一个终端下的在线辞典（bash）

方便在终端下查单词，经过多次的修改，现在已经算比较完善了。其功能：

1，查单词（废话）

2，相关例句

3，建立缓存文件

4，读单词

5，进行模糊匹配

#!/bin/bash
#	This is a dictionary based for Termial.
#	Its cache directory is in ~/.ydictionary/
PS3='Your choice is : '
word="$*"
cache=~/.ydictionary/"$word"
# read this word
read_word()
{
re_word="$1"
mplayer "" >/dev/null 2>&1
if [ $? ]
then
:
else
espeak -s 130 "$re_word" 1>/dev/null 2>&1
fi
exit 0
}
# judge whether read this word.
judge_read()
{
readword="$1"
clew="Read it?(y/n)y:"
echo -ne "\033[35;1m$clew\033[00m"
read answer
: ${answer:=y}
if [ "$answer" = "y" ];then
read_word "$readword"
else
exit 5
fi
}
if [ $# -lt 1 ];then
echo
echo "usag: `basename $0` [word]"
echo
exit 1
fi
if [ -e "$cache" ];then
word2=$(cat "$cache")
echo -e "\033[34;1m$word2\033[0m"
echo
judge_read "$word"
exit 0
elif [ ! -e ${cache%/*} ];then
mkdir -p ${cache%/*}
fi

#	抓取网页快照。
wordf=$(wget -q "" -O -)

#	截取指定字符段。
#	判断是否有单词匹配，如果没有给出相近的。否则就进行查询。
if echo "$wordf"|grep 'sugg' 1>/dev/null 2>&1
then
echo "You may want to search these words."
sword=$(echo "$wordf"|sed -e 's/<[\/]*sugg>//g'|grep '^[^<]'|tr ["\n"] ["\t"])
select guessw in $sword ;do
if [ $guessw ];then
echo -e "\033[36;1m$guessw\033[0m"
ydic $guessw
exit 2
else
read -n 1 -p "Do you want to try again:(y/n)y:" choice
: ${choice:=y}
echo
if [ "$choice" = "y" ] || [ "$choice" = "Y" ];then
echo 'Please input again:'
else
exit 3
fi
fi
done
else
word1=$(echo "$wordf"|sed -e 's/<[\/]*\(def\|sent\|orig\|trans\)>//g' -e 's/<em>\(.*\)<\/em>/( \1 )/g' -e 's/\(>\|<\)/ /g'|grep '^[^<]')
echo "$word1">"$cache"
echo -e "\033[32;1m$word1\033[0m"
echo
judge_read "$word"
judge=$(cat "$cache")
if [ "$judge" == "Not Found" ];then
rm -f "$cache"
fi
#cache如果大于一百兆，提示用户。进行释放。
total=$(du ${cache%/*}|cut -d/ -f 1)
if [ $total -gt 102400 ];then
echo
echo -e "\tThe dictionary cache is beyond 100M.Maybe you can release some space."
fi
fi
exit 0