koi

#!/usr/bin/env bash
# enkoi - encode a text from cp1251 to koi8-r
#	options:	-e	switch to encode mode
#			-d	switch to decode mode 
# licensed under the terms of MIT license
#
version="0.1"

function helpexit ()
{
	printf "Usage: %s [-e|-d] [OPTION]...\n" $(basename $0)
	exit 1
} >&2

if [ "$#" -lt 1 ]
then
	helpexit
fi

tmp="$1"
if [[ $1 = '-e' ]] || [[ $1 = '-d' ]]
then
	shift
fi

for i in "$@"
	do

	case "$tmp" in
	"-d" )	
		echo $i | tr '\n' ' ' | iconv -t koi8-r | iconv -f cp1251
		;;
	"-e" )
		echo $i | tr '\n' ' ' | iconv -t cp1251 | iconv -f koi8-r
		;;
	* )
		helpexit
		;;
	esac

done
echo 

exit 0