src/usr.bin/compress/compress.1 - diff

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Diff for /src/usr.bin/compress/compress.1 between version 1.35 and 1.36

version 1.35, 2007/01/24 10:53:43

version 1.36, 2007/04/04 13:09:14

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reduction in size and file overwriting are not performed, the input file is

not removed, and the attributes of the input file are not retained.

.Pp

By default, when compressing using the deflate scheme

.Pf ( Fl g ) ,

the original file name and time stamp is stored in the compressed file.

When uncompressing, this information is not used.

Instead, the uncompressed file inherits the time stamp of the

compressed version and the uncompressed file name is generated from

the name of the compressed file as described above.

These defaults may be overridden by the

.Fl N

and

.Fl n

flags, described below.

.Pp

The options are as follows:

.Bl -tag -width Ds

.It Fl 1...9

Line 214

Line 227

is printed instead).

.El

.It Fl N

When compressing, save the original file name and time stamp in the

compressed file.

This information is saved by default when the deflate scheme

.Pf ( Fl g )

is used.

When uncompressing or listing, use the time stamp and file name stored

in the compressed file, if any, for the uncompressed version.

.It Fl n

This information is only available when the deflate scheme

When compressing, do not save the original file name and time stamp.

This information is saved by default when the deflate scheme

.Pf ( Fl g )

is used.

When uncompressing, do not restore the original file name and time stamp.

.It Fl n

By default, the uncompressed file inherits the time stamp of the

When compressing, do not store the original file name and time stamp

compressed version and the uncompressed file name is generated from

in the header of the compressed file.

the name of the compressed file name as described above.

.It Fl O

Use compress mode

(the default).