symlink-slash

实战Linux编程的原代码,希望对学驱动的人能有所帮助

#!/bin/sh
# Do dereference a symlink arg if its name is written with a trailing slash.

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

. $srcdir/../lang-default

tmp=t-ls.$$

framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1

mkdir dir || framework_failure=1
ln -s dir symlink || framework_failure=1

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

fail=0
set `ls -l symlink/`

# Prior to fileutils-4.0k, the following would have output `... symlink -> dir'.
test "$*" = 'total 0' && : || fail=1

cd ..
rm -rf $tmp

exit $fail