tests/dd/skip-seek2

   1 #!/bin/sh
   2 # show how to skip an amount that is smaller than the nominal block size.
   3 # There's a more realistic example in the documentation.
   4
   5 # Copyright (C) 2000, 2004, 2006-2010 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 if test "$VERBOSE" = yes; then
  21   set -x
  22   dd --version
  23 fi
  24
  25 . $srcdir/test-lib.sh
  26
  27
  28 echo LA:3456789abcdef > in || fail=1
  29 (dd bs=1 skip=3 count=0 && dd bs=5) < in > out 2> /dev/null || fail=1
  30 case `cat out` in
  31   3456789abcdef) ;;
  32   *) fail=1 ;;
  33 esac
  34
  35 echo LA:3456789abcdef > in || fail=1
  36 (dd bs=1 skip=3 count=0 && dd bs=5 count=2) < in > out 2> /dev/null || fail=1
  37 case `cat out` in
  38   3456789abc) ;;
  39   *) fail=1 ;;
  40 esac
  41
  42 Exit $fail