删除当前目录下所有的*.txt文件，但除了test.txt文件
rm `ls *.txt | grep -v test.txt`
或者
rm `ls *.txt | egrep -v test.txt`
排除多个文件
rm `ls *.txt | egrep -v '(test.txt|fff.txt|ppp.txt)'
查找文件
grep -rn "某个字段" .
删除当前目录下所有的*.txt文件，但除了test.txt文件
rm `ls *.txt | grep -v test.txt`
或者
rm `ls *.txt | egrep -v test.txt`
排除多个文件
rm `ls *.txt | egrep -v '(test.txt|fff.txt|ppp.txt)'
查找文件
grep -rn "某个字段" .