请教如何在CSH里面读取文件的一行？

jery

在用CSH 写的一个SCRIPT中，用sed -n "$num p" file 来读取FILE的第$num line.but I can not get the correct result if this line I will read incluing some special characters ,such as {,/*,*/ and so on. So what is the matter?Can anyone here give me a answer?
   Thanks.