src/usr.bin/xinstall/install.1 - diff

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Diff for /src/usr.bin/xinstall/install.1 between version 1.10 and 1.11

version 1.10, 1999/10/17 20:35:48

version 1.11, 2000/03/14 14:58:27

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If the target file already exists and the files are the same,

then don't change the modification time of the target.

.It Fl c

Copy the file. This is actually the default. The

Copy the file.

This is actually the default.

The

.Fl c

option is only included for backwards compatibility.

.It Fl d

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.Xr chflags 1

for a list of possible flags and their meanings.)

.It Fl g

Specify a group. A numeric GID is allowed.

Specify a group.

A numeric GID is allowed.

.It Fl m

Specify an alternate mode.

The default mode is set to rwxr-xr-x (0755).

The specified mode may be either an octal or symbolic value; see

.Xr chmod 1

for a description of possible mode values.

.It Fl o

Specify an owner. A numeric UID is allowed.

Specify an owner.

A numeric UID is allowed.

.It Fl p

Preserve the modification time.

Copy the file, as if the

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except if the target file doesn't already exist or is different,

then preserve the modification time of the file.

.It Fl S

Safe copy. Normally,

Safe copy.

.Nm install

Normally,

unlinks an existing target before installing the new file. With the

.Nm

unlinks an existing target before installing the new file.

With the

.Fl S

flag a temporary file is used and then renamed to be

the target. The reason this is safer is that if the copy or

the target.

The reason this is safer is that if the copy or

rename fails, the existing target is left untouched.

.It Fl s

.Nm install

.Nm

exec's the command

.Pa /usr/bin/strip

to strip binaries so that install can be portable over a large

number of systems and binary types. If the environment variable

number of systems and binary types.

If the environment variable

.Ev STRIP

is set, it is used instead.

.El

.Pp

By default,

.Nm install

.Nm

preserves all file flags, with the exception of the ``nodump'' flag.

preserves all file flags, with the exception of the

.Dq nodump

flag.

.Pp

The

.Nm install

.Nm

utility attempts to prevent moving a file onto itself.

.Pp

Installing

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.Xr mkstemp 3 ,

are created in the target directory.

.Sh ENVIRONMENT

.Nm

The following environment variables affect the execution of

utilizes the following environment variables.

.Nm install :

.Bl -tag -width "STRIP"

.It Ev STRIP

For an alternate

.Xr strip 1

program to run. Default is

program to run.

Default is

.Pa /usr/bin/strip .

.Sh SEE ALSO

.Xr chflags 1 ,

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.Xr chown 8

.Sh HISTORY

The

.Nm install

.Nm

utility appeared in

.Bx 4.2 .

.Sh CAVEATS

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flags are non-standard and should not relied upon for portability.

.Pp

Temporary files may be left in the target directory if

.Nm install

.Nm

exits abnormally.