grep命令应用举例 ◆其它 grep n'datafile grep 'ys datafile grep 'r\.'datafile grep [we]'datafile grep -i'ss*'datafile grep -n [a-z]\{9\}'datafile grep -c '\<[a-z].*n\>datafile 9 ‹ 其它 grep '^n' datafile grep 'y$' datafile grep 'r\.' datafile grep '^[we]' datafile grep –i 'ss*' datafile grep –n '[a-z]\{9\}' datafile grep –c '\<[a-z].*n\>' datafile grep 命令应用举例