[Bug 342433] Re: hexdump :: irregular illegal seek

Ralph Corderoy ralph at inputplus.co.uk
Sat Jan 28 14:44:42 UTC 2012


Ubuntu 10.10, bsdmainutils 8.0.11ubuntu1, seems to be working fine.

    $ echo "ABCD" | hexdump -s 1
    0000001 4342 0a44                              
    0000005

That's "CB \nD";  the A has been skipped.

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https://bugs.launchpad.net/bugs/342433

Title:
  hexdump :: irregular illegal seek

Status in “bsdmainutils” package in Ubuntu:
  Confirmed
Status in “bsdmainutils” package in Debian:
  Fix Released

Bug description:
  Binary package hint: bsdmainutils

  I just found out that the hexdump program from the bsdmainutils
  package at least version 6.1.10ubuntu2 (also version 6.1.6 in Debian
  4) for architecture AMD64 throws an "illegal seek" error when dealing
  with stdin input while using the -s option.

  Simple test: echo "test" | hexdump -s 1

  Most times all things are OK but sometimes it just throws an error:
  "hexdump: stdin: Illegal seek"

  The same tests made with "od" or "xxd" are OK.

  I've attached a simple test script to verify the problem
  ("testBackslashHex.sh").

  1.) using Ubuntu 8.10 (kernel 2.6.27.11-generic)
  2.) bsdmainutils 6.1.10ubuntu2
  3.) + 4.) see text

  Ancoron

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