diff options
Diffstat (limited to 'tests/dd/skip-seek2')
-rwxr-xr-x | tests/dd/skip-seek2 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/dd/skip-seek2 b/tests/dd/skip-seek2 new file mode 100755 index 0000000..a4fc9ab --- /dev/null +++ b/tests/dd/skip-seek2 @@ -0,0 +1,57 @@ +#!/bin/sh +# show how to skip an amount that is smaller than the nominal block size. +# There's a more realistic example in the documentation. + +# Copyright (C) 2000, 2004, 2006 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +if test "$VERBOSE" = yes; then + set -x + dd --version +fi + +pwd=`pwd` +tmp=skip-seek.$$ +trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0 +trap '(exit $?); exit' 1 2 13 15 + +framework_failure=0 +mkdir $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +if test $framework_failure = 1; then + echo 'failure in testing framework' + (exit 1); exit 1 +fi + +fail=0 + +echo LA:3456789abcdef > in || fail=1 +(dd bs=1 skip=3 count=0 && dd bs=5) < in > out 2> /dev/null || fail=1 +case `cat out` in + 3456789abcdef) ;; + *) fail=1 ;; +esac + +echo LA:3456789abcdef > in || fail=1 +(dd bs=1 skip=3 count=0 && dd bs=5 count=2) < in > out 2> /dev/null || fail=1 +case `cat out` in + 3456789abc) ;; + *) fail=1 ;; +esac + +(exit $fail); exit $fail |