X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=gzip.1;h=2989842b80f8ac7340a5a648e87a98417edb8d8d;hb=HEAD;hp=f5d03ff3ef59b6fa5ba6aa952f8d61d28509c3ab;hpb=db00b4e39677b0dbf3ea6f7694e0eac7be4ef141;p=gzip diff --git a/gzip.1 b/gzip.1 index f5d03ff..2989842 100644 --- a/gzip.1 +++ b/gzip.1 @@ -210,7 +210,7 @@ is read from or written to a terminal. If the input data is not in a format recognized by .I gzip, and if the option --stdout is also given, copy the input data without change -to the standard ouput: let +to the standard output: let .I zcat behave as .I cat. @@ -290,6 +290,15 @@ will descend into the directory and compress all the files it finds there .I gunzip ). .TP +.B --rsyncable +While compressing, synchronize the output occasionally based on the input. +This increases size by less than 1 percent most cases, but means that the +.BR rsync (1) +program can much more efficiently synchronize files compressed with this flag. +.I gunzip +cannot tell the difference between a compressed file created with this option, +and one created without it. +.TP .B \-S .suf --suffix .suf Use suffix .suf instead of .gz. Any suffix can be given, but suffixes other than .z and .gz should be avoided to avoid confusion when files @@ -473,7 +482,7 @@ GNU tar. Make sure that the same block size (-b option of tar) is used for reading and writing compressed data on tapes. (This example assumes you are using the GNU version of tar.) .SH BUGS -The gzip format represents the the input size modulo 2^32, so the +The gzip format represents the input size modulo 2^32, so the --list option reports incorrect uncompressed sizes and compression ratios for uncompressed files 4 GB and larger. To work around this problem, you can use the following command to discover a large