function realpath_int() {
wdir="$PWD"; [ "$PWD" = "/" ] && wdir=""
- case "$0" in
- /*) scriptdir="${0}";;
- *) scriptdir="$wdir/${0#./}";;
+ arg=$1
+ case "$arg" in
+ /*) scriptdir="${arg}";;
+ *) scriptdir="$wdir/${arg#./}";;
esac
scriptdir="${scriptdir%/*}"
echo "$scriptdir"