enco

#!/bin/bash
_where_am_i="$(dirname "$([[ -h "$0" ]]&&readlink $0||which $0)" 2> /dev/null)"
if [[ -z "${_where_am_i}" ]]; then
	_where_am_i="$(dirname $0)"
fi

# to combine to one script, replace code below with enco.src code
_src_file="${_where_am_i}/enco.src"
if [[ -f "${_src_file}" ]]; then
	source "${_src_file}"
else
	echo "   Source file \"${_src_file}\" dose not exist."
	exit 1
fi
# to combine to one script, replace code above with enco.src code


#main begin
echo
if [[ ( $1 == "-t" || $1 == "--to-charset" ) && $2 && $3 ]]; then
	:
else
	_usage_f
fi

case "$(echo $2|tr "[A-Z]" "[a-z]")" in
	"utf8"|"utf-8")
	DST_CHARSET="utf8"
	SRC_CHARSET="gb18030"
	;;
	"gb18030"|"gbk")
	DST_CHARSET="gb18030"
	SRC_CHARSET="utf8"
	;;
	*)
	echo "${MARGIN} Unsupported charset \"$2\", supported charset: UTF-8, GB18030."
	echo
	exit 1
	;;
esac
shift 2
_convert $@
echo