#
# .kshenv -- functions and aliases to provide the beginnings of a ksh 
#	     environment for bash.
#
# Chet Ramey
# chet@ins.CWRU.Edu
#
#
# These are definitions for the ksh compiled-in `exported aliases'.  There
# are others, but we already have substitutes for them: "history", "type",
# and "hash".
#
alias r="fc -e -"
alias functions="typeset -f"
alias integer="typeset -i"
alias nohup="nohup "
alias true=":"
alias false="let 0"

#
# An almost-ksh compatible `whence' command.  This is as hairy as it is 
# because of the desire to exactly mimic ksh (whose behavior was determined
# empirically).
# 
# This depends somewhat on knowing the format of the output of the bash
# `builtin type' command.
#

whence()
{
	local vflag
	local path

	vflag=
	path=
	if [ "$#" = "0" ] ; then
		echo "whence: argument expected"
		return 1
	fi
	case "$1" in
		-v) vflag=1
		    shift 1
		    ;;
		-*) echo "whence: bad option: $1"
		    return 1
		    ;;
		 *) ;;
	esac

	if [ "$#" = "0" ] ; then
		echo "whence: bad argument count"
		return 1
	fi

	for cmd
	do
		if [ "$vflag" ]	 ; then
			echo $(builtin type $cmd | sed 1q)
		else
			path=$(builtin type -path $cmd)
			if [ "$path" ] ; then
				echo $path
			else
				case "$cmd" in
					/*) echo ""
					    ;;
					 *) case "$(builtin type -type $cmd)" in
						"") echo ""
						    ;;
						 *) echo "$cmd"
						    ;;
					    esac
					    ;;
				esac
			fi
		fi
	done
	return 0
}

#
# For real ksh homeboy fanatics, redefine the `type' builtin with a ksh
# version.
#
#type()
#{
#	whence -v "$*"
#}