From: Martin Matuska Date: Sun, 1 Oct 2017 00:17:22 +0000 (+0200) Subject: bsdtar manpage: unify descriptions of compression options X-Git-Tag: v3.3.3~32 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47636913968b0b0dbde770f4234930e84de0e37c;p=thirdparty%2Flibarchive.git bsdtar manpage: unify descriptions of compression options --- diff --git a/tar/bsdtar.1 b/tar/bsdtar.1 index 89b507791..132e11457 100644 --- a/tar/bsdtar.1 +++ b/tar/bsdtar.1 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 25, 2017 +.Dd October 1, 2017 .Dt TAR 1 .Os .Sh NAME @@ -302,19 +302,18 @@ containing the string Compress the resulting archive with .Xr xz 1 . In extract or list modes, this option is ignored. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes XZ compression -automatically when reading archives. +implementation recognizes XZ compression automatically when reading archives. .It Fl j , Fl Fl bzip , Fl Fl bzip2 , Fl Fl bunzip2 (c mode only) Compress the resulting archive with .Xr bzip2 1 . In extract or list modes, this option is ignored. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes bzip2 compression -automatically when reading archives. +implementation recognizes bzip2 compression automatically when reading +archives. .It Fl k , Fl Fl keep-old-files (x mode only) Do not overwrite existing files. @@ -337,29 +336,41 @@ Issue a warning message unless all links to each file are archived. Compress the resulting archive with .Xr lrzip 1 . In extract or list modes, this option is ignored. +Note that this +.Nm tar +implementation recognizes lrzip compression automatically when reading +archives. .It Fl Fl lz4 (c mode only) Compress the archive with lz4-compatible compression before writing it. -In input mode, this option is ignored; lz4 compression is recognized -automatically on input. +In extract or list modes, this option is ignored. +Note that this +.Nm tar +implementation recognizes lz4 compression automatically when reading archives. .It Fl Fl zstd +(c mode only) Compress the archive with zstd-compatible compression before writing it. -In input mode, this option is ignored; lz4 compression is recognized -automatically on input. +In extract or list modes, this option is ignored. +Note that this +.Nm tar +implementation recognizes zstd compression automatically when reading archives. .It Fl Fl lzma (c mode only) Compress the resulting archive with the original LZMA algorithm. +In extract or list modes, this option is ignored. Use of this option is discouraged and new archives should be created with .Fl Fl xz instead. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes LZMA compression -automatically when reading archives. +implementation recognizes LZMA compression automatically when reading archives. .It Fl Fl lzop (c mode only) Compress the resulting archive with .Xr lzop 1 . In extract or list modes, this option is ignored. +Note that this +.Nm tar +implementation recognizes LZO compression automatically when reading archives. .It Fl m , Fl Fl modification-time (x mode only) Do not extract modification time. @@ -832,28 +843,28 @@ is run in x mode as root. Compress the resulting archive with .Xr bzip2 1 . In extract or list modes, this option is ignored. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes bzip2 compression -automatically when reading archives. +implementation recognizes bzip2 compression automatically when reading +archives. .It Fl Z , Fl Fl compress , Fl Fl uncompress (c mode only) Compress the resulting archive with .Xr compress 1 . In extract or list modes, this option is ignored. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes compress compression -automatically when reading archives. +implementation recognizes compress compression automatically when reading +archives. .It Fl z , Fl Fl gunzip , Fl Fl gzip (c mode only) Compress the resulting archive with .Xr gzip 1 . In extract or list modes, this option is ignored. -Note that, unlike other +Note that this .Nm tar -implementations, this implementation recognizes gzip compression -automatically when reading archives. +implementation recognizes gzip compression automatically when reading +archives. .El .Sh ENVIRONMENT The following environment variables affect the execution of