# whacks the files in the current directory which are duplicates of the
# files in the directory passed as a parameter.
-# if there is a second parameter, then it is used as the "current directory".
+# if there is a second parameter, then it is used as the "current directory"
+# and it will be the target of any deletions.
exemplar_dir="$1"; shift
whack_dir="$1"; shift
# make sure they gave us a good directory to start with.
if [ -z "$exemplar_dir" ]; then
- echo "whack_dupes"
- echo "-----------"
- echo ""
- echo "This program needs at least one directory parameter. The files in the"
- echo "current directory will be removed if a file in the specified directory"
- echo "already exists. So... the current directory is the less important one"
- echo "and is presumed to have duplicates AND the directory given as parameter"
- echo "is considered important and has the best versions of the files."
+ echo "$(basename $0 .sh): This program needs at least one directory parameter."
+ echo "The files in the current directory will be removed if a file in the specified directory"
+ echo "already exists. So... the current directory is the less important one and is presumed"
+ echo "to have duplicates AND the directory given as parameter is considered important and has"
+ echo "the best versions of the files."
echo "If there is an optional second parameter, then that is used as the"
echo "\"current\" directory where we start from; it will be the less important"
echo "directory and will have its entries cleaned if they're duplicates."
- exit 42;
+ exit 1
fi
# check to make sure they gave us a good directory.
if [ ! -z "$whack_dir" -a ! -d "$whack_dir" ]; then
echo "the directory $whack_dir does not exist."
- exit 3
+ exit 1
fi
# test the tasty remote location with the better contents.
if [ $? -ne 0 ]; then
# an error getting to this directory means its no good for us.
echo "the directory $exemplar_dir is inaccessible."
- exit 2
+ exit 1
fi
the_good_place="$(pwd)"
popd &>/dev/null
current_dir="$(pwd)"
-echo "currdir=$current_dir gooddir=$the_good_place"
+#echo "currdir=$current_dir gooddir=$the_good_place"
if [ "$current_dir" == "$the_good_place" ]; then
# this is not good; they're the same location.
echo "the request would whack all the files in the current directory; ignoring."
- exit 4
+ exit 1
fi
# do the real work now...