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ar(1) [v7 man page]

AR(1)							      General Commands Manual							     AR(1)

NAME
ar - archive and library maintainer SYNOPSIS
ar key [ posname ] afile name ... DESCRIPTION
Ar maintains groups of files combined into a single archive file. Its main use is to create and update library files as used by the loader. It can be used, though, for any similar purpose. Key is one character from the set drqtpmx, optionally concatenated with one or more of vuaibcl. Afile is the archive file. The names are constituent files in the archive file. The meanings of the key characters are: d Delete the named files from the archive file. r Replace the named files in the archive file. If the optional character u is used with r, then only those files with modified dates later than the archive files are replaced. If an optional positioning character from the set abi is used, then the posname argument must be present and specifies that new files are to be placed after (a) or before (b or i) posname. Otherwise new files are placed at the end. q Quickly append the named files to the end of the archive file. Optional positioning characters are invalid. The command does not check whether the added members are already in the archive. Useful only to avoid quadratic behavior when creating a large archive piece-by-piece. t Print a table of contents of the archive file. If no names are given, all files in the archive are tabled. If names are given, only those files are tabled. p Print the named files in the archive. m Move the named files to the end of the archive. If a positioning character is present, then the posname argument must be present and, as in r, specifies where the files are to be moved. x Extract the named files. If no names are given, all files in the archive are extracted. In neither case does x alter the archive file. v Verbose. Under the verbose option, ar gives a file-by-file description of the making of a new archive file from the old archive and the constituent files. When used with t, it gives a long listing of all information about the files. When used with p, it precedes each file with a name. c Create. Normally ar will create afile when it needs to. The create option suppresses the normal message that is produced when afile is created. l Local. Normally ar places its temporary files in the directory /tmp. This option causes them to be placed in the local directory. FILES
/tmp/v* temporaries SEE ALSO
ld(1), ar(5), lorder(1) BUGS
If the same file is mentioned twice in an argument list, it may be put in the archive twice. AR(1)

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AR(1)							    BSD General Commands Manual 						     AR(1)

NAME
ar -- create and maintain library archives SYNOPSIS
ar -d [-TLsv] archive file ... ar -m [-TLsv] archive file ... ar -m [-abiTLsv] position archive file ... ar -p [-TLsv] archive [file ...] ar -q [-cTLsv] archive file ... ar -r [-cuTLsv] archive file ... ar -r [-abciuTLsv] position archive file ... ar -t [-TLsv] archive [file ...] ar -x [-ouTLsv] archive [file ...] DESCRIPTION
The ar utility creates and maintains groups of files combined into an archive. Once an archive has been created, new files can be added and existing files can be extracted, deleted, or replaced. Files are named in the archive by a single component, i.e., if a file referenced by a path containing a slash (``/'') is archived it will be named by the last component of that path. When matching paths listed on the command line against file names stored in the archive, only the last component of the path will be compared. All informational and error messages use the path listed on the command line, if any was specified, otherwise the name in the archive is used. If multiple files in the archive have the same name, and paths are listed on the command line to ``select'' archive files for an oper- ation, only the first file with a matching name will be selected. The normal use of ar is for the creation and maintenance of libraries suitable for use with the loader (see ld(1)) although it is not restricted to this purpose. The options are as follows: -a A positioning modifier used with the options -r and -m. The files are entered or moved after the archive member position, which must be specified. -b A positioning modifier used with the options -r and -m. The files are entered or moved before the archive member position, which must be specified. -c Whenever an archive is created, an informational message to that effect is written to standard error. If the -c option is specified, ar creates the archive silently. -d Delete the specified archive files. -i Identical to the -b option. -m Move the specified archive files within the archive. If one of the options -a, -b or -i are specified, the files are moved before or after the position file in the archive. If none of those options are specified, the files are moved to the end of the archive. -o Set the access and modification times of extracted files to the modification time of the file when it was entered into the archive. This will fail if the user is not the owner of the extracted file or the super-user. -p Write the contents of the specified archive files to the standard output. If no files are specified, the contents of all the files in the archive are written in the order they appear in the archive. -q (Quickly) append the specified files to the archive. If the archive does not exist a new archive file is created. Much faster than the -r option, when creating a large archive piece-by-piece, as no checking is done to see if the files already exist in the archive. -r Replace or add the specified files to the archive. If the archive does not exist a new archive file is created. Files that replace existing files do not change the order of the files within the archive. New files are appended to the archive unless one of the options -a, -b or -i is specified. -T Select and/or name archive members using only the first fifteen characters of the archive member or command line file name. The his- toric archive format had sixteen bytes for the name, but some historic archiver and loader implementations were unable to handle names that used the entire space. This means that file names that are not unique in their first fifteen characters can subsequently be confused. A warning message is printed to the standard error output if any file names are truncated. (See ar(5) for more infor- mation.) -L Used the extended format to allow long archive member names. This is the default. -s Write an object-file index into the archive, or update an existing one, even if no other change is made to the archive. You may use this modifier flag either with any operation, or alone. Running `ar s' on an archive is equivalent to running `ranlib' on it. -t List the specified files in the order in which they appear in the archive, each on a separate line. If no files are specified, all files in the archive are listed. -u Update files. When used with the -r option, files in the archive will be replaced only if the disk file has a newer modification time than the file in the archive. When used with the -x option, files in the archive will be extracted only if the archive file has a newer modification time than the file on disk. -v Provide verbose output. When used with the -d, -m, -q or -x options, ar gives a file-by-file description of the archive modifica- tion. This description consists of three, white-space separated fields: the option letter, a dash (``-'') and the file name. When used with the -r option, ar displays the description as above, but the initial letter is an ``a'' if the file is added to the archive and an ``r'' if the file replaces a file already in the archive. When used with the -p option, the name of each printed file is written to the standard output before the contents of the file, pre- ceded by a single newline character, and followed by two newline characters, enclosed in less-than (``<'') and greater-than (``>'') characters. When used with the -t option, ar displays an ``ls -l'' style listing of information about the members of the archive. This listing consists of eight, white-space separated fields: the file permissions (see strmode(3) ), the decimal user and group ID's, separated by a single slash (``/''), the file size (in bytes), the file modification time (in the date(1) format ``%b %e %H:%M %Y''), and the name of the file. -x Extract the specified archive members into the files named by the command line arguments. If no members are specified, all the mem- bers of the archive are extracted into the current directory. If the file does not exist, it is created; if it does exist, the owner and group will be unchanged. The file access and modification times are the time of the extraction (but see the -o option). The file permissions will be set to those of the file when it was entered into the archive; this will fail if the user is not the owner of the extracted file or the super-user. The ar utility exits 0 on success, and >0 if an error occurs. ENVIRONMENT
TMPDIR The pathname of the directory to use when creating temporary files. FILES
/tmp default temporary file directory ar.XXXXXX temporary file names COMPATIBILITY
By default, ar writes archives that may be incompatible with historic archives, as the format used for storing archive members with names longer than fifteen characters has changed. This implementation of ar is backward compatible with previous versions of ar in that it can read and write (using the -T option) historic archives. The -T option is provided for compatibility only, and will be deleted in a future release. See ar(5) for more information. STANDARDS
The ar utility is expected to offer a superset of the IEEE Std 1003.2 (``POSIX.2'') functionality. SEE ALSO
ld(1), ranlib(1), strmode(3), ar(5) Darwin November 28, 2001 Darwin
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