dir-file

实战Linux编程的原代码,希望对学驱动的人能有所帮助

#!/bin/sh
# mv must fail when src and dest are mismatched directory/non-directory.

if test "$VERBOSE" = yes; then
  set -x
  mv --version
fi

tmp=mv-mismatch-$$
pwd=`pwd`
trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15

framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp
mkdir -p dir/file || framework_failure=1
> file || framework_failure=1

if test $framework_failure = 1; then
  echo 'failure in testing framework'
  exit 1
fi

fail=0

# These should both fail, but until fileutils-4.0q only the second one did.
mv dir file > /dev/null 2>&1 && fail=1
mv file dir > /dev/null 2>&1 && fail=1

exit $fail