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

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Diff for /src/usr.bin/gzip/gzip.1 between version 1.26 and 1.27

version 1.26, 2015/10/27 07:36:18

version 1.27, 2017/01/08 14:18:31

Line 24

.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

.\" SUCH DAMAGE.

.\"

.Dd October 26, 2015

.Dd January 8, 2017

.Dt GZIP 1

.Os

.Sh NAME

Line 99 or

.Sh OPTIONS

The following options are available:

.Bl -tag -width XXrXXXrecursiveX

.It Fl 1 , -fast

.It Fl 1 , Fl Fl fast

.It Fl 2

.It Fl 3

.It Fl 4

Line 107 The following options are available:

.It Fl 6

.It Fl 7

.It Fl 8

.It Fl 9 , -best

.It Fl 9 , Fl Fl best

These options change the compression level used, with the

.Fl 1

option being the fastest, with less compression, and the

.Fl 9

option being the slowest, with optimal compression.

The default compression level is 6.

.It Fl c , -stdout , -to-stdout

.It Fl c , Fl Fl stdout , Fl Fl to-stdout

This option specifies that output will go to the standard output

stream, leaving files intact.

.It Fl d , -decompress , -uncompress

.It Fl d , Fl Fl decompress , Fl Fl uncompress

This option selects decompression rather than compression.

.It Fl f , -force

.It Fl f , Fl Fl force

This option turns on force mode.

This allows files with multiple links, overwriting of pre-existing

files, reading from or writing to a terminal, and when combined

with the

.Fl c

option, allowing non-compressed data to pass through unchanged.

.It Fl h , -help

.It Fl h , Fl Fl help

This option prints a usage summary and exits.

.It Fl l , -list

.It Fl k , Fl Fl keep

This option prevents

.Nm

from deleting input files after (de)compression.

.It Fl l , Fl Fl list

This option displays information about the file's compressed and

uncompressed size, ratio, uncompressed name.

With the

.Fl v

option, it also displays the compression method, CRC, date and time

embedded in the file.

.It Fl N , -name

.It Fl N , Fl Fl name

This option causes the stored filename in the input file to be used

as the output file.

.It Fl n , -no-name

.It Fl n , Fl Fl no-name

This option stops the filename and timestamp from being stored in

the output file.

.It Fl q , -quiet

.It Fl q , Fl Fl quiet

With this option, no warnings or errors are printed.

.It Fl r , -recursive

.It Fl r , Fl Fl recursive

This option is used to

.Nm

the files in a directory tree individually, using the

.Xr fts 3

library.

.It Fl S Ar suffix , Fl -suffix Ar suffix

.It Fl S Ar suffix , Fl Fl suffix Ar suffix

This option changes the default suffix from .gz to

.Ar suffix .

.It Fl t , -test

.It Fl t , Fl Fl test

This option will test compressed files for integrity.

.It Fl V , -version

.It Fl V , Fl Fl version

This option prints the version of the

.Nm

program.

.It Fl v , -verbose

.It Fl v , Fl Fl verbose

This option turns on verbose mode, which prints the compression

ratio for each file compressed.

.El

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