# I'm a shell script :-) so please make me executable!
# No shebang but I work equally well with Bash, Dash and Zsh
# The script embeds link-grammar, a x86-64 ELF so it requires to be run on a x86-64 linux system
if [ "$*" = "" ] || ([ "$1" != "-e" ] && [ "$1" != "-d" ]) || [ "$2" = "" ]; then
    cat << EOF
Usage:
Encryption:
    echo "I want to encrypt this sentence" | $0 -e 12345
    I need to besiege this carat
Decryption:
    echo "I need to besiege this carat" | $0 -d 12345
    I want to encrypt this sentence
    exit 1
KEY=$2
MODE=$1
TMPWC=/tmp/weirdcrypto
[ -d $TMPWC ] || unzip -qq -d /tmp $0 weirdcrypto/\* || exit 1
if [ "$MODE" = "-e" ]; then
    cat | $TMPWC/encode | $TMPWC/decode $KEY
else
    cat | $TMPWC/encode $KEY | $TMPWC/decode
exit 0