#!binbash帮我定义一个函数每次调用随机选择一个表情字符

function random_emoticon() { emoticons=( '^^' '><' '--+' '(^o^)' '(><)' '(><)>' '(^^)' '(~^)' '(^^)' '(^^)/' '(~~)' '(^o^)/' '(^^)' '(^^)v' '(^^)y' '(^^)b' '(^^)p' '(^^)d' '(^^)q' '(^^)o' '(^^)x' '(^^)z' '(^^)w' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^^)h' '(^^)g' '(^^)f' '(^^)e' '(^^)c' '(^^)a' '(^^)l' '(^^)m' '(^^)s' '(^^)r' '(^^)i' '(^^)u' '(^^)v' '(^^)q' '(^^)y' '(^^)z' '(^^)x' '(^^)t' '(^^)n' '(^^)k' '(^^)j' '(^_^)h' '(^