[root@nzp03 hadoop-2.7.2]# bin/hadoop jarRunJar jarFile [mainClass] args...[root@nzp03 hadoop-2.7.2]# share/hadoop/ mapreduce/hadoop . mapreduce-examples-2.7.2.jar grep input output'dfs[a-z.]+'share/hadoop/ mapreduce/hadoop - mapreduce-examples-2.7.2.jar: line 1: PK: commandnot foundshare/hadoop/ mapreduce/hadoop- mapreduce-examples-2.7.2.jar: line 2: ]9J: commandnot foundshare/hadoop/ mapreduce/hadoop -map reduce-examples-2.7.2.jar: line 3: syntax errornear unexpected token‘)'share/hadoop/ mapreduce/hadoop - mapreduce-examples-2.7.2.jar: line 3:、 0EDi )v7BU[φc610.9>0;0楼WjJOSRBDx_ Z<Jca&3fup"D^ Z~[)U*D' @B]8opb;KQs?tu4IOP}A0'[root@nzp03 hadoop-2.7.2]#有没有大佬知道这个怎么解决，