#!/bin/sh
src="$1"
dst="$2"

if [ ! "$src" ]
then
  echo "*** $0: 1st argument is empty" 1>&2
  exit 1
fi

if [ ! "$dst" ]
then
  echo "*** $0: 1st argument is empty" 1>&2
  exit 1
fi

if [ ! -f "$src" ]
then
  echo "*** $0: 1st argument '$1' is no file" 1>&2
  exit 1
fi

case "$dst" in
  /*)
    ;;
  *)
    echo "*** $0: 2nd argument '$2' is not an absolute pathname" 2>&1
    exit 1
    ;;
esac

tmp=`echo "$dst" | sed -e 's,[ 	],@,g'`
if [ ! "$tmp" = $dst ]
then
  echo "*** $0: 2nd argument contains white space characters" 2>&1
  exit 1
fi

parts=`echo "$dst" | sed -e 's,/[/]*, ,g'`
src="`pwd`"/"$src"

cd /

if [ "$parts" ]
then
  for p in $parts
  do
    [ -d $p ] || mkdir $p || exit 1
    cd $p || exit 1
  done
fi

cp $src $dst || exit 1

exit 0