#!/bin/bash
# 無理矢理OO
gal(){
eval "$1"_name="$2"
eval "$1"_age="$3"
eval "$1"_sex="$4"
eval "$1"_af=0
eval "$1"_hf=0
eval "$1"_love=5
}

aisatsu(){
local af
eval af=\$"$1"_af
if [ $af -eq 0 ]
then
eval echo "私は\"\$"$1"_name\"、\"\$"$1"_age\"歳です。よろしくね。"
eval "$1"_af=1
eval "$1"_love=\`expr \$"$1"_love + 2\`
else
echo "さっきあいさつしたけど。"
eval "$1"_love=\`expr \$"$1"_love - 1\`
fi
}