bd -literal -offset indent
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> stat -f "%7i %6b %-11Sp %3l %-17Su %-17Sg %9Z %Sm %N%SY" /tmp/bar
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78852 0 -rw-r--r-- 1 root wheel 0 Jul 8 10:26:03 2004 /tmp/bar
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@ -557,15 +575,13 @@ for device nodes):
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.Ed
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.Pp
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This example produces output very similar to that from
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.Ic ls -lTd
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(except that
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.Ic ls -lTd ,
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except that
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.Xr ls 1
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adjusts the column spacing differently when listing multiple files,
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and
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.Xr ls 1
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adds at least one space after the comma in
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.Dq Ar major , Ns Ar minor
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for device nodes):
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and adds at least one space after the comma in
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.Dq Ar major Ns Li \&, Ns Ar minor\^
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for device nodes:
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.Bd -literal -offset indent
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> stat -f "%-11Sp %l %Su %Sg %Z %Sm %N%SY" /tmp/bar
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-rw-r--r-- 1 root wheel 0 Jul 8 10:26:03 2004 /tmp/bar
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@ -575,10 +591,8 @@ for device nodes):
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.Ed
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.Pp
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Given a symbolic link
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.Dq foo
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that points from
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.Pa /tmp/foo
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to
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that points to
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.Pa / ,
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you would use
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.Nm
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@ -591,7 +605,7 @@ lrwxrwxrwx 1 jschauma cs 1 Apr 24 16:37:28 2002 /tmp/foo@ -> /
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drwxr-xr-x 16 root wheel 512 Apr 19 10:57:54 2002 /tmp/foo/
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.Ed
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.Pp
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To initialize some shell-variables, you could use the
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To initialize some shell variables, you could use the
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.Fl s
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flag as follows:
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.Bd -literal -offset indent
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@ -653,8 +667,8 @@ User names, group names, and file names that contain spaces
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or other special characters may be encoded in
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.Xr vis 3
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style, using the
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.Cm \&#
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modifier:
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.Sq Cm \&#
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flag:
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.Bd -literal -offset indent
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> ln -s 'target with spaces' 'link with spaces'
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> stat -f "%#N%#SY" 'link with spaces'
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@ -663,7 +677,7 @@ link\eswith\esspaces -> target\eswith\esspaces
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.Sh SEE ALSO
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.Xr basename 1 ,
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.Xr dirname 1 ,
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.Xr file 1 ,
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.Xr find 1 ,
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.Xr ls 1 ,
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.Xr readlink 1 ,
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.Xr fstat 2 ,
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