EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU> wrote on 
09/17/2008 06:38:53 PM:

> [quote="Rutherford, Rodney"]
> > 
> > 
> > You don't indicate what platform you are on, but if it is a UNIX
> > platform, here is a simple shell script that I have previouly used
> > to blank any labels so they can then be used with auto-media 
management.
> > 
> > Copy/paste everything between the BEGIN/END lines to a file called
> > nsr_blank_label.sh then update the JUKE, TDEV, and SLOTS variables
> > to match your configs.  Then run with:
> > 
> > /bin/sh nsr_blank_label.sh
> > 
> > Rodney
> > 
> 
> 
> I am running on Windows... I don't have the dd command.  Linux/UNIX 
only?

There is a dd utility available for Windows. Available in GNU CoreUtils 
for Win32 ...

C:\PHA Scripts>dd --help
Usage: dd [OPERAND]...
  or:  dd OPTION
Copy a file, converting and formatting according to the operands.

  bs=BYTES        force ibs=BYTES and obs=BYTES
  cbs=BYTES       convert BYTES bytes at a time
  conv=CONVS      convert the file as per the comma separated symbol lis
  count=BLOCKS    copy only BLOCKS input blocks
  ibs=BYTES       read BYTES bytes at a time
  if=FILE         read from FILE instead of stdin
  iflag=FLAGS     read as per the comma separated symbol list
  obs=BYTES       write BYTES bytes at a time
  of=FILE         write to FILE instead of stdout
  oflag=FLAGS     write as per the comma separated symbol list
  seek=BLOCKS     skip BLOCKS obs-sized blocks at start of output
  skip=BLOCKS     skip BLOCKS ibs-sized blocks at start of input
  status=noxfer   suppress transfer statistics

BLOCKS and BYTES may be followed by the following multiplicative suffixe
xM M, c 1, w 2, b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024,
GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P, E, Z, Y.

Each CONV symbol may be:

  ascii     from EBCDIC to ASCII
  ebcdic    from ASCII to EBCDIC
  ibm       from ASCII to alternate EBCDIC
  block     pad newline-terminated records with spaces to cbs-size
  unblock   replace trailing spaces in cbs-size records with newline
  lcase     change upper case to lower case
  nocreat   do not create the output file
  excl      fail if the output file already exists
  notrunc   do not truncate the output file
  ucase     change lower case to upper case
  swab      swap every pair of input bytes
  noerror   continue after read errors
  sync      pad every input block with NULs to ibs-size; when used
              with block or unblock, pad with spaces rather than NULs
  fdatasync physically write output file data before finishing
  fsync     likewise, but also write metadata

Each FLAG symbol may be:

  append    append mode (makes sense only for output)
  sync      likewise, but also for metadata
  nonblock  use non-blocking I/O

Sending a SIGUSR1 signal to a running `dd' process makes it
print I/O statistics to standard error, then to resume copying.

  $ dd if=/dev/zero of=/dev/null& pid=$!
  $ kill -USR1 $pid; sleep 1; kill $pid
  18335302+0 records in
  18335302+0 records out
  9387674624 bytes (9.4 GB) copied, 34.6279 seconds, 271 MB/s

Options are:

      --help     display this help and exit
      --version  output version information and exit

Report bugs to <bug-coreutils AT gnu DOT org>.


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