03-11-2002
Check the man page on mt for controlling the tape drive and checking to see if it's available.
As far as the setting a variable, it matters which shell you are using.
i thought about the commands
tar -tvf $tape1 > mylist
and then do the command wc -l mylist
but how can i put the output into a variable for exemple $Mynumber
In csh - set Mynumber =`wc -l mylist`
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LEARN ABOUT DEBIAN
dds-dd
dds-dd(1) General Commands Manual dds-dd(1)
NAME
dds-dd - tool to read a dds device.
SYNOPSIS
dds-dd [ -f device ]
DESCRIPTION
dds-dd reads a dds tape devices (DAT). Every block is read and written to stdout. A tape with unknown block size or blocks of different
size can be read.
The default device is /dev/rmt0, which may be overridden with the environment variable TAPE, which in turn may be overridden with the
-f device option. The device must be a character special file.
OPTIONS
-f device
Device of the tape archive (default is /dev/rmt0). Must be a character special file connected to a dds tape device.
-V,--version
Print the version number of mt-dds to stderr and exit immediately.
--help print some screens of online help with examples through a pager and exit immediately.
EXAMPLES
Example: Read the tape and make a listing:
dds-dd | tar ft -
Example: Read the tape and make a listing:
dds-dd | cpio -it
ENVIRONMENT
The environment variable TAPE overrides the default tape device /dev/rmt0.
SEE ALSO
dds2tar(1), dds2index(1), mt(1), tar(1)
HISTORY
This program was created to use it in conjunction with dds2tar.
AUTHOR
J"org Weule (weule@cs.uni-duesseldorf.de), Phone +49 211 751409. This software is available at ftp.uni-duesseldorf.de:/pub/unix/apollo
2.4 dds-dd(1)