脚本代码：
#!/bin/bash
#directory.sh
#check the word spelling errors in the given text
E_BADARGS=65
[ $# -lt 2 ]&&echo "Usage:./directory filename1 filename2."&&exit \
$E_BADARGS
echo "###################Mcknight##############################"
path="/usr/share/dict/linux.words"
#modify the text file to suit the search
cat $1|tr A-Z a-z|sed 's/[,!?.]/ /g'|sed 's/ */ /g' >$2
for word in $(cat $2);do
if [ "$word" == "i" ];then
continue
fi #donnot want "i" to bother!
grep -q "\<$word\>" $path
if [ "$?" -eq 0 ];then
continue
else
echo -e "\033[0;31m$word \033[1;37mspells wrongly!"
fi
done
echo "###################Check done!###########################" |