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Diffstat (limited to 'doc/zutils.texinfo')
| -rw-r--r-- | doc/zutils.texinfo | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/doc/zutils.texinfo b/doc/zutils.texinfo index ccadf05..76f771b 100644 --- a/doc/zutils.texinfo +++ b/doc/zutils.texinfo @@ -5,8 +5,8 @@ @finalout @c %**end of header -@set UPDATED 17 September 2009 -@set VERSION 0.4 +@set UPDATED 1 October 2009 +@set VERSION 0.5 @dircategory Data Compression @direntry @@ -67,8 +67,9 @@ Zcat is a wrapper script around the cat command that allows transparent concatenation of any combination of compressed and non-compressed files. If any given file is compressed, its uncompressed content is used. If a given file does not exist, zcat tries the compressed file names -corresponding to the supported compressors. The supported compressors -are gzip, bzip2, lzip and xz. +corresponding to the supported compressors. If no files are specified, +the standard input is decompressed using the selected compressor and +sent to stdout. The format for running zcat is: @@ -91,6 +92,18 @@ Print an informative help message describing the options and exit. @itemx -V Print the version number of zcat on the standard output and exit. +@item --gzip +Use gzip as decompressor for stdin (default). + +@item --bzip2 +Use bzip2 as decompressor for stdin. + +@item --lzip +Use lzip as decompressor for stdin. + +@item --xz +Use xz as decompressor for stdin. + @end table @@ -102,7 +115,7 @@ Print the version number of zcat on the standard output and exit. Zdiff is a wrapper script around the diff and cmp commands that allows transparent comparison of any combination of compressed and non-compressed files. If any given file is compressed, its uncompressed -content is used. The supported compressors are gzip, bzip2, lzip and xz. +content is used. @noindent Zcmp is a shortcut for @samp{zdiff --cmp} @@ -156,8 +169,9 @@ Zgrep is a wrapper script around the grep command that allows transparent search on any combination of compressed and non-compressed files. If any given file is compressed, its uncompressed content is used. If a given file does not exist, zgrep tries the compressed file -names corresponding to the supported compressors. The supported -compressors are gzip, bzip2, lzip and xz. +names corresponding to the supported compressors. If no files are +specified, the standard input is decompressed using the selected +compressor and fed to grep. @noindent Zegrep is a shortcut for @samp{zgrep -E}@* @@ -185,6 +199,18 @@ Print an informative help message describing the options and exit. @itemx -V Print the version number of zgrep on the standard output and exit. +@item --gzip +Use gzip as decompressor for stdin (default). + +@item --bzip2 +Use bzip2 as decompressor for stdin. + +@item --lzip +Use lzip as decompressor for stdin. + +@item --xz +Use xz as decompressor for stdin. + @end table |