# whence -v "$*"
#}
+#
+# ksh-like `cd': cd [-LP] [dir [change]]
+#
cd()
{
+ OPTIND=1
+ while getopts "LP" opt
+ do
+ case $opt in
+ L|P) CDOPTS="$CDOPTS -$opt" ;;
+ *) echo "$FUNCNAME: usage: $FUNCNAME [-LP] [dir] [change]" >&2
+ return 2;;
+ esac
+ done
+
+ shift $(( $OPTIND - 1 ))
+
case $# in
- 0) builtin cd "$HOME" ;;
- 1) builtin cd "$@" ;;
- 2) old="$1"
- new="$2"
- # dir=$(echo "$PWD" | sed "s:$old:$new:g")
- dir=${PWD//$old/$new}
- case "$dir" in
- "$PWD") case "$PWD" in
- *$old*) ;;
- *) echo "$FUNCNAME: bad substitution" >&2 ; return 1 ;;
- esac ;;
- *) echo "$dir"
- builtin cd "$dir"
- ;;
+ 0) builtin cd $CDOPTS "$HOME" ;;
+ 1) builtin cd $CDOPTS "$@" ;;
+ 2) old="$1" new="$2"
+ case "$PWD" in
+ *$old*) ;;
+ *) echo "${0##*/}: $FUNCNAME: bad substitution" >&2 ; return 1 ;;
esac
+
+ dir=${PWD//$old/$new}
+
+ builtin cd $CDOPTS "$dir" && echo "$PWD"
+
;;
- *) echo "$FUNCNAME: usage: $FUNCNAME [-LP] [dir] [change]" >&2
- return 1 ;;
+ *) echo "${0##*/}: $FUNCNAME: usage: $FUNCNAME [-LP] [dir] [change]" >&2
+ return 2 ;;
esac
}