ptardiff5.18(1) [mojave man page]

PTARDIFF(1)						 Perl Programmers Reference Guide					       PTARDIFF(1)

NAME

       ptardiff - program that diffs an extracted archive against an unextracted one

DESCRIPTION

	   ptardiff is a small program that diffs an extracted archive
	   against an unextracted one, using the perl module Archive::Tar.

	   This effectively lets you view changes made to an archives contents.

	   Provide the progam with an ARCHIVE_FILE and it will look up all
	   the files with in the archive, scan the current working directory
	   for a file with the name and diff it against the contents of the
	   archive.

SYNOPSIS

	   ptardiff ARCHIVE_FILE
	   ptardiff -h

	   $ tar -xzf Acme-Buffy-1.3.tar.gz
	   $ vi Acme-Buffy-1.3/README
	   [...]
	   $ ptardiff Acme-Buffy-1.3.tar.gz > README.patch

OPTIONS

	   h   Prints this help message

SEE ALSO

       tar(1), Archive::Tar.

perl v5.18.2							    2018-08-17							       PTARDIFF(1)

TAR(1)							      General Commands Manual							    TAR(1)

NAME

       tar - archiver

SYNOPSIS

       tar key [ file ...  ]

DESCRIPTION

       Tar  saves  and	restores  file trees.  It is most often used to transport a tree of files from one system to another.  The key is a string
       that contains at most one function letter plus optional modifiers.  Other arguments to the command are names of files or directories to	be
       dumped or restored.  A directory name implies all the contained files and subdirectories (recursively).

       The function is one of the following letters:

       c      Create a new archive with the given files as contents.

       x      Extract  the named files from the archive.  If a file is a directory, the directory is extracted recursively.  Modes are restored if
	      possible.  If no file argument is given, extract the entire archive.  If the archive contains multiple entries for a file, the  lat-
	      est one wins.

       t      List all occurrences of each file in the archive, or of all files if there are no file arguments.

       r      The named files are appended to the archive.

       The modifiers are:

       v      (verbose) Print the name of each file treated preceded by the function letter.  With t, give more details about the archive entries.

       f      Use  the	next  argument as the name of the archive instead of the default standard input (for keys x and t) or standard output (for
	      keys c and r).

       u      Use the next (numeric) argument as the user id for files in the output archive.  This is only useful when moving files to a non-Plan
	      9 system.

       g      Use the next (numeric) argument as the group id for files in the output archive.

EXAMPLES

       Tar can be used to copy hierarchies thus:

	      {cd fromdir; tar c .} | {cd todir; tar x}

SOURCE

       /sys/src/cmd/tar.c

SEE ALSO

       ar(1), bundle(1), tapefs(1)

BUGS

       There is no way to ask for any but the last occurrence of a file.
       File path names are limited to 100 characters.
       The tar format allows specification of links and symbolic links, concepts foreign to Plan 9: they are ignored.

																	    TAR(1)