ansitape man page on 4.4BSD

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ANSITAPE(1)							   ANSITAPE(1)

NAME
       ansitape - ANSI standard tape handler

SYNOPSIS
       ansitape [key] [keyargs] [files]

DESCRIPTION
       Ansitape	 reads and writes magnetic tapes written in ANSI standard for‐
       mat (called ``Files-11''	 by  DEC).   Tapes  written  by	 ansitape  are
       labeled	with  the  first  6 characters of the machine name by default.
       Actions are controlled by the key argument.  The key  is	 a  string  of
       characters  containing at most one function letter.  Other arguments to
       the command are a tape label and file names specifying which files  are
       to be written onto or extracted from the tape.

       The  function  portion  of the key is specified by one of the following
       letters:

       r       The named files are written at the end  of  the	tape.	The  c
	       function implies this.

       x       The  named files are extracted from the tape.  If no file argu‐
	       ment is given, the entire contents of the  tape	is  extracted.
	       Note  that if the tape has duplicated file names, only the last
	       file of a given name can be extracted.

       t       The names of the specified files	 are  listed  each  time  they
	       occur  on the tape.  If no file argument is given, all files on
	       the tape are listed.

       c       Create a new tape; writing begins at the beginning of the  tape
	       instead of after the last file.	This command implies r.

       The  following  characters  may be used in addition to the letter which
       selects the function desired.

       f       This argument allows the selection of a different tape  device.
	       The  next word in the keyargs list is taken to be the full name
	       of a device to write the tape on.  The default is /dev/rmt12.

       n       The n option allows the user to specify as the next argument in
	       the  keyargs list, a control file containing the names of files
	       to put on the tape.  If the file name is '-', the control  file
	       will,  instead,	be read from standard input.  The control file
	       contains one line for each file to be placed on the tape.  Each
	       line  has two names, the name of the file on the local machine,
	       and the name it is to have  when	 placed	 on  the  tape.	  This
	       allows for more convenient flattening of hierarchies when plac‐
	       ing them on tape.  If the second name is omitted, the UNIX file
	       name  will be used on the tape also.  This argument can only be
	       used with the r and c functions.

       l       The l option allows the user to specify the label to be	placed
	       on the tape.  The next argument in the keyargs list is taken as
	       the tape label, which will be space padded or truncated to  six
	       characters.  This option is meaningless unless c is also speci‐
	       fied.

       v       Normally ansitape works relatively silently.  The  v  (verbose)
	       option causes it to type information about each file as it pro‐
	       cesses it.

       b       The b option allows the user to select the blocksize to be used
	       for the tape.  By default, ansitape uses the maximum block size
	       permitted by the ANSI standard, 2048.  Some systems will permit
	       a  much	larger block size, and if large files are being put on
	       the tape it may be advantageous to do so.  Ansitape  will  take
	       the  next argument of the keyargs list as the blocksize for the
	       tape.  Values below 18 or above 32k will	 be  limited  to  that
	       range.	The  standard  scale  factors  b=512  and  k=1024  are
	       accepted.

       F       The F flag allows ansitape  to  write  ansi  'D'	 format	 fixed
	       record  length tapes.  The next two keyargs must be the record‐
	       size and blocksize to be used, with the same scale factors  and
	       range  limits  as for the b option.  The files to be written by
	       the F flag must be in fixed format on the unix end - all	 lines
	       should be EXACTLY recordsize bytes long plus a terminating new‐
	       line (which will be discarded).	Note that this is exactly  the
	       same  format produced by ansitape when reading an ansi 'D' for‐
	       mat tape.

       Ansitape will not copy directories, character or block  special	files,
       symbolic	 links, sockets, or binary executables.	 Attempts to put these
       on tape will result in warnings, and they will be skipped completely.

FILES
       /dev/rmt12

DIAGNOSTICS
       A warning message will be generated when a record exceeds  the  maximum
       record length and the affected file will be truncated.

BUGS
       Ansitape quietly truncates names longer than 17 characters.
       Multivolume  tapes  can	be  read  (provided  no files cross the volume
       boundary) but not written.

4th Berkeley Distribution	April 10, 1985			   ANSITAPE(1)
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