tests/od/od-N

   1 #!/bin/sh
   2 # Verify that `od -N N' reads no more than N bytes of input.
   3
   4 if test "$VERBOSE" = yes; then
   5   set -x
   6   od --version
   7 fi
   8
   9 # FIXME: . $srcdir/../envvar-check
  10 # FIXME: . $srcdir/../lang-default
  11 # FIXME: PRIV_CHECK_ARG=require-root . $srcdir/../priv-check
  12 # FIXME: PRIV_CHECK_ARG=require-non-root . $srcdir/../priv-check
  13
  14 pwd=`pwd`
  15 tmp=od-N.$$
  16 trap 'status=$?; cd $pwd; rm -rf $tmp && exit $status' 0
  17 trap '(exit $?); exit' 1 2 13 15
  18
  19 framework_failure=0
  20 mkdir $tmp || framework_failure=1
  21 cd $tmp || framework_failure=1
  22 echo abcdefg > in || framework_failure=1
  23
  24 if test $framework_failure = 1; then
  25   echo 'failure in testing framework' 1>&2
  26   (exit 1); exit
  27 fi
  28
  29 fail=0
  30
  31 (od -An -N3 -c; od -An -N3 -c) < in > out
  32 cat <<EOF > exp || fail=1
  33    a   b   c
  34    d   e   f
  35 EOF
  36 cmp out exp || {
  37   fail=1
  38   diff out exp 2> /dev/null
  39   }
  40
  41 (exit $fail); exit